L-25-150, Discharge Monitoring Report (NPDES) - Permit No. PA0025615

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Discharge Monitoring Report (NPDES) - Permit No. PA0025615
ML25238A071
Person / Time
Site: Beaver Valley
Issue date: 07/25/2025
From: Kristophel R
Vistra Operations Company
To:
Office of Nuclear Reactor Regulation, State of PA, Dept of Environmental Protection
References
L-25-150, PA0025615
Download: ML25238A071 (1)
v • d • e


Text

{{#Wiki_filter:July 25, 2025 L-25-150 eDMR for Electronic Submission Department of Environmental Protection Bureau of Clean Water 400 Waterfront Drive Pittsburgh, PA 15222

SUBJECT:

Beaver Valley Nuclear Power Plant 200 State Rt. 3016, P.O. Box 4 Shippingport, PA 15077 Beaver Valley Nuclear Power Plant Discharge Monitoring Report (NPDES) Permit No. PA0025615 Enclosed are the June 2025 NPDES Discharge Monitoring Report (DMR), Chemical Additives Usage Forms, Daily Effluent Monitoring Forms Cooling Water Intake Monitoring Forms, 1st Half (H1) 2025 Stormwater DMR, H1 2025 Stormwater Daily Effluent Forms, 2nd Quarter (Q2) 2025 DMR and Q2 2025 Daily Effluent Forms. Also attached is the Q2 Macrofouling Invertebrate Chemical Control (Clamicide) Dosing Report. A review of the data indicates that no Part A NPDES effluent limits were exceeded during the monitoring period. Should you have any questions regarding the enclosed documents, please direct them to Darren Bollman, at 724-682-7359. Sincerely, Robert J. Kristophel (Jul 28, 2025 14:4 :09 EDT) Robert Kristophel General Plant Manager

Beaver Valley Nuclear Power Plant, Unit Nos. 1 and 2 L-25-150 Page 2 Enclosure( s ): A. June 2025 DMR B. Chemical Additives Usage Forms C. Daily Effluent Monitoring Forms D. Cooling Water Intake Monitoring Forms E. H1 Stormwater DMR F. H1 Stormwater Daily Effluent Forms G. Q2 DMR H. Q2 Daily Effluent Forms Attachment( s ): : Q2 2025 Clamicide Dosing Report cc: Document Control Desk US NRC (NOTE: No new US NRG commitments are contained in this letter.)

L-25-150 ENCLOSURE A

3800-FM-BCW046212/2016 8 pennsylvania ,~ DEPARTMENT OF El<VIRONMENTAL a:t!!/1 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 118 E MARKET BT, AKRON OH, ~14 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 118, SHIPPINGPORT PA, 150n STAGE: _Fl_na_l_E_ffl_ue_nt ______________ _ PARAMETERS REPORTED VALUES PARAMETER T__,.(d<CIF)(00011) PllrmltRequlr9menl pH(00400) P9fmlt Requftment -N-(00110) Parmlt Requlremant PhlnaOc:a, Taal (32130) Permit Requlnlment Chtonlkwn. T_. (01034) Sample~nt Permit Requlrwment C-,,T.... I01042) Sample Menu,.rmnt PllrmltReqfflrMnt Iran, Tctal (01045) Permit Requirement Z1nc.TdalfD10l2) ~ Requlniment Alumr'M.lm, TOIII (01105) PennlflMlulNIMfrt FIDW(IIOOOO) Permit RequlNIMfrt ,.... _Chlcmo(TRC)(SOIIOO) PermN Requlrament Nlk>>H150M(S1M) Samp61:Meawennt Permit Requlrwment f,-A_...~ (SODIC) Perml ReQulNmsnt ........... '""'(11100) ~ Requlrament "Yd..-eom*i S.,,.,...... "'9rMnt Parmll Requnment ,..,u... Point C-nta COMMONWEAL TH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA0025615 I OOTF:~MBER I PERMIT NUMBER MONITORING PERJ<Xl YEAR MO DAY YEAR MO DAY FROM 2025 oe 01 TO 21125 OS 30 Reporting Fn,quency: OMREl!edlveFrom: DMRE!lec::llveTo: PermilExplres: Pem<<Applicatlon Due: No Diocharge: QUANTITY OR LOADING QUANTTTY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS IO.S no Doi~- I.U. 1.0 1.0 Inst Min IMAX GG GG A,VMD Doi~- .014 .018 Monitor ' Report Monltot&RtlP()l't A,VMD DllllyMa GG GG 2 2 A,vMD DellyMex .0011 .0012 Monllcw'&Rapott -*- ...... ~- 2A 2.7 Monllof&lupcwt Monltof&Report O.llyMu GG GG ,.o , 0 Doi~- u Monitor & Report -*- ...... ~- MGll MonllDr& Raport Mentor & Report A,VMo 0.llyM&x <.00 125 IMAX <,03' <.03' 03' 03' lloffy- <.02 .OS 2 0.ltyMIJt <2 <2 2 2 Doi~- GG GG 001 001 ...... ~- Privacy Polley I Security Polley Copyright C2016 Common-lth of Pennylvnl. All Rights Reserved Monthly 08/0112025 CNS/30/2025 10/31/2028 05/04/2026 D SAMPLING FREQUENCY SAMPLING TYPE Q,ab G,ab G,ab Q,ab G,ab 24-HI Ccmpoaila G,ab G,ab G,ab Q,ab G,ab G,ab Conllnuouo Ccntinuou, a... G,ab

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3800-FM-BCW0462 12/2016 8 pennsylvania J,11/!'J DEPARTMENT OF EIWIRONMENTAl 'a1!5 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1A E MARKET ST, AKRON OH, "308-2014 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1A, SHIPPINGPORT PA, 15077 STAGE: Final Effluent PARAMETERS REPORTED VALUES PARAMETER Flow IIOOOOI f,cf11y laMpnng J'olnt C-flllll COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA0025815 I OOTF~"2NUMBER I PERMIT NUMBER MONITORING PERIOO YEAR MO DAY YEAR MO DAY FROM 202!5 08 01 TO 2025 08 30 Reporting Frequency: DMR Ell9cllw From: DMR Elfedlw To: Permit Expires: Permit Application Due: No Diacharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS .048 MG0 A,gMo Ooly - Privacy Polley I Security Polley Copyright ~016 Common-alth of Pennsylvania. All Rights Reserved -ly OMl1/2025 CNll30/2025 10/31/2028 05/IM/2028 D SAMPLING FREQUENCY SAMPLING TYPE

L 3800-FM-BCW046212/2016 pennsylvania J~ OEPARTMI: T OF ENVIROI\\MENTAL atS PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 118 E MARKET ST, AKRON OH, 44308-Z014 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 118, SHIPPINGPORT PA, 150TT STAGE: Flnal Effluent PARAMETERS REPORTED VALUES PARAMETER - - (00110) PermtReqUftmenl AlurMwffl, Tolll (01105) PeffflllReQulrllmenl Flow(tl0000) ~ Requirement Nela:, H150M (&1108) Permit Requirement Mara,ry, Tata! (71100) s.,.a MNsurwnent Pannll RllquiNmenl 1¥1-,....., Pannll RequiNmant ,....,......,........ c-.. COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA00251115 I OOTF~:MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 06 01 TO 2025 oe 30 Reporting Frequency: OMR Etledfw From: OMR Etledfw To: Penni! Expires: Penni! Application Due: No lllscharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 00 GG DoJJy-Moniot& Report A,gMo Dolly- .M7 MOO Monlto,&Report A,gMo DoJJy-A,gMo O.lly Mu <.2 <.2 .2 .2 0.lly Max GG GG .007 .007 A,gMo llollyMox Privacy Polley I Security Polley Copyright C2016 Common-lth of Pennsylvania. All Rights Renrved llonlhly INl/01/2025 08/30/2025 10/3112026 05/04/2026 D SAMPLING FREQUENCY SAMPLING TYPE o.., 24-Hreomp.tte o.., o.., 0.., o.., o..,

3800-FM-BCW046212/2016 pennsylvania ,~ DEPARTMENT Of ENVIRO MEl'ITAL aB PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 118 E MARKET IT, AKRON OH, 443Cll-2014 FACILITY: FIRITENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 118, SHIPPINGPORT PA, 15077 STAGE: Final Effluent PARAMETERS REPORTED VALUES PARAMETER T--(""9F) (00011) pH(00400) Permit R11qunment Chromium, Teal (01034) Semple Meauremenl Permit ReQuntMnt "'-* ' ""'1"10<2) PermlReqUft,-nt Zinc. ' ""' 1"1012) Pelffll:Raqulrenwnl ~ TOllll(01105) a.n,p61:-.....U..ment ' "" (IIOOIO) Talal- ~ (TRC) - ) PermltRt,Qulrlment FIN AvahatMe Chlorlne (50084) SampleMeaUNtMnt PermltRequftrr.nt ,..,...... 1,.,01n1c-.... COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PAG025115 100TF:~ 1 PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 OIi 01 TO 21125 OI 30 Repo,tlng Frequency: DMR EllecliYe From: DMR EllecliYe To: Permit Expires: Permit Appllcallon Due: No lllocharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITI VALUE VALUE VALUE UNITS 11.2 110 Doly-7.1 a.u. 10 ,o IMAX GG GG no\\. .2 .2 llolly- .00111 . 0001 - Dolly - GG GG - 1.0 I 0 llolly-no\\. Monll:w"&~potl Dolly- .IS MOO Dolly-

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,!111!!:J DEPARTME T OF ENVIRO MENTAL SZ9 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1A E MARKET ST, AKRON OH, 443Cll./l014 FACILITY: FIRBTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1A, SHIPPINGPORT PA, 15077 STAGE: Flnal Effluent PARAMETERS REPORTED VALUES PARAMETER F'°"' (IOOOO) Penni ReqUftnwit COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA0025115 I OOTF~MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 oe 01 TO 2025 oe 30 Reporting Frequency: DMR Ellecth,e From: DMR Ellecth,e To: Permit Explru: Permit Application Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS ~ti ~ti MG0 Dolly-Privacy Polley I Security Polley Copyright C2016 Common-alth of Pannsylvanla. All Rights Reserved Monthly Gl/01/2025 Ol/30/2025 10/31/2026 05/ll4/2026 D SAMPLING FREQUENCY SAMPLING TYPE

3800-FM-BCW046212/2016 8 pennsylvania J~ DEPARTMENT OF ENVlRO MENTAL a:t!!!I PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 188 E MARKET IT, AKRON OH, 44308-2014 FACILITY: FIRITENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 188, SHIPPINGPORT PA, 15077 STAGE: _Fl_na_l_E_ffl_ue_nt _______________ _ PARAMETERS REPORTED VALUES PARAMETER

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3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTMENT OF Et<VIROr,,MENTAL s:t/!5 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 188 E MARKET ST, AKRON OH, 44308-2014 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 188, SHIPPINGPORT PA, 15077 STAGE: Flnal Effluent PARAMETERS REPORTED VALUES PARAMETER T- (deg F)(00011) Sample UNIUNfMnt Permlt ReqUftment pH (00400) Sample MNaurwn.nC Permit Requlrllment Flow(l500IO) SampleMNsLll'9fflent Plttmlt R41qu1Nment Totlll RMldual Chlorine (TRC) (500e0) ~ ReQunment Nalco IH l50M (519911) SarnpleMMl.,,.,.,.nt Petmit Rllqullllmenl f,_ A~lllbla Chloml (50064) s.mpieMNIUNmant Mffl:ury, Tolal (71100) Sample MNsuremant Plirmlt Requlr9mant Fadlly...... Ing h int CofflfM* COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PAII025815 I I CKJTF;:MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 OI 01 TO 2025 OI 30 Reporting Frequency: DMR Ellec:tiwl From: DMR Ellectlve To: Penni! Expires: Penni! Application Due: No Dilcharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNIT'S VALUE VALUE VALUE UNITS 'I' 110 Doily - s.u. lnat. Mln IMAX IIGO Monltor &Raport Doily - mglL .20 Dally-GG GG mglL .034 .034 O.lly MP .OT mglL .2 DallyMu <.2 <.2 ug/1. Monltor &Rapo,t Monltor &.Repo,t Dally Max Privacy Polley I Security Polley CopyrlghtC2016 Common-alth of Pennsylvania. All Rights Reserved Monthly OIW1/2025 08/30/2025 10/31/2026 05/IM/2026 SAMPLING FREQUENCY SAMPLING TYPE 1-8 1-8 Grab Grab Grab Grab 24*Hr Compoelte Grab Grab 2/month Grab 2/month Grab

3800-FM-BCW046212/2016 pennsylvania ,~ DEPARTMEITT OF ENVIRD MENTAL ICl!!!I PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 118 E MARKET ST, AKRON OH, ~014 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 118, SHIPPINGPORT PA, 1ll077 STAGE: _Fl_na_l_E_ffl_ue _ nt _ PARAMETERS REPORTED VALUES PARAMETER Flow (00000) Pwmlt Requnmn Mera,,y, Tata! (11 aJO) S.q)lrlMea..,,.,.nt ~ ReqUftmenl fedlly a.mpHng Point C........ COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA0025815 011 PERMIT NUMBER OUTFALL NUMBER MONITORING PERIOO YEAR MO DAY YEAR MO DAY FROM 2025 OIi 01 TO 2025 OIi 30 Repcm,g Frequency. DMREflal::llw From: DMR Ellecllve To: Permit Expires: Permit Appllcallon Due: No Dllcharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS MGO A,gMo o.oy- <.2

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3800-FM-BCW0462 12/2016 pennsylvania J~ DEPARTMENT OF ENVJRO MENTAL atl!5 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 118 E MARKET ST, AKRON OH, ~14 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 118, SHIPPINGPORT PA, 15017 STAGE: '--Fl"-'na"'l-"E"'ffl-"ue=nt'------- --- PARAMETERS REPORTED VALUES PARAMETER pH (00400) Permit fwqunn.nt Cadfflhlm, l Olal (01027) Copper, Teal f01042) P9rmltfl<<flJWllment Zlnc. Tcllllltf01082) ~ReQuhment Flow (5DDODI Semple Meau,eme,c Permtt R~ffl!Nf'lt ftdllly... "'.-.int ConwMnta COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DIIR) PA0025615 IOOTF::- I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 OIi 01 TO 2025 OIi 30 Reporting Frequency: DMR EffectNe Fran: DMR EffectNe To: Permit Expires: Permit Appllcatlon Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 7.5 1.2 8.U. <.111)1 <.CIJ1 Delly- .101 .12 MonlDr & Raport Dolly-A,gMo O.llyllax .001 .111)1 MGO Monlor &Rapo,t A"IIUo llellyMu Privacy Polley I Security Polley Copyright C2016 Common-atth of Pennsylvania. All Rights Reaarved Monthly 0&/0112025 01130/2025 10/31/2026 05.l04/2026 D SAMPLING FREQUENCY SAMPLING TYPE Grob Grob Grob Grob Grob Grob Grob Grob 2/monlh

3800-FM-BCW046212/2016 pennsylvania DEPARTME T Of ENVJRO MENTAL PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 188 E MARKET ST, AKRON OH, "430l-2014 FACILITY: FlRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 188, BHIPPINGPORT PA, 150TT STAGE: Final Effluent PARAMETERS REPORTED VALUES PARAMETER pH (00400) Coppo,, Tolal(01°'2) P9rffll Raqllftmenl Perml ReqUftnwnt Fecmtya.,..n,....wc-. COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PAII025e15 I CXJTF:

MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 Oil 01 TO 2025 Oil 30 Repcrting Frequency:

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3800-FM-BCW0462 12/2016 8 pennsylvania J~ DEPARTMENT OF ENVIRO MENTAL .,;a PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1U E MARKET IT, AKRON OH,~* FACILITY: FlRITENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1U, SHIPPINGPORT PA, 15077 STAGE: lnt.mel Monitoring Point PARAMETERS REPORTED VALUES PARAMETER pH(OCM()O) TOIII 8-Salido CIIIJ030) 011 lltld Gf'NN ((10551) - - 1001110) Parmll Requirement Fmw(II00IIO) Pamlll: Requlremant ""'..-cam*J Pel'TIIII Requnment fadllJ...... "I,..,,. eo..n.ne. COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA0025115 IOUTF~:MBER I PERMIT NUMBER MONITORING PERIOO YEAR MO DAY YEAR MO DAY FROM 2025 06 01 TO 2025 oa 30 Repartqj Frequency: OMR Elledlve From: DMR Elledlve To: Permit Expires: Permit Application Due: No Dilcharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS I.I 1.5 a.u. 1.0 1.0 MAX C4.Q <4.0 30.0 100.0 A,gMo llllr- <4.11 <4.11 15.0 20.0 A,gMo llllr-GO GG A,gMo 011r- .0'1 MGD A,gMo Dolly-GO GO Monitor I Report -*- A,gMo Doily-Privacy Polley I Sacurlty Polley CopyrlghtC2016 Common-alth of Pennsylvania. All Rights Reaerved Monthly OMl1/2025 0l/30/2025 10/31/2026 05/IM/2028 D SAMPLING FREQUENCY SAMPLING TYPE 1-Onab 1-* Orab 1-* Orab 1-* Orab 1-* Orab 1-* Orab 1-* Orab 1-* 1-* 1-* Orab

3800-FM-BCW0462 12/2016 pennsylvania J~ DEPARTME~ OF EIWIROfliMENTAL 'at!!!f PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1118 E MARKET ST, AKRON OH, 44308-2014 FACILITY: FlRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1118, SHIPPINGPORT PA, 150TT STAGE: Internal Monitoring Point PARAMETERS REPORTED VALUES PARAMETER pH (IXWOO) Penni Requftmenl TOIIII l uepended Solldl (D)530) Permit Requirement 00... _ (00650) Sample Menuremant Petmlt ReqUftrnenl: Semple MNaunwnent Permit RequlNment ,....,......... JJolMC...nlil COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA00251115 I~~:MBER I PERMIT NUMBER MONITORING PERIOO YEAR MO DAY YEAR MO DAY FROM 2025 CHS 01 TO 2025 06 JO Reportk,g Frequency: DMR EtrectM, From: DMR Etledfw To: Permit Expires: Permit Application Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 1A 8.U. 8.0 1.0 IMAX 14.1 11.D 30.0 ,ooo A'IIMo O.lly MP c,4.1 ,. o 200 A'IIMo Dolly - .001 .oo, Monitor &Report -*- A'IIMo DllllyMIIX Privacy Polley I Security Polley CopyrlghtC2016 Common-lth of Pennsylvanla. All Rights Reserved llonlhly CNl/01/2025 CMll30/2025 10i31/2026 05/04/2026 SAMPLING FREQUENCY SAMPLING TYPE o... 2/monO, G'"b o... G'"b o... G'"b 2/month

3800-FM-BCW0462 12/2016 8 pennsylvania ,~ DEPARTMENT OF El<VIRO MENTAL atl!!I PROTECTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1A E MARKET IT, AKRON OH, -14 FACILITY: FIRITENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1A, SHIPPINGPORT PA, 15077 STAGE: Internal Monitoring Point PARAMETERS REPORTED VALUES PARAMETER pH (OIMOO) T*I-- Oallclo (0003D) Permll Raqulniment Dllond-(00"""1 SampwMeuut9rMnl Permit RIIQuftf'IWII FlaW(S)OIO) Permit Raquftment Fadlly......... Point eon..* COMMONWEALTH OF PENNSYLVANIA DEPARTMENTOFENVIRONMENTALPROTEC110N BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PAG0251115 I OOTF~:MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 06 01 TO 2025 DI 30 Reporting Fn,quenc:y: DMR Ellediwl From: DMR Ellecllw To: Permit Expires: Permit Application Due: No Dillcharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 1.2 1.1 a.u. 1.0 MAX 22.1 32.2 30.0 100.0 Dolly- <4.1 <4.lil

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3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTMENT OF ENVIRO MENTAL a::t/5 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 118 E MARKET ST, AKRON OH, ~14 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 118, SHIPPINGPORT PA, 15077 STAGE: lntamal Monltortng Point PARAMETERS REPORTED VALUES PARAMETER .,,..,1eoooo1 P9nTllt Requn ment T.... - ~... Ch-(TRC) (50000) Pel'fflltRequlNmant Fadlly...... llng Point Commanta COMMONWEAL TH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT {DMR) P.A0025115 I OOTF~:MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 06 01 TO 2025 06 30 Reporting Frequency: DMR El!ectiwl From: DMR El!ectiwl To: Permit Expires: Permit Application Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS MG0 ."II... Delly MP Monllot & Report ."II... O.lly Max Privacy Polley I Security Polley Copyright C2016 Common-alth of Pennsylvania. All Rights Reserved Monthly 06/01/2025 06/30/2025 10/31/2026 05/04/2028 0 SAMPLING FREQUENCY SAMPLING TYPE WNkly when Dllchar;Jng WNldy when Olacharglng Grob

3800-FM-BCW0-16212/2016 pennsylvania ,~ DEPARTMENT Of ENVIRO MENTAL Sl!/I PAOTECTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1A E IIARKET ST, AKRON OH, ~14 FACILITY: FlRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1A, SHIPPINGPORT PA, 15077 STAGE: Int.ma! Monitoring Point PARAMETERS REPORTED VALUES PARAMETER pH (00400) P9rml ReqUftment ,..... 1 Petmll RequlrliFMfll Oll ondOlwN(DDOMJ Parml ReQunrnenc Flow(l!l0090) PeffNl RequlNmlnl Flldlly..,npll"I Point c-nta COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE M0Nrr0RING REPORT (DMR) PA0025115 I OUTF~ 1 ~MBER I PERMIT HIMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 QI 01 TO 2025 QI 30 Reporting Frequency: DMR Etlectlve Fran: DMR Etlectlve To: Permit Expires: Permit Applcatlon Due: No Dild1arge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS u I.U. IMAX <1.7 17.5 nv,'L 30.D 100.0 A.. Mo O.llyMsx co.a nv,'L 20.D A.. Mo Dolly Mu .002 .002 MGD Monttor & Report -*- A.. Mo Dolly - Privacy Polley I Security Polley Copyright C2016 Common-lth of Pennsylvnl. All Rights Reserved Monthly CNl/01/2025 Dl/30/2025 1°'31/2028 05lll4/2028 D SAMPLING FREQUENCY SAMPLING TYPE Glob Grab Glob Grab a... Glob

3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTMENT OF ENVlROt,MENTAl IIZ5 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 188 E MARKET ST, AKRON OH, ~14 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 118, SHIPPINGPORT PA, 1son STAGE: lnlllmal Monitoring Point PARAMETERS REPORTED VALUES PARAMETER pH (00400) SampleMNtur.rnent Perml Requlr9ment Talal 8utpetmel 8olldl (00530) a.rnria-MenumMnt P9nnltRequlrament °'1 ndGr'NN(CD6511) s.mpe MNaur.nent P9fflllt Requkwment Flow(500!50) 811,nple MeuumMnl Punll Requlrwment FNMy.......,. Point C-nta COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA00251115 I OUTF:~UMBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 OIi 01 TO 2025 OIi 30 Reporting Frequency: DMRE1ledMIFrom: DMR Etrectlve To: Permit Expires: Permit Application Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS s.u. Inst Min IMAX <4.0 <4.0 30.0 100.0 A,gllo Dolly- <4.8 <5.0 15.D 20.0 A,gMo Doi~- .002 .002 MGO Monitor & Report -&- A,gMo Dolly-Privacy Polley I Security Polley Copyright C2016 Common-alth of Pennsylvanla. All Rights Reserved Monthly 06/01/2025 06/30/2025 10/31/2026 05/IM/2026 D SAMPLING FREQUENCY SAMPLING TYPE Goab G,.b Goab G,.b Goab o.. o E-

3800-FM-BCW046212/2016 8 pennsylvania ,"""1rJ DEPARTMErfl Of 1:NVJRO MENTAL 'at/1!!!1 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 111 E MARKET ST, AKRON OH, ~1* FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 111, SHIPPINGPORT PA, 15077 STAGE: lntamal Monitoring Point PARAMETERS REPORTED VALUES PARAMETER T -(00530) on and c,... (OO!M) P.nnlt Requlrament Flow(IIOOOO) P9rmlt Requnrnent FedllJa.,npllng Point~ COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE IIONITORING REPORT (DMR) PAllll2Sl15 I OUTF::UMBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 OIi 01 TO 2025 OIi 30 Reporting Fn,qus,cy: DMR Effectlw Frcrn: DMR Elleclive To: Permit Expires: Permit Application Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 30.0 100.0 A,gMo Doily-tS.O 20.0 A,gMo Dolly-MG0 A,gMo Dllly Mu Privacy Polley I Security Policy Copyright Cl2016 Common-elth of Pennsylvania. All Rights Reserved Monthly 0&/01/2025 Ol/30l2025 10/31/2028 05/IM/2028 B SAMPLING FREQUENCY SAMPLING TYPE Grab Grob

3800-FM-BCW0-462 12/2016 8 pennsylvania ,~ DEPARTMENT OF ENVJRO MENTAL SZ5 PROTECTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 118 E MARKET BT, AKRON OH, 44308-2014 FACILITY: ARBTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 118, SHIPPINGPORT PA, 150TT STAGE: lntemal Monitoring Point PARAMETERS REPORTED VALUES PARAMETER pH(00400) T...,._ -(00530) P9fmlt Requn,_,, 01,... __ a.mpla,._urermnl PefriReqUftlrnent Pe~ Raqunment ,....,................ ~ COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA0025115 I OOTFALL:MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 OIi 01 TO 2025 OIi 30 Reporting Frequency: DMR Elled!wl From: DMR Elled!wl To: PermllE,cplres: Permit Appllcetlon Due: No Oiocharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITll VALUE VALUE VALUE UNITS 8.U 10 1.0 MAX 300 100.0 A,g... Dolly- ,. 0 200 A,g... Dolly-MOO Manlor & Report -*- A'II... Dolly - Privacy Polley I Security Polley Copyright C2016 Common-lth of Pennsylvanla. All Rights Reserved Monthly CNl/01/2025 08/30l2025 10/31/20211 05/04/2028 0 SAMPLING FREQUENCY SAMPLING TYPE G... a..

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  • 3800-FM-BCW0462 12/2016 pennsylvania

,~ DEPARTMElfT OF ENVIRD MENTAL Sil!!!I PROTECTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1a8 E MARKET ST, AKRON OH, ~14 FACILITY: FIRSTENERGY BEAVER VAU£Y POWER STATION 1 LOCATION: PA ROUTE 1a8, SHIPPINGPORT PA. 15077 STAGE: Internal Monltorln; Point PARAMETERS REPORTED VALUES PARAMETER pH (OIWOO) TOIII S uspendtd Solldl (00530) ~R11qulre,,..... P9rm1t Raquhment Flow(MOeD) Permit R11quir9ffl9nt Fadlly.. 111pHng rolftl CoMMenlil COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTlON BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA00251515 I OOTF~ 1

MBER I PERMIT NUMBER MONITORING PERlOO YEAR MO DAY YEAR MO DAY FROM 2025 CNS 01 TO 2025 CNS 30 Reporting Frequency:

DMRE!lediwtFrom: DMR Etrec:a,,e To: PermilExpires: Permil Appicatlon Due: No Dilcharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 7.1 8.U. IMAX 20.8 30.0 100,0 Ooily-c c.I 20 Doily- .002 .002 O.llyMu Privacy Policy I Security Policy Copyrlght@2016 Common-alth of Pennsylvania. All Rights Raserved Monthly CNl/01/2025 06/30/2025 10/31/2028 05/IM/2028 SAMPLING FREQUENCY SAMPLING TYPE G'"b G,_. G... o... G'"b o...

3800-FM-SCW046212/2016 pennsylvania ,~ DEPARTMENT OF ENVIRO MENTAL SB PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1118 E MARKET ST, AKRON OH, 44308-Z014 FACILITY: FlRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1118, SHIPPINGPORT PA, 15077 STAGE: Internal Monltortng Point PARAMETERS REPORTED VALUES PARAMETER pH 100400) ~rml~uiN!Mnt T olal Sutpenct.d Sotkll (C0530) S.mple.....,,.,.,_.nt Permlt~ulrernent S.mpilMeul.M9rMnt ~rmltRequlrwment Flow (50050) Permit Raqukwmenl Fec:Ulty...... Ing,Olnt ConWlle.. COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA0025615 I OOTF:~MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 06 01 TO 2025 06 30 Reporting Frequency: DMR E1redtYe From: DMR Elfedfye To: Permit Expires: Permit Application Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 8.U. 0.0 4.0 4.0 30.0 100.0 ..,.Mo °"I'- <C * ** <4.I 15.0 20.0 ..,.Mo °"I'- .001 .001 MG0 Monitor & Raport -*- ..,.Mo De!lyMu Privacy Polley I Security Polley Copyright ~016 Common-lth of Pennsylvanla. All Rights Reserved Monthly 06/01/2025 CNl/3Q/2025 10/31/2026 05/IM/2026 D SAMPLING FREQUENCY SAMPLING TYPE G... a.. o a.. o 2/montt, G,.b o.. o G,.b 1-1_,

3800-FM-BCW0462 12/2016 8 pennsylvania ,~ OEPARTME~ OF ENVIRO MENTJ.I. a:t!!!I PROTECTJO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 111 E MARKET IT, AKRON OH, ~14 FACILllY: FIRITENERGY BEAVER VAU.EY POWER STATION 1 LOCATION: PA ROUTE 111, SHIPPINGPORT PA, 15077 STAGE: lnlamal Monitoring Point PARAMETERS REPORTED VALUES PARAMETER pH 100000) TOIIII Suependrld So8dl (00530) ParmltReqUftmettt Oll and-(OOIII) Permit ReqUftment ,.,....,. c;c.,p)l10) P9rmltReqUftment ..._..,_ Teal I01DSC) Perml "-!Uftment Zlnc.T-(1111112) P9fmltfwqulr9ment P9rml Requnment T-- CIIICmo CTRCJ-) P9fm11Requlf9rmnt NalooM150M(&11N) s.mpleMNl..,,.,.,,.nt PermlReqUftmsnl -111111) Permit Rtqulre,..nt COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DIIR) PAOOW15 IOOTF~~- I PERMIT NUMBER MONITORING PERlOO YEAR MO DAY YEAR MO DAY FROM 2025 08 01 TO 2025

  • 30 Reparts,g Frequency:

DMR EtledtYe From: DMR Ellec:tlve To: Permit Expires: Permit Application Due: No Dlacharge: QUANTllY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS I.U. 1.0 o.o IW( 300 1000 Dolly-15.0 200 Dolly-Dolly-2 2 A,gllo Dolly-1.0 1.0 DollyMa MOO Monltor&Repo,t A,gMo Dolly-120 A,gMo IMAX DSC .DSC A,gMo Dolly- .007 007 O.ilyMD: Privacy Polley I Security Polley CopyrlghtC2016 Common-lth of Pennsylvnl. All Rights ReHrved Monthly Gl/01/2025 08/30/2025 10/31/2028 05/IM/2026 0 SAMPLING FREQUENCY SAMPLING TYPE W.ldywhenDIM:harglng G... --o-..1no GNb W.ldywtlef'IDwc:herglng GNb G'8b GNb GNb GNb GNb w.tlywtwnDilc:herg1ng GNb

3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTMEITT OF ENVIRO MENT"1. SB PROTI;CTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1A E IIIARKET IT, AKRON OH, -14 FACILITY: FlRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1A, SHIPPINGPORT PA, 15077 STAGE: lntamal Monitoring Point PARAMETERS REPORTED VALUES PARAMETER pH (00400) T_, __ (00530) 01,.... - (00151) Permit Rt,Quftment -N-100110) ~ ReqUftment H,c,rutnl (ltStS) Permit Raqunmenl

  • --...... ~

COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PAOCml15 I I OUTF~~NUMBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 " 01 TO 2025 " 30 Reports,g Freci-,cy. DMR Eflec::INe From: DMR Eflec::INe To: Permit Expires: Permit Application Due: No Dilcharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VAWE VAWE UNITS 8.U 1.0 10 300 1000 A,OMo Dolly-150 200 A,OMo Dolly-A,oMo Dolly-MOO Monmt ' Repo,t -*- A,oMo Dolly-Monllor&R.,i A,oMo Dolly-Privacy Polley I Security Polley Copyright C2016 Common-lth of Pennsylvanla. All Rights Reserved llonthly OMl1/2025 Ol/30/2025 10/31/2028 05/04/2028 0 SAMPLING FREQUENCY SAMPLING TYPE 1-* Grob Grob Grob Grob Grob

3800-FM-BCW0462 12/2016 COMMONWEAL TH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION pennsylvania BUREAU OF CLEAN WATER OEPARTME'fi"OFEP<VIRO MENTAi. DISCHARGE MONITORING REPORT (DMR) PROTECTIO NAME: ENERGY HARBOR NUCLEAR CORP PA0025115 I OOTFAllfflNUMBER I Reporting Frequency: lllonlhly ADDRESS: 1A E MARKET ST, AKRON OH, '430l-2014 PERMIT NUMBER DMREllectiwJFrom: OIII01/2025 FACILITY: ARSTENERGY BEAVER VALLEY POWER STATION 1 OMREllectiwJTo: 0l/30/2025 LOCATION: PA ROUTE 188, SHIPPINGPORT PA, 15077 MONITORING PERIOD Permit Expns: 10/31/2029 STAGE: lntamal Monitoring Point Permit Applialtion Due: 0S/IM/2029 I DAY IYEAR MO I DAY YEAR MO No Dilctlalge: I 12025 OS I 30 0 FROM 2025 OS 01 TO PARAMETERS REPORTED VALUES QUANTITY OR LOADING QUANTITY OR CONCENTRATION PARAMETER SAMPLING FREQUENCY SAMPLING TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH 100400) IU 1.0 1.0 1-* G,.. IMAX P9mt ReQunmenc

,00 100.0 1-*

Grab A,gMo Dolly - Oil.... - (ODON) 100 20.0 1-* Grab A,g Mo Dolly - --(00010) P9nnllReqUftment Monlor ' Report 1-Grab A,gMo Dolly - """'(IIODOO) MGD 1-A,g Mo Dolly - ..,._(11313) Perri Requnment Monllcw" &Rt:port Monleor &Rapo,t 1-Grab A,gMo Dolly-fac:Aly a.,..u,. fitolftt CeMMMla Privacy Polley I Security Polley Copyright C2016 Common-lth of Pennsylvenla. All Rights Reserved

3800-FM-BCW0462 1212016 pennsylvania ~ DEPARTME T OF Et;VJRO MENTAl aif P!IOTECTJO ATTACHMENT DETAILS ..--a.--02202!5.pll Juno 2S...,_~-Fama.pd! _._ c.-,_ JlHS 202& --.pll JunoDolyE-Jlnl 25 8VNPP Ct.nlclll AddltvN Fom11.pdf PERMIT VIOLATIONS COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) 01w 2021-07.aTIS:2UJ0-04SN:) 01w 2025-G7-aT11:2125-0l:OO c-.- 2a25-G7-aT14.:ll:12-0C:ao Doly--- 202tM17-3JT13=1t:28-04:00 a:r2.6-0'7-aT13:25:A.2-0C:OO -02202!5---"""""'-- ..11.N 2DZI.,,..,. 0oclr'1' W...-.e lilonlcffG FOl'ffll I *--., 1--- 1-*--- - u.. CWOf._-C....... UNAUTHORIZED DISCHARGES Non~ID hale.....,... lwnt bid n.. .,..... nn. Dlac:oNNid OTHER PERMIT VIOLATIONS COMMENT DETAILS 0,.,.._CoftlactlllUfllNr SUIIMIIIIION INFORMATION

  • Pursuant to the Pennaylvanle Electronic Tranuctlona Ad.* Ad. 89, ellectlw, January 15, 2002, you ara about to engage In an eledronlc tranuctlon TELEPHONE DATE w1th the Commonwealth of Pennaylvanla. You ara aubmltting official Information. You certify under penalty of law lhet this document and 1 11 Robert Krlatophlll (724) 112-7773 2025 07 allac:hments _,. prepared under your direction or aupervtalon In accordance with I ayatem dealgned to auura lhet quelified personnel gather and Yluate the Information aubmltled. Baaed on your Inquiry of the person or peraona who manage the ayatem or thou peraona dlrectty raaponalble for SUBMITTED BY gathering the Information, the Information aubmltled la, to the beat of your knowtedge and belief, true, accurate and complete. You ara -ra that any AREACOOE NUMBER YEAR MO lalae lllbtment may be aubject to aubatanllal clvll and criminal penalllea, Including 18 P.S. aedlon 4904 (rallling to unawom lalallicetlon to authoritlea).

FULL NAME Privacy Polley I Security Polley Copyright C201G Common-lth of Pnnylvnla. All Right Rnrvad 21 DAY

L-25-150 ENCLOSURE B L

l 3800-FM-BCW0439 3/2014 Ii' P!'!,~sx~~~~!~rn~ SUPPLEMENTAL REPORT - CHEMICAL ADDITIVES USAGE Fa, ame: Beaver Valley Power Station - Unit 1 Month: June Year: 2025 Municipality: Shippingport Borough County: Beaver NPDES Permit No.: PA0025615 Outfall: 001 Watershed: Ohio River Renewal application due 180 days prior to expiration. This permit will expire on: October 31, 2026 Chemical Names Control Brom CB-Surfactant Dispersant Nalco Acti Brom Biocide Nalco Dechlorination Bleach Liquichlor 70 Nalco 73550 3DT-120 Nalco 1318 H-150M Nalco 7408 Nalco CL-50 Dav gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons 1 684.0 42.0 0.0 25.0 0.0 0.0 43.0 0.0 2 502.0 30.0 0.0 25.0 0.0 0.0 42.0 0.0 3 679.0 42.0 0.0 25.0 0.0 0.0 49.0 0.0 4 948.0 44.0 0.0 25.0 0.0 0.0 47.0 0.0 5 689.0 35.0 0.0 25.0 0.0 0.0 41.0 0.0 6 883.0 47.0 0.0 25.0 0.0 0.0 44.0 0.0 7 0.0 0.0 0.0 25.0 0.0 0.0 46.0 0.0 8 809.0 41.0 0.0 25.0 0.0 0.0 45.0 0.0 9 834.0 0.0 0.0 25.0 0.0 0.0 45.0 0.0 10 732.0 41.0 0.0 25.0 0.0 0.0 46.0 6.0 11 687.0 39.0 0.0 25.0 0.0 0.0 40.0 11.0 12 587.0 38.0 0.0 25.0 0.0 0.0 40.0 5.0 13 183.0 8.0 0.0 25.0 0.0 0.0 39.0 0.0 14 755.0 39.0 0.0 25.0 0.0 0.0 48.0 0.0 15 0.0 0.0 0.0 25.0 0.0 0.0 49.0 0.0 16 0.0 0.0 0.0 25.0 0.0 0.0 38.0 0.0 17 801.0 47.0 0.0 25.0 0.0 0.0 46.0 0.0 18 794.0 43.0 0.0 25.0 0.0 0.0 46.0 0.0 19 903.0 47.0 0.0 25.0 0.0 0.0 46.0 0.0 20 883.0 48.0 0.0 25.0 0.0 0.0 47.0 6.0 21 549.0 23.0 0.0 25.0 0.0 0.0 47.0 4.0 22 816.0 47.0 0.0 25.0 0.0 0.0 47.0 0.0 23 1167.0 50.0 0.0 25.0 0.0 0.0 46.0 0.0 24 0.0 0.0 0.0 25.0 0.0 108.8 28.0 0.0 25 982.0 45.0 0.0 25.0 0.0 0.0 43.0 0.0 26 938.0 48.0 0.0 25.0 0.0 0.0 46.0 0.0 27 915.0 47.0 0.0 25.0 0.0 0.0 46.0 0.0 28 962.0 59.0 0.0 25.0 0.0 0.0 59.0 0.0 29 923.0 33.0 0.0 25.0 0.0 0.0 48.0 0.0 30 712.0 11.0 0.0 25.0 0.0 0.0 47.0 0.0 31 Average 677.2 33.1 25.0 3.6 44.8 1.1 Maximum 1,167.0 59.0 25.0 108.8 59.0 11.0 I certify under penalty of law that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. See 18 Pa. C.S. § 4904 (relating to unsworn falsification). Prepared By: Darren Bollman License No.:

Title:

Environmental Specialist Date: --7-/2_2_/_2_0_2_5 ____________ _ lbs

~ pennsyl vania SUPPLEMENTAL REPORT - CHEMICAL ADDITIVES USAGE 3800-FM-BCW0439 3/2014 ~ DEPARTMENT OF ENVIRONMENTAL PROTECTION Facility Name: Beaver Valley Power Station - Unit 2 Month: June Year: 2025 Municipality: Shippingport Borough County: Beaver NP DES Permit No.: PA0025615 Outfall: 001 Watershed: Ohio River Renewal application due 180 days prior to expiration. This permit will expire on: October 31, 2026 Chemical Names Control Brom CB-Surfactant Dispersant Nalco Biocide Nalco Dechlorination Acti Brom Bleach Liquichlor 70 Nalco 73550 3DT-120 H150-M Nalco 7408 Nalco 1318 Day gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons 1 0.0 0.0 0.0 16.0 0.0 0.0 0.0 2 0.0 0.0 0.0 16.0 0.0 0.0 0.0 3 582.0 23.0 27.0 16.0 0.0 0.0 0.0 4 243.0 10.0 0.0 16.0 0.0 0.0 0.0 5 582.0 23.0 27.0 16.0 0.0 0.0 0.0 6 0.0 0.0 0.0 16.0 0.0 0.0 0.0 7 582.0 23.0 27.0 16.0 0.0 0.0 0.0 8 0.0 0.0 0.0 16.0 0.0 0.0 0.0 9 0.0 0.0 0.0 16.0 0.0 0.0 0.0 10 422.0 17.0 27.0 16.0 0.0 0.0 0.0 11 0.0 0.0 0.0 16.0 0.0 0.0 0.0 12 582.0 23.0 27.0 16.0 0.0 0.0 0.0 13 582.0 23.0 27.0 16.0 0.0 0.0 0.0 14 502.0 23.0 27.0 16.0 0.0 0.0 0.0 15 582.0 23.0 27.0 16.0 0.0 0.0 0.0 16 582.0 23.0 27.0 16.0 0.0 0.0 0.0 17 508.0 23.0 27.0 16.0 0.0 0.0 0.0 18 487.0 23.0 27.0 16.0 0.0 0.0 0.0 19 582.0 23.0 27.0 16.0 0.0 0.0 0.0 20 582.0 23.0 27.0 16.0 0.0 0.0 0.0 21 582.0 23.0 27.0 16.0 0.0 0.0 0.0 22 582.0 23.0 27.0 16.0 0.0 0.0 0.0 23 597.0 24.0 27.0 16.0 0.0 0.0 0.0 24 0.0 0.0 0.0 16.0 0.0 0.0 0.0 25 597.0 24.0 27.0 16.0 0.0 0.0 0.0 26 597.0 24.0 27.0 16.0 0.0 0.0 0.0 27 582.0 23.0 27.0 16.0 0.0 0.0 0.0 28 582.0 23.0 27.0 16.0 0.0 0.0 0.0 29 582.0 23.0 27.0 16.0 0.0 0.0 0.0 30 514.0 21.0 27.0 16.0 0.0 0.0 0.0 31 Average 420.5 17.0 19.8 16.0 Maximum 597.0 24.0 27.0 16.0 I certify under penalty of law that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. See 18 Pa. C.S. § 4904 (relating to unsworn falsification). Prepared By: Darren Bollman License No.: - ----------------

Title:

Environmental Specialist Date: 7/22/2025 lbs

!?.~~!!~!~~E~ A~!o?.cnoN 3800-FM-BCW0439 3/2014 SUPPLEMENTAL REPORT-CHEMICAL ADDITIVES USAGE Facility Name: Beaver Valley power Station Month: June Year: 2025 Municipality: Shippingport Borough County: _B_e_a_v_e_r _____ _ NP DES Permit No.: PA0025615 Outfall: 003 Watershed: Ohio River Renewal application due 180 days prior to expiration. This permit will expire on: October 31, 2026 Chemical Names RO Antiscalant Klaraid IC1172 Nalco Ultrion Hypersperse Coagulant Coagulant Day gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons 1 0.0 0.0 0.72 2 0.0 1.02 0.72 3 0.0 1.75 0.72 4 0.0 1.61 0.72 5 0.0 0.0 0.72 6 0.0 0.87 0.72 7 0.0 0.8 0.72 8 0.0 0.0 0.72 9 0.0 0.87 0.72 10 0.0 1.4 0.72 11 0.0 1.1 0.72 12 0.0 1.2 0.72 13 0.0 0.0 0.72 14 0.0 1.3 0.72 15 0.0 1.7 0.72 16 0.0 0.29 0.72 17 0.0 1.6 0.72 18 0.0 1.17 0.72 19 0.0 0.0 0.72 20 0.0 1.6 0.72 21 0.0 1.75 0.72 22 0.0 0.73 0.72 23 0.0 1.75 0.72 24 0.0 1.0 0.72 25 0.0 1.75 0.72 26 0.0 1.75 0.72 27 0.0 1.17 0.72 28 0.0 0.58 0.72 29 0.0 1.75 0.72 30 0.0 1.7 0.72 31 Average 1.1 0.7 Maximum 1.8 0.7 I certify under penalty of law that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. See 18 Pa. C.S. § 4904 (relating to unsworn falsification). Prepared By: Darren Bollman License No.:

Title:

Environmental Specialist Date: --1-,2-2-,..,...2-0_2_5 ____________ _ lbs

~ l O 3800-FM-BCW0439 3/2014 ~ P._:~~~!0~,~!!!a~ cnoN SUPPLEMENTAL REPORT - CHEMICAL ADDITIVES USAGE Facility Name: Beaver Valley Power Station - Unit 1 Month: June Year: _2_0_2_5 ___ _ Municipality: Shippingport Borough County: Beaver NPDES Permit No.: PA0025615 Outfall: 004 Watershed: Ohio River Renewal application due 180 days prior to expiration. This permit will expire on: October 31, 2026 Chemical Names Dechlorination Nalco 7408 Dav gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons 1 0.0 2 0.0 3 0.0 4 0.0 5 0.0 6 7.0 7 0.0 8 0.0 9 0.0 10 0.0 11 0.0 12 0.0 13 0.0 14 0.0 15 0.0 16 0.0 17 2.0 18 0.0 19 0.0 20 0.0 21 0.0 22 0.0 23 0.0 24 0.0 25 0.0 26 0.0 27 0.0 28 0.0 29 0.0 30 0.0 31 Average 0.3 Maximum 7.0 I certify under penalty of law that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. See 18 Pa. C.S. § 4904 (relating to unsworn falsification). Prepared By: Darren Bollman License No.: ------------------

Title:

Environmental Specialist Date: 7/22/2025 lbs

C e.~~m"~~!l!~.~~:~~ 3800-FM-BCW0439 3/2014 SUPPLEMENTAL REPORT - CHEMICAL ADDITIVES USAGE Facility Name: Beaver Vallley Power Station Month: June Year: 2025 Municipality: Shippingport Borough County: _B_e_a_v_e_r _____ _ NP DES Permit No.: PA0025615 Outfall: 010 Watershed: Ohio River Renewal application due 180 days prior to expiration. This permit will expire on: October 31, 2026 Chemical Names Control-Brom CB Biocide Dechlorination Corrosion lnhib. 70 Nalco H-1 SOM NALCO 7408 NALCO CL-50 Bleach - Liquichlor Dav gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons 1 0.0 0.066 17.97 0.066 0.0 2 0.0 0.0 17.97 0.0 0.0 3 0.0 0.0 17.97 0.0 0.0 4 0.0 0.0 17.97 0.0 0.0 5 0.0 0.0 17.97 0.0 0.0 6 0.0 0.0 17.97 0.0 0.0 7 0.0 0.0 17.97 0.0 0.0 8 0.0 0.0 17.97 0.0 0.0 9 0.0 0.0 6.93 0.0 0.0 10 0.0 0.0 0.0 0.0 0.0 11 0.0 0.0 0.0 0.0 0.0 12 0.0 0.0 8.5 0.0 0.0 13 0.0 0.0 17.0 0.0 0.0 14 0.0 0.0 17.0 0.0 0.0 15 0.0 0.0 17.0 0.0 0.0 16 0.0 0.0 17.0 0.0 0.0 17 0.0 0.0 17.0 0.0 0.0 18 0.0 0.0 17.0 0.0 0.0 19 0.0 0.0 17.0 0.0 0.0 20 0.0 0.0 17.0 0.0 0.0 21 0.0 0.0 17.0 0.0 0.0 22 0.0 0.0 17.0 0.0 0.0 23 0.0 0.0 17.0 0.0 0.0 24 0.0 0.0 17.0 0.0 0.0 25 0.0 0.0 17.0 0.0 0.0 26 0.0 0.0 17.0 0.0 0.0 27 0.0 0.0 17.0 0.0 0.0 28 0.0 0.0 17.0 0.0 0.0 29 0.0 0.0 17.0 0.0 0.0 30 0.0 0.0 17.0 0.0 0.0 31 Average 0.0 15.5 0.0 Maximum 0.1 18.0 0.1 I certify under penalty of law that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. See 18 Pa. C.S. § 4904 (relating to unsworn falsification). Prepared By: Darren Bollman License No.: -----------------

Title:

Environmental Specialist Date: 7/22/2025 lbs

r pennsylvania SUPPLEMENTAL REPORT - CHEMICAL ADDITIVES USAGE 3800-FM-BCW0439 3/2014 ~ DEPARTMENT OF ENVIRONMENTAL PROTECTION Facility Name: Beaver Valley Power Station - Unit 1 Secondary Month: June Year: 2025 Municipality: Shippingport Borough County: _B_e_a_v_e_r _____ _ NP DES Permit No.: PA0025615 Outfall: No Outfall Watershed: Ohio River Renewal application due 180 days prior to expiration. These feedwater additives are not typically discharged. They are reported to align with DEP guidance. This permit will expire on: October 31, 2026 Chemical Names Monoethanolamine Hydrazine PTTOOO Day gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons 1 6.0 0.0 2 6.0 0.0 3 6.0 0.0 4 6.0 0.0 5 6.0 0.0 6 6.0 0.0 7 6.0 0.0 8 6.0 2.0 9 5.5 0.0 10 5.5 0.0 11 5.5 0.0 12 5.5 0.0 13 5.5 0.0 14 5.5 0.0 15 5.0 0.0 16 6.0 0.0 17 6.0 0.0 18 6.0 0.0 19 6.0 0.0 20 8.0 0.0 21 7.0 0.0 22 8.0 2.0 23 7.0 0.0 24 7.0 0.0 25 7.0 0.0 26 7.0 0.0 27 7.0 0.0 28 7.0 0.0 29 7.0 0.0 30 7.0 0.0 31 0.0 Average 6.3 0.1 Maximum 8.0 2.0 I certify under penalty of law that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. See 18 Pa. C.S. § 4904 (relating to unsworn falsification). Prepared By: Darren Bollman License No.:

Title:

Environmental Specialist Date: 7/22/2025 lbs

e pennsylvania SUPPLEMENTAL REPORT - CHEMICAL ADDITIVES USAGE 3800-FM-BCW0439 3/2014 ~ OEPARTME'1T OF ENVIRONME'1TAL PROTECTION Facility Name: Beaver Valley Power Station

  • Unit 2 Secondary Month:

June Year: 2025 Municipality: Shippingport Borough County: _B_e_a_v_e_r _____ _ NP DES Permit No.: PA0025615 Outfall: No Outfall Watershed: Ohio River Renewal application due 180 days prior to expiration. These feedwater additives are not typically discharged. They are reported to align with DEP guidance. This permit will expire on: October 31, 2026 Chemical Names Monoethanolamine Hydrazine PT7000 Dav gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons lbs gallons 1 14.0 0.0 2 13.0 5.0 3 13.0 5.0 4 13.0 5.0 5 13.0 5.0 6 13.0 5.0 7 13.0 5.0 8 13.0 5.0 9 13.0 3.0 10 13.0 3.0 11 12.0 2.0 12 12.0 1.5 13 12.0 0.0 14 12.0 0.0 15 12.0 0.0 16 12.0 1.5 17 12.0 1.0 18 14.0 0.0 19 14.0 0.0 20 14.0 0.0 21 14.0 0.0 22 14.0 0.0 23 12.0 2.0 24 12.0 0.0 25 12.0 0.0 26 12.0 0.0 27 12.0 2.0 28 12.0 0.0 29 12.0 0.0 30 12.0 0.0 31 Average 12.7 1.7 Maximum 14.0 5.0 I certify under penalty of law that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. See 18 Pa. C.S. § 4904 (relating to unsworn falsification). Prepared By: Darren Bollman License No.:

Title:

Environmental Specialist Date: 7/22/2025 lbs

L-25-150 ENCLOSURE C

Drif pennsylvania DEPARTMENT OF EHVIAOfriNEN'T'Al PAOT£CTTON Beaver Valley Power Station SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING ll00-FM-8CW04U l/Z01Z Facility Name; Municipality* Watershed: Shippingport Borough County: Beaver ~;;:,,~No.. -k~=;-1 6~~11 -"!'ci,"" 2 ~ 5---- 20-B Renewal application due 180 days prior to expiration. Laboratories TestAmerica BVPS Lab This permit will expire on* October 31 2026 Flow pH TRC Free Available Temperature NH3-N Total Aluminum Tot.al Chromium Chlorine 1 1 1 1 1 1 1 1 MGO Q s.u. Q - Q - Q 'F Q - Q Q - 1 Sun 61112S 36.2 0.02 71.4 Mon Ul/25 35.2 0.02 70.3 Tue 6/3/25 34.2 7.9 0.12 0.03 73.6 1.2 We,J 8/4/25 33.0 0.02 79.3 Thu 615125 34.2 002 83.2 Fri 616125 35.5 0.02 84.2 Set 617125 34.5 0.02 82.8 2 Sun 6/8125 35.2 0.02 82.1 Mon 619125 34.9 8.0 0,03 0.02 81.4 1.6 Tue S/10125 34.4 0.02 82.9 Wed 6/11/25 34.5 0.02 78.6 Thu 6/12/25 30.3 0.02 82.8 Fri 6113125 33.4 0,02 84.2 S.t 6114/25 35.3 0.02 88.3 3 Sun 6115125 35.8 0.02 84.9 Mon 15/16125 34.9 8.0 0.02 0.02 83.3 Tue 6/17/25 31.8 0.02 84.8 Wed 6118'25 31.9 0.02 89.2 Thu 6/1$1/25 32.7 0.02 86 Fri 6/20/25 32.6 0.02 81.4 Set 6121/25 32.5 0.02 84.4 Sun 6122125 31.6 0.03 87.4 Mon 6123125 32.5 8.1 0.02 0.02 90.1 Tue 612<125 35.7 0,02 89.5 Wed 6125125 32.6 0.02 90.3 Thu 6126125 33.8 0.02 89.4 Fn 6f1.7f25 34.8 0.02 89.5 S.t 6/28125 35.4 0.02 85.4 5 Sun 6129125 35.5 0.02 84.3 Mon 6/30125 36.9 0.02 89.1 f- ~ MnimUm (Cone,) 7.9 a.oz 0,02 70,3 1.2 O,ily.........,,{Cor<) 8.1 0,12 0.03 90.3 1.6 Max Avg We*ktf (Cone.) 0.12 0.02 89 1.8 AvgMonthfy(Conc.) 0.05 0,02 83,1 1.4 Geomllr1c Mun (Cone.) Mu:AvgWMkt;'(Load) 34.7 34 466 .,._{Laod) 34.1 14 8

40.

r""'-(1.aod) 1021.a 407 176 12120 Dely-{loed) 30.3 5 5 342 Dely.........,,{loed) 36.9 34 468 loerbfyU'ldlfpwalyol'llwtiattt-.doa.met't.,...pr-,.r.dundwffffdrtclionot~lnacc:ordllnce'Mlha~mdnigMdto...,.*M~pnortM!gathtrandevalLlllehlnfomationlUt:ll'ritted.SaMdonrr, np'y of the person Of perSOM MO rnanaga the syatm or tllOlle pl,r.aMclredtf,..,,.... for pthemg lhe Wormabon, lhe lnforrNlion IM.DTl!tedil, to the betll ofmt kno.... and beiet, true. tKX:lnle and c:off111et*. I ame-r. thMhr... llgnlll0MIPffllllbKfor~fltMlntom-.tion.lnwclnJlthepoNibillyofintand~fork"°"""9~ S..18P1.C.S.§4904(r.lnngtoUfmllOl-nfatsi'"ation). Prepared By: Darren Bollman Trtle: Environmental Specialist Total Copper Total Iron Total M*rc:ury Total Zinc Hydrazine Nalco H150M Total Phenolic:, 1 1 1 1 1 1 1 Q - Q - Q - Q - Q - Q Q - 0.0079 2.0 0.0002 0.011 0.0082 2.7 0.0002 0.016 ~ 0.034 0.0079 2 0.0002 0,034 0,011 0.0082 2.7 0.0002 0,034 0.016 0.0082 2.7 0,0002 0,03 0,016 0.0081 2.4 0,0002 0.034 0.014 2 786 0.06 5 2 678 0.06 4 70 20345 2 2n 117 2 570 0.06 3 2 766 0.06 5

@r. pennsylvania OEPARlMENT OF EJWIRONMfNTAL PROTKTION Facility Name: Beaver Valley Power Station Municipality: Shippingport Borough Watershed: 20-B Laboratories TestAmerica BVPS Lab Flow 1 MGO Q 1 Sun 6/1'25 Mon 6/2/25 0.046 Tue 6/3125 Wed 614/25 Thu 615125 Fri 616125 Sot 5n,z5 2 Sun 618125 Mon 6/8125 0,046 Tue 6/10/25 Wed 6/11/25 Thu 6/12/25 Fri 6/13/25 s., 6/14/25 3 Sun 6/15/25 Mon 6/16125 0,046 Tue 6/17/25 Wed 6/18/25 Thu 6/19/25 Fri 6/20/25 Set 6121/25 Sun 6122125 Mon 6/23/25 0,0,6 Tue 6/24/25 Wed 6'25125 Thu 6126125 Fri 6127/25 Set 6!28125 5 Sun 6/29/25 Mon 6/30/25 0.046 Dalt,' Mlntnum (Cone.) DaltjMIJ<fflJm(Conc) Mu Avg Wf!alctt (Cone.) Avg Monthtf (Cone.); Geometric Mean (Cone.)'. Max Avg WNkfr (l.oed)* 0.0-46 AvvMonfir(load) 0.046 TotalMonlhly(Load) 0.23 ~M.......,,(load) 0.0-46 0.llyMUirrY..lm(Loed) 0.046 Q 3100~M..SCW0435 :S/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver Month* 6 (Nied,..,.mbef) Year. 2025 Permit No.: PA0025615 Outfall: ""0~02,c,c----- Renewal application due 180 days prior to expiration. This permit will expire on-October 31 2026 Q Q Q Q Q f-- I oel1lfy under penaky of law M ta docurMnt MS p,tpeted under m, drection o, ~ In aecudanct..,,;it\\ a system designed >>.-..e lha1 qualtled penonnel gather and evaluate 1he nformatJon Slbnttitd. S.Md on fflf lncp'y of the pet'IOn or persons, 'lllho rranage the l}'ltamor thoM peBOM~ rHpOl'llll)le for gatMmg lhe lnfonna!lon, lhe lnlorrr.bon Sl.i:lrnt1ed ls. lO lhe ~st olm, kno'Medg,e and belef true, aoc:ural* and~- I amaMre 1halh111 ar. lignl"icar1 ptna&s lo, 1Ubrn11Ung W. lnfomwtion lncl.dng the-pouibilityof lint *nd~ Jor ktKnwtgvlalal>>na. Sff HIP. C.S. § 490,1 (rfllt.igto ~ laWlcltion). Prepared By: Darren Bollman

Title:

Environmental Specialist License No.:=---- --------- Date: _7_/2_1_/2_0_2_5 _____________ _ Q Q Q Q Q Q Q e-

gr:f pennsylvania DEPARTMENT OF ENVIRON""fNTAL PAOTt:CTION Facility Name Munic1pahty Watershed* Laboratories. Bnver Valley Power Station Shippingport Borough 20-8 TestAmerica, BVPS Lab Flow NH3~ 1 1 MGD 0 s.u. 1 sun 6/1125 Mon 612f25 Tue 6/3125 0.567 Wed 61"25 0.529 Thu tl/S/25 Fri 616125 S.I 617125 2 Sun 618125 Mon 619125 0.432 Tue 6/10125 0.531 Wed 6/11/2S Thu 6/12/25 Fn 6113125 Sat 611"25 3 Sun 6/15125 Mon 6/16125 Tu* 6117125 Wed 6118'25 Thu 6/19125 Fri 6'10'25 S.I 6121125,- Sun 6122125 Mon 6123125 Tue 612"25 0.466 Wed 6125125 Thu 6126125 Fn tJ/27125 S.I 6128125 5 Sun 6129125 Mon 6130/25 OaltyMnmlm(Conc.) Dally Maximum (Cone) Max Avg We~ (Cone.) Avg MOl'ihly (Cone.) Geome1rlc M41an (ConcJ MaxAv;~(load) 0.548 Av;Monihtr(loecf) 0.505 TOCIIIMCJnNr(load) 2.525 """-(1.ood} 0.432 """-(1.ood} 0.567 3100.f'M-SCWVH 3/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County Beaver Month: 6 (..-CC nunww) Year. 2025 Permit No.: PA0025615 Outfall -0~03 ____ _ Renewal apphcation due 180 days prior to expiralton. This permit 'MIi expire on* -'O"c-"to""b"'er'-'3'-'1'-', 2"'0"'2=-* ____ Total Aluminum Total Mercury Hydrazine Nako H1SOM 1 1 1 1 0 - Q - Q - 0 - Q Q 0.0002 0.15 0,0002 0.55 0.034 ~ -,-- 0.15 0.0002 0.034 0.55 0.0002 0.034 0.55 0.0002 0,03 0.35 0.0002 0,03 2 0.0009 0.1 2 0.0008 0.1 0.02 0.7 0,0007 0.1 2 0.0009 0.1 I oeltdy..... pendy of ltwMthla doa.fflett 11,U pNpar.d UNMf ffff drection Of ~Maion In tccordanc:il '#llllh. sytimdtttgned IO..... f'lel quflll'led ~-- and evallJltt: lht: lnfllt'TNbon eubmined. S.MCI on ffff lnqulryofthe personorperso,w;M10 rrenagethesyl(emorthoMpet10MsKCly r*~forgalhemgtheinformation, tht:lnform11ionaubrrilledil,1olht: bt:ttolffff~andbelit:l, true, itc:ane*and~*. l amrMJt: lhatthera**~ptnalbes!or.umiltinljlhllwlnformallOn lnd.dngthepoNtiltyofMe*ncl~for~vi.:ions. 5"18 P*. C.S.f4904(Jelllll'l!lloUtt\\llOmflllsil'btion). Prepared By: Darren Bollman Ucense No.. ________________ _ TiUe: Environmental Specialist Date: ~1~,2~1~,2~0~2=-s ________ ____ Q Q Q Q Q Q Q ~-

Cr. pennsylvania DEPARTMENT OF ENVIRONMENTAi.. PROTECTION Facility Name: Beaver Valley Power Station SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING 3100.f"M-BCW04l5 l /2012 Month: 6 (SMCI: nurroer) Year. 2025 Municipality: Shippingport Borough County: Beaver Perrnit No.: PA0025615 Outfall. ""'0°"04~---- Watershed: 20-8 Renewal application due 180 days prior to expiration. Laboratories: TestAmerica BVPS Lab This permit 'Nill expire on: _o~c~*o~b~**- 3~1~, 2~0~2~6 _____ Flow pH TRC Free Available Temperature Total Aluminum Total Chromium Total Copper Chlorine t 1 1 t MGO Q s.u. Q - Q - Q 'f Q - Q Q - 1 Sun 611/2S 0.0 Mon 612125 0.0 Tue 613'25 0.0 Wed 614125 0.0 Thu 615125 0.0 Fri 6/ti/25 0.0 Set 6/7'25 o.o 2 Sun 618/25 0.0 Mon 6/9'25 0.0 Tue 6110/25 0.0 Wed 6/11/25 0.0 Thu 6/12/25 0.0 Fri 6113125 0.0 Set 6/14/25 0.0 3 Sun 6/15/25 0.0 Mon 6/16125 0.0 Tue 6117/25 3.85 7.1 0.02 0.02 89.2 0.65 0.0051 Wed 6118/25 o.o Thu 6MSl/25 0.0 Fri 6/20125 0.0 Set 6/21/25 0.0 Sun 6'22125 0.0 Mon 6/23125 0.0 Tue 8/24125 0.0 Wed 6/25125 0.0 Thu 6'26'25 0.0 Fri 6/27/25 0.0 Set 6'28125 0.0 5 Sun 6/29/25 0.0 Mon 6/30/25 0.0 OIJIV Mrlim.im (Cone.) 7.1 0.02 0.02 89.2 0.65 0,0051 Oaitf Maximum (Cone) 7.1 0.02 0.02 H.2 0.65 0.0051 Max Avg Weektt (Cone,) 0,02 0.02 0.65 0.0051 Avg Monthly (Cone.); 0.02 0.02 8!il.2 0.65 0.0051 Geometric Mean (Cone.) Max AV9 Weekly (Lo.cf) 0.55 0.6 0.6 21 0.2 AvgMonlhty(Loed) 0.13 0.6 21 0.2 TotalMon~(Lo.d) 3.85 10 19 626 5 o.lyMmun(lood) 0 0.6 0.6 21 0.2 OdyMulm.,m(lood) 3.85 0.6 0.6 21 0.2 I oeltlfy undet penaky of llw Iha! this document..,,.. prepared under rrrr dhc::tioo or ~rviaion In aa:ordanoe 'M!h a l}'lttm dnlgned to *uur* that quallied peraomel gather end *valuate lhe ln!OfTMtlon IUbmined. Bsed on my lnquwy ol the person or pe~ \\l\\nO manage the &)"Item or thoH persons dredly rt:'POMlble 101 ga,lhemg lhe lnrormatlon, lhe. infOITl"llltion &ubmltted I&, to the best ol rrrr kno\\114edgre and belef, trut:, ac::c::urate nd c:ompt1*. I am 'Mire thlt there ar* algnitant penalliet, lo, auarillJnfjl,_ lnlormation, lncblng the possibilty offlne nd ~ 101 kno~vlolatlona. SN 18 Pa. C.S. § 4904 (rekling lo UlS\\loOffl tWieatlon). Prepared By: Darren Bollman Tltie: Environmental Specialist Total Mercury Total Zinc 1 Q - Q - Q Q Q Q Q 0.0002 0.0002 0.0002 0.0002 0.0002 0.006 0.006 0.2 0.006 0.006

Srlf pennsylvania DEPARTMENT or ENVIRONMENTAL ""'1TKTION Facilrty Name: Beaver Valley Power Station Municipality: Shippingport Borough Watershed: 20-8 Laboratories: TestAmerica, BVPS Lab Flow 1 MGO Q Sun 611/25 Mon 6/2/25 0.016 Tue 613125 Wed 614125 Thu 615/25 Fri 616125 Sat 611(25 2 Sun 618'25 Mon 619125 0.016 Tue 6/10/25 Wed 6/11/25 Thu 6/12/25 Fri 6/13125 Sat 6/1-4125 3 Sun 6/15125 Mon 6/16/25 0.016 Tue 6/17/25 Wod 6/18/25 Thu 6/19/25 Fri 6/20/25

~~

6121125 6f22f25 Mon 6f23f25 0.016 Tue 6/2-4/25 Wed 6'25125 Thu 6/26125 Fri 6/27125 Sat 6/28125 5 Sun 6/29/25 Mon 6/30125 0.016 Oat, Mnffl.lm (Cone.) Daily Maidrrum(Conc): Mu Avg Weekly (Cone.): Avg MontNr (Cone.): ~ Mean (Cone.): MaxAvgWNldy(Load) 0.016 Avv Monlhly (Load). 0.016 TotaMonthly(Load) 0.08 Olly Mi'lmum (Load) 0.016 Dely"""'"""'(lood) 0.016 Q 3IO0..fM--8CW0435 3/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver ~: ::n~fNo.: k.~=;nat> ~:~II: -=;:.:i.-= 2 a. 5---- Renewal application due ] 80 days prior to expiration. This permit 'MIi expire on: ..:Oc..:cccto:.:b..:c*'c.c3c..:1.,_2"'0:.:2.c.6 _____ Q Q Q Q Q I certify undlf penaly of lllwM thia doc:urrwc was prepared under rrJf dredlon o, supeMMOn ~ accordlnoe 'llllilt1 a sya&em dHi$ned lo nara Iha!: ~tied per.omel pttMir and evaluate t,e hfomation llbritlad. 6aNd on my hql..rf of lhe pel'IOn o, persons M10 rranage the &)'Item o, thoM penon&ciradly reaponllblt fo, gathemgthe Worrnalion. the rtfonnation &Uhrrilt.c:i la, IO the: belt ofmy kno'Mldga and belef, true, itCCU'ale and con't)let*. I am *...,.,. thlM thl:r..w lis,tlk:at1 ~ for subrTilting lelM lnforrrallon, lnd.dng1he poutiliry olh *nd ~ forknoM'tgv101e!bns. SH 18 Pe C.S. f 6CM (r.6aq10 l.nS\\IIOm talslic:ation}. Prepared By: Darren Bollman

Title:

Environmental Specialist License No.: Date: -=1"'12:-:1"'12"'0:-::2-=-5-------------- Q Q Q Q Q Q Q

u~ pennsylvania DEPAATMEHT or ENVIAONfoefTAl PROTECTION Facihty Name* Mumc,pahty Watershed. Laboratories* a.aver Valley Power Station Shippingport Borough 20-8 TestAmerica BVPS Lab Flow pH MGO Q s.u. Sun 611125 Mon 612/25 0.0 Tue 613125 Wed 614/25 Thu 615125 Fn 816125 Set 6flf25 2 Sun 618125 Mon 6/0/25 Tue 6/10125 Wed 6/11125 o.o Thu 6/12.125 S/13125 Set 6/1-4125 3 Sun 6/15'25 Mon 6/16125 0.0 Tue 6/17125 Wed 6/18125 Thu 6119/25 Fn 6/20/25 Set 6'21/25 Sun 6f22125 Mon 6/23125 0.0 Tue 6/24(25 Wed 6/25125 Thu 6/26/25 Fn 6f1.7f25 Set 6/28125 5 Sun 81211125 Mon 6/30125 Deit)i Minim.Im (Cone.) --(Con<) Max Avg Weekly (Cone.) AVV Monthly (Cone.) Geoml.tlc: Mun (Cone.) Mu: Avg W..+cly (Load) A\\fVMonthly(Load) TotalMon~(load) --(l-') 0 -Mulnun(l-') 0 Q 3I00-4=M-8CW04H l/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County Beaver ~;::,,~; No.: f.:o~;-:;-1 6-.;;,u ..,!"'i1=-2""5---- Renewal apphcatJon due 180 days prior to expiration. This permit will expire on* October 31 2026 TRC Free Available Temperature Nalco H150M Chlorine 1 Q Q 'F Q - Q Q f-- I 0lltlfy undlf penaly of IIWM tt. doc:umenl: wn prllpl19d undlr rrPf drec:bon or aupaMSIDn r1 acmrdlncl....-ti a syRem da-i,w:d ID..... M ~ penoMlll galtMt and rtatultt, lhe lnl'Offl'lltion llJbrnOed. Bued on rfJt ~ ofh pet'IOn Of pttsOl"II \\llho,..,...1he system Of ltMIM perlOnl ~ rffPQNl:ik lor galMfrlglhe nformmon, lhe lrdOffl'llllon su:mllltd.. kl the: be.: ol"" ~ Ind betel tn.. ~ and compelt. I Ml..,. lhlllht,.h~~for ~fahefflom.tion.incbingthepoallityofhand~bkno-,g.,...,,., SN 18P-I.C.S. f '4804 (r.laqlaW'INUnfull"1catlon). Prepared By Darren Bollman

Title:

Environmental Specialist License No: Date,2-,-,2-0_2_5 _____________ _ Q 0 Q Q Q Q Q ~ -

g pennsylvania rAIIQ DEPARTMENT OF ENVIRONMENTAL. '6llll!!II f'ROTECTION Beawr Valley Power Station SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING 3100.fM-8CW0435 J/201% Month _6_1....,-, Year. 2025 Facility Name Municipality Watershed Laboratories Shippingport Borough County* Beaw r Permit No.. PA0025615 Outfall: "=0""1oc-'------ 20-8 Renewal appUcauon due 180 days pnor to expiration. TestAmeric:a BVPS Lab This permit 'MIi expire on: _O~e1~o~bo~ *~3~1~, 2~*~2_, _____ Flow pH TRC Free Available Temperature Total Mercury Nak:o H150M CMorlne 1 1 1 1 1 MGO Q SU. Q - Q - Q 'f Q - Q - Q 1 Sun 611/25 55.5 Mon 612125 62.2 Tu. 6/3125 2.* 7.8 0.07 0.06 52.3 ~ 0.0002 Wed 614/2.5 49.2 Thu 6/5/25 53.9 Fn 616125 ~ 59.1 - Set 617/25 72.8 2 Sun 616/25 72.5 Mon 6/0/25 2.9 7.9 0.08 0.07 72.1 Tue 61101'25 72.8 0.0002 Wed 6/11/25 73.4 Thu 6/12/25 75.3 Fri a/13/25 75.5 Set 6/14/25 75.8 3 Sun 6/15125 76.6 Mon 5116125 2.* 7.8 0.06 0.09 77.1 Tue 6/17/25 76.6 Wed 6/18125 75.9 Thu 6/19/25 76.2 Fri 6/20/25 75.5 Set 6/21'25 75.9 Sun 6122125 76.2 ~ Mon 6123/25 4.3 7.8 009 0.04 78.2 Tue 6/24125 79.7 Wed 6/25125 81.1 Thu 6126125 82.2 Fri 6/V/25 82.2 Set 6128125 83.1 5 Sun 6120/25 84.2 Mon 6/30/25 83.4 Daltf M'1ffllm (Cone.) 7.1 0.04 49.2 0.0002 Daitf Mallinun (Cone) 7.0 0.011 14.2 0.0002 Mu Avg Weekly (Cone.); 0.09 0,09 0.0002 Avv Monthly (Cone.) 0.08 0.07 72.9 0.0002 Geoma*k Mun (Cone.). MaxA"t9WNltdy(t.o.d) 4.3 fREFI - IREFI - IREFI IREFI tREFI IREFI IREFI AY9Monl'lt((lo.d) 3.3 fREFI IREFI IREFI IREFI IREFI IREFI IREFI TCICIIIMonlhly(LOMf) 13 fREFI IREFI IREFI IREFI IREFI IREFI fREFI OelyMmun(loed) 2.* IREFI - IREFI - IREFI IREFI -

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tREFI - IREFI tREFI - IREFI tREFI IREFI lcwf'yWldlt'penalyoln'l\\althildocl..meRWNpr.Mundw"'fdi-9dlonor~rlac:cordlnce..,,.systemdnis,,edm....... quaitleclpnonnelgarhel"andevlM.llteltleinfOffllltionlUbmOtd.BHed0Jln,v np'y ol1he ~ or pe"°"5 'N10 manage the system or ltlOM ~*edtf r..,,.t,le for pthemgh WOfTNdon. lhe lnfonN1lor'I &Ubrrctd I&,>> lhe a.<< ol "'I knoo,,ledve and beief true. Ka.nteand 00ff1N.l*. I am._,. that lhe,... agnifbnt penaties for sutwriltq fetM lntonNbOn lncldnQ 1M pollll:ey cf hand~ lor kno-,g vio6ltiora. SN 1 B Pa. C.S. § GCM (,-Ging lo~ Wartcabon). Prepared By: Darren Bollman Trtle: Environmental Specialist g~;.~** No.:-=1~,2~1~,2~0~25~-------------- Q Q Q Q Q Q Q IREFI IREFI IREFI itREFI IREFI IREFI IREFI IREFI IREFI IREFI

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g pennsylvania J'.aID DEPAATMENT OF CNVIRONHENTAl.. PAOT£CTION Facihty Name Municipahty Watershed Laboratories Beaver Valley Power Station Shippingport Borough Z0-8 TestAmerica, BVPS Lab Flow Total Mercury 1 1 MGO Q - 1 Sun 611/25 Mon 6/2/25 Tu, 6/3/Z5 0.00-4 o.oooz Wod 6/4/lS Thu 615/25 Fri 616/Z5 Sot 6/7f25 z Sun tl/8125 Mon 6/9f25 0.00-4 0.0002 Tuo 6/1005 Wed 611 1/25 Thu 6/12f25 Fri 6113/25 Sot 6/1 4/25 3 Sun 6/15125 Mon 6/16125 0.00-4 Tuo 6117125 Wod 6/18/25 Thu 6/19125 Fri 6/20/25 Sot 6/21/25 Sun 6/22JZ5 Mon 6/23125 0.00-4 Tuo 6/24/25 Wod 6f25f25 Thu 6f26f25 61Z7/25 Sot 6128125 5 Sun 6/29/25 Mon lS/30/25 o.t, Mnlnun (Cone.) 0.0002 Oalty Maxlnun (Cone) 0.0002 Max Avg W.Kty (Cone:.) 0.0002 Avg Mnht( (Cone.) 0.0002 Gtorren: Mean (Cone.) MaxAv;WMltit(lA>>d) 0.00-4 0,000007 .........,(lood) 0.00-4 0,000007 r.........,(lood) 0,012 0,0002 o.a, Mlnm.m(Loed) 0.004 0.000007 Doly..........,.{Lood) 0.004 0.000007 Q HOO~M-6CW04ll l/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver Month. _6_ (MIKtnunw) Year 2025 Pennlt No.. PAOOZ5615 Outfall* -;0"'11=---- Renewal eppllcatJon due 180 days pnor to expirahon. This permit will expire on: ~O~c~to~b~**~3~1~Z~0~2~6 ___ __ _ Q Q Q Q Q I candy undw P1ft11Y ol llwl'\\ll ttw documn"'" prt,par.cl undlr mr dh c:tion or.upalYllion In KC:Ofdanc:e _,*system dNic,,ed to...,., ha~ parwo,"nll gathef and evlMla lhe WOffl'lltlon tutmbed, Bated on m, ~ oflhe peNOn or p,enont, W,O,renaepe the. system or lhoM penon1chd/ r~ tor galhemg lhl lrdomaCion, ltM l'1lormalion ~ii, lo Shi bnt ofm, ~ and behf_ true aco.nte and corr,!e!* I ama-. thattt.re.. llgnificattpenalinfoflYbrrlllngWMn'omation n:b:lnglhepoeallilryoth and~fof~~ S..18PII.C.S.f4904(~1o~Jaluic:abon). Prepared By: Darren Bollman License No.: ------------------

Title:

Environmental Specialist Date: ~1~,2~1~,2~0~2~s _____________ _ Q Q Q Q Q Q Q

G pennsylvania F,,a/!;J DEPARTMENT OF EHVIRONMENTAL. ,... PROTECTION Facility Name: Beaver Valley Power Station Municipality: Shippingport Borough Watershed: 20-8 Laboratories: TestAmerica, BVPS Lab Flow pH 1 1 MGO Q s.u. 1 Sun 6/1/25 Mon 612125 Tue 613/25 0.001 8.2 Wed 6/4/25 Thu 6/5/25 Fri 616125 Sat 6flf25 2 Sun 6/8/25 Mon 619125 0.001 7.5 Tue 6/10/25 Wed 6/11/25 Thu 6/12125 Fri 6/13/25 Sot 6/14/25 3 Sun 6/15/25 Mon 6/16125 Tue 6/17'25 Wed 6/18/25 Thu 6/19/25 Fri 6120125 Sat 6{,zi/25 4 Sun 6f22f25 Mon 6/23/25 Tue 6/24/25 Wed 6/25/25 Thu 6126/25 Fri 6127/25 Sal 6/28125 5 Sun 6/29125 Mon 6/30125 Dlit;' MnimJm (Cone.) 7.5 Dalt( MaXfflJITI (Cone): 8.2 Mu Avg Weektf {Cone.) Avg Monttvt (Cone.): Geometric Mean (Cone.)* MaxAvgWeellif(Load) 0.001 AVVMomfii/(Lo.d) 0.001 TotlllMonthly(Load) 0.002 0.lyMinklun(load)* 0,001 0.llyMaldnun(Load) 0.001 3100-FM-BCW04ll5 J/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver Month: 6 (seleclnumber) Year: 2025 Permit No.: PA0025615 Outfall: "'0712':--'------ Renewal application due 180 days prior to expiration. This permit will expire on: ~O~c~*o~b~**~3~1~2~0~26~------ Total Cadmium Total Copper Total Zinc 1 1 1 Q - Q - Q - Q Q Q 0.001 0.082 0.018 0.001 0.12 0.065 0.001 0.0112 0,011 0.001 0.12 0.065 0.001 0.12 0.065 0.001 0.101 0.042 0.000008 0.001 0.0005 o.oooooa O.OOO<I 0.0003 0.0003 0.03 0.01 0.000008 0.0007 0.0002 0.000008 0.001 0.0005 I certify undw penaly of law lhal this documenl v,as prei:-19d undll mt di'eetion Of supe:Mlbn l'I accordance 'Mlh a '}'Stem designed lo asue lh*t qulffild persoMel gather and evaluate 1h11 l'lfomation aulmtted. S.Nd on mt ~ of lhe pe,son Of pel"IOM MO manage 1he system or thou persons drectly tuponsl:ile for gathemg the l'lfonNtion, lht lnfonNISon w:mfted la, lo the best ol "'f 1tno*9 *nd bthf, tl'\\le accurate and co~*- I am,,,..., tnet there n ~~tor subrTiUing latN lnfonna!Son. lnct.dng the poAiilty of me and~ for kno'Mng vlotltions. Sff 18 Pa. C.S. § 4904 (,.ti'lgto WlS\\liOm talsWicetion). Prepared By: Darren Bollman litle: Environmental Specialist License No.: Date: ~1~,2~1~,2~0~2~5-------------- Q Q Q Q Q Q Q

g pennsylvania DEPARTMENT or ENVIRONMENTAL """1fCTION Facility Name: Beaver Valley Power SUltion Municipality: Shippingport Borough Watershed: 20-8 Laboratories: TestAmerica, BVPS Lab Flow pH 1 1 WHk Dev Date MGD Q s.u. 1 Sun 611/2S Mon 6/2/25 Tue 6/3/25 0.002 8,1 Wod 6/4/25 Thu 6/5125 Fri 616125 Sat 6(7125 2 Sun 6/8125 Mon 619125 0,002 8,0 Tue 6110/25 Wed 611 1/25 Thu 6112/25 Fri 6/13/25 Sat 6/14/25 3 Sun 6/15/25 Mon 6116/25 Tue 6/17125 Wed 6/18/25 Thu 6119/25 Fri 6/20125 Sat 6/21/25 Sun 6122125 Mon 6/23/25 Tuo 6/24/25 Wed 6/25/25 Thu 6/26/25 Fri 6/27/25 Sat 6/28/25 5 Sun 6/29/25 Mon 6/30/25 Daltf Mnlm..lm (Cone.) Oalfy Maxim.Im (Cone); 8,1 Max Avg Wttkty (Cone.)' Avg MOl'Kh~ (Cone.): Geometric Mun (Cone.) MaxAvgWMkly(Lo.d). 0.002 AVi Monthly (Load) 0.002 Total Monthly (Load): 0.004 0.lty Minlrrun (load): 0.002 Dflly Maxim.Im (Load)* 0.002 Q 3100.fM-8CW0435 3/2.012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Seaver Month: 6 (IH!ld numbar) Permit No.: PA0025615 Year: Outfall: 2025 013 Renewal application due 180 days prior to expiration. This permit v,,;11 expire on: -'o-",t'-'o-=-**"'r--'3'-'-1'-', 2'-'o-=-2*'------- Total Copper 1 - Q Q Q Q Q 0.0031 0.078 0,0031 0,078 0,078 0.0406 0.001 0.0007 0.02 0.00005 0.001 I certify under penaRy of law that this document MS prepared undef rrPf dieciion or supervision In accordance ¥lttn a system designed lo assure !hat """ifiecl perSOMel gather end evwuate the Information.ubmitted. Based on rrPf lnquky of the person or per50nS ¥<<M) manage the syslem Of those persons directly responsible for ~theri,g the Information. the lnformetion 5Utmtled Is, to the best ol "'I kno.,.. and behl, true. accurate Ind co~ete. I am *-re that there are lignlricenl penaft1H IOf subrrilting IWN lnl~tlon. lnckxing tht pouitliily of !Int nd lrr¢sonmffl I<< knovklg violations. Set 18 Pe. C.S. § 4904 (relating to unswom lalsirk:atlon). Prepared By: Darren Bollman License No.: ________________ _

Title:

Environmental Specialist Date: ~7"'/2~1~/2~0-=-25'-------------- Q Q Q Q Q Q Q

~ pennsylvania ~ ~~0.-EN\\IIRONMENTAL Facility Name: Beaver Valley Power Station Municipality: Shippingport Borough Watershed: 20-8 Laboratories: TestAmerica, BVPS Lab Flow pH RI w,.. Dav Date MGO Q S.U. Sun 6/1/25 Mon 612/25 0.047 7.5 Tue 6/3125 Wed 6/4(25 Thu 6/5/25 Fri 616125 Sat 6{//25 2 Sun 6/8/25 Mon 619125 Tue 6/10/25 0,017 7.2 Wed 6/11/25 Thu 6/12/25 Fri 6/13125 Set 6/14/25 3 Sun 6/15/25 Mon 6/16/25 0.019 6.6 Tue 6/17/25 Wed 6/18/25 Thu 6/19/25 Fri 6120/25 Sat 6121125 4 Sun 6122125 Mon 6/23/25 0.038 7.5 Tue 6/24/25 Wed 6/25125 Thu 6126125 Fri smri.s Sat 6/28/25 5 Sun 6/29/25 Mon 6/30/25 0.023 7.2 Daily MW!lmum (Cone.): 6.6 Dalt,, Maximum (Cone); 7.5 Max Avg Wffktt (Cone.): Avg Morlttw (Cone.): Geometric Mean (Cone.) MaxAvgWeekfy(Loacf) 0.047 Avg Monlhly (Load)* 0.029 Total Monlhtf (Load) 0.144 0.~Minirrum(Loacl)* 0.017 OalyMaxinun(Load)* 0.047 Q 3800-FM-BCW04l5 3/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver Month: _6_ (select number) Year: 2025 Permit No.: PA0025615 Outfall: ~1-01 ____ _ Renewal application due 180 days prior to expiration. This permit will expire on: .=Oc=c;.:to"'b'"er--'3"1'- 2"0"'26=--------- TSS 011 and Grease NH3-N Hydrazine RI RI RI RI moll Q - Q -~ Q - Q Q 4.0 4.8 4.0 4.9 4.0 4.9 4.0 4.9 4.0 4.8 4 4 4.9 4.0 4.9 4 4.9 2 - 2 1 -

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I certtty undlf penaly of law !hat this document 'MIS prepared under my drection or aupervi&ion In aa:ordance v.lh

  • aystem designed lo aasure that qualified personnel gather and evaluate lhe Information tubnittecl BaMd on my incpry of the perwn or persons 'M'IO manage the s}'ltem or those persons dreelly responsible for gathemg lt1t Information, the Information subrritted Is, to the best of "Pf knovAedge and behf, 1rue. accurate and co~e. I am aware that the rt Ire tignlr1a1nt penanles for submitting false lnlormation, lncbing the possialrty of line Ind rnprisonment for kno\\Wlg vloltions. SH ta P1. C.S. § 4904 (reltlng lo umwom falsification).

Prepared By: Darren Bollman

Title:

Environmental Specialist License No.: Date: "'1,.,,2=-c1,.,,2=-co"'2-=s-------------- Q Q Q Q Q Q Q

- ~ pennsylvania DEPARTMENT OF ENVIRONMNTAl PROTtCTION Facility Name; Municipality: Beaver Valley Power Station Shippingport Borough Watershed: 20-B Laboratories: TestAmerica, BVPS Lab Flow pH RI MGO Q s.u. Sun 6/1/25 Mon 6/2/25 Tue 6/3125 Wod 6/4/25 Thu 615/25 0.001 74 Fri 616/25 Sat 6/7/25 2 Sun 6/8/25 Mon 6/9/25 Tue 6/10/25 0.001 7.7 Wed 6111/25 Thu 6/12/25 Fri 6/13/25 Sat 6/14/25 3 Sun 6/15/25 Mon 6/16/25 Tue 6/17/25 Wed 6/18/25 Thu 6/19/25 Fri 6/20/25 Sat 6121/25 -. sun"" 6122125 Mon 6123/25 Tuo 6124/25 Wed 6/25125 Thu 6126/25 Fri 6127/25 Sat 6/28/25 5 Sun 6129125 Mon 6130/25 ~ o.ay Mnffllm (Cone.)* 7.4 --(Can<) 7.7 Mb Avg Wffkly (Cone:.)* Avg Monthly (Cone.): Geotnltnc Mean (Cone.)* Max A..-g WMkt/ (load) 0.001 IREF! AvgMonthly(lo.d) 0.001 f.REFI TotalMonlhly(Load) 0.002

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11oo~M-Scwoo, 312012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County:

Beaver ~;::r,~~ No.: -!-A-o~;:;rrcer) 6~~11: "';"'i2"' 25=------- Renewal application due 180 days prior to expiration. This permit will expire on: -'O-'c~**-'b~**~3~1~2~0~2~6 _____ TSS OIi and Grease RI RI Q - Q Q Q Q 9.2 4.9 19.0 4.9 ~ - ~ - 9.2 19,0 14.1 I REFI

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I certify under penaty of law 1het thil doct.mert ¥1111 p,epeted under rrP/ dwection Of superviuon In accorclanc,e 'Mltl

  • syetem detigned lo..-..e 1h11 quafied p,er90f'ftl gather and fflluate lhe lnforrration IUbrritted. Based on m,

~ or lhe ptflOtl or personc Yoho~ the &)'Item or thOlle persons drecttf respor'llib6a for gathemg lhe: information, tha lnfom.don subrn:ed Is, to tl'M bell ol m, M0\\116edge: and belief_ true. KC:Unte and cot'llHt*. I *m *ware dwt there are llgnlicant penalbes for~ lahe lnfom-.tion, n::luclngthe pouiblry of fine 1nd ~ tor kno'<Wl9viotadons. SN 111 Pa. c.s. S 4904 (relt,tqto uns'M:lffl faWlcation). Prepared By: Darren Bollman License No.: ______ _____ ____ __ _ Trtie: Environmental Specialist Date: ~7~/2~1~/2~0-'2~5 _____________ _ Q Q Q Q Q Q Q ~ - ~ f.REFI IREFI

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G'r. pennsylvania DEPARTMENT OF ENVIRONMENTAL ProTECTION Facility Name: Beaver Valley Power Station Municipality: Shippingport Borough Watershed: 20-8 Laboratories* TestAmerica BVPS Lab Flow pH 1 RI MGO Q s.u. 1 Sun 6/1/25 0.513 Mon 6/2/25 0.550 7.2 Tue 6/3125 0.567 Wed 6/4/25 0.529 Thu 6/5125 0.378 Fri 816125 0.195 Sot 6/7125 0.352 2 Sun 618125 0.391 Mon 6/ll/25 0.432 Tue 6/10/25 0.531 7.7 Wed 6/11/'lS 0.551 Thu 6/12/25 0.515 Fn 6/13/25 0.499 Sat 6/14/25 0.530 3 Sun 6/15/25 0.548 Mon 6116/25 0.563 Tue 6/17/25 0.524 Wod 6/18/25 0.535 Thu 6/19/25 0.502 Fri 6/20/25 0.509 Set 6/21/25 0.497 4 Sun 6122/25 0.465 Mon 6/23125 0.448 Tue 6124/25 0.466 Wed 6125/25 0.447 Thu 6/26/25 0.448 Fri 6127/25 0.454 Sat 6/28125 0.338 5 Sun 6/29/25 0.146 Mon 6/30/25 0.196 Dally Mhrnum (Cone.): 7.2 Offj MaximJm (Cone): 7.7 Max Avg Weekt)t (Cone.) Avg Mmhtf (Cone.) Geometric: Mean (Cone.) MaxAvgW..ict,,(Load) 0.525 AvgMonthl)' (LOMf) 0.454 Tolal-(Load)* 13.619 OalyMmuTl(Load) 0.146 Ooly-(lood) 0.567 Q 3100.f~CWD431i 3'2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beawr Month: 6 (...ct nuffnl') Year: 2025 Pem,i( No.: PA0025615 Outfall: ""10-c,3=----- Renewal application due 180 days prior to expiration. This permit will expire on* October 31 2026 TSS OIi and Grease Q - Q Q Q Q 13.S 4.8 32.2 4.9 13.5 32.2 4.9 32.2 4.9 22.9 4.9 143 22 102 22 3061 656 62 22 143 22 I c:enify ~ pendy ol llw lhal this documwit MS pre~red under rrt'f dkection or supervlMon In KCOl'dlnoe 'Mlh a system designed to auure that qualried penonnel gather and evaluate th* lnforntlon.ubmitted. Based on rrt'f ~ of the person or persons v.no manage the system or thoM persons directly responsib4e !Of gathering the Information. the lnrormation IUbmittecl Is., 10 the bell ol "'I knov,tedg,e and belel. lNe. accurate and complet*. I am,...,.re !hat there are sigr,iflcant penalties tor IUbmltting tatse Information, includngthe ponibllity of IN encl~~ k>r kno'M1g vioations. S.. 18 PL C.S. § 4904 (rNlinglo ~ falllication). Prepared By: Darren Bollman

Title:

Environmental Specialist Q Q Q Q Q Q Q

Gr. pennsylvania DEPARTMENT or ENVlAONMNTAl PROTECTlON Facility Name Municipahty* Watershed Laboratories BHver Valley Power Station Shippingport Borough 20-8 TestAmedca, BVPS Lab Flow TRC RI MGO 0 - Sun 6/1/25 Mon 6/2/25 0.0 Tuo 613/25 Wod 6/4/25 Thu 615125 Fn 616/25 Sol 6/7'25 2 Sun 6/8f25 Mon 6/9'25 Tu* 6/10125 Wed 6111'25 0.0 Thu 6/12'25 Fn 6/13125 Sol 6/14/25 3 Sun 6/15125 Mon 6/16125 0.0 Tu* 6/17/25 Wod 6/18/25 Thu 6/1&/25 Fri 6120/25 Sol 6/21/25 Sun 6f22f25 Mon 6f23f25 0.0 Tu* 6/24/25 Wod 6/25125 Thu 6/26125 Fn 6/27/25 Sot 6f28f25 5 Sun 6129/25 Mon 6/30/25 Dady Mr.m.lffl (Cone.) OaitfMallinUn(Conc:} Max AYg \\Neekly (Cone.) Avg MontNr (Cone.) Geommc Mun (Cone.) Mu:AttgWNktf(loed) .,........,,{l..., TolllMonlhly(Load) --{lood) 0 --{lood) 0 0 JIOO-F~CM4'5 3,12012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beawr Month 6 {...,.....-, Year. 2025 Penni< No.. PA0025615 Outfall. ""'1'="osc"----- Renewal apphcation due 180 days prior to expiration. This permit will expire on: _O~c~*o~be~ *~l~*~* ~20~2~6 _____ 0 0 0 0 0 I Cffllfy ~ penaly ol -w M tt. doc:U'mnC _. prepar.d t.n:111' "'f Section o, tupe,vllion In KQlfdanee....., I.,.._,,, dnlgned ID -.re M ~ pnome,I gattw Ind evllkat* 1M Information IUbTad, 8Hed on mt lnq,My ol the par.on or pel'IOnl YltlO rranage the ayttem or d'\\OM pnon1 dfedty responaib61 !0f galhemg IM lnlonnlfflOn, the tnfonNIIOn lUlfflilttd II, to the bHt of "'I knollltedge and behl, true, ac:a.nte Ind ~* 1 am..,. thMther..,.t1vnW'ar1~for~,-.rtfotm1110n.lncblngthepoaibllilyol'h1nd~forkno-.ig....,.__, S..111Pa C.S. §4904(r.i.trlgtour'IS'oll0tnlalll"ation). Prepared By: Darren Bollman TiUe: Environmental Specialist License No.: Date: /2_21_2_0_2_5 _________ ____ _ 0 0 0 0 0 0 0

g pennsylvania J..a DEPARTMENT OF ENVIRONMENTAL .... PROTECTION Facility Name: Beaver Valley Power Station Municipality: Shippingport Borough Watershed: 20-8 Laboratories: TestAmerica BVPS Lab Flow pH 1 RI MGD Q s.u. 1 Suo 6/1/25 Moo 6/2/25 0,002 Tue 613/25 Wed 6/4/25 Thu 615125 Fa 618/25 Sat sn12s 2 Suo 6/8/25 Moo 6/912.5 Tue 6/10/25 0.002 8.2 Wed 6/11/25 Thu 6/12/25 Fa 6/13/25 Sat 6/14/25 3 Suo 6115/25 Moo 6/16125 0.002 8.3 Tue 6/17/25 Wed 6118/25 Thu 6t\\9/25 Fri 6/20/25 Sat 6/21/25 Suo 6/22/25 Moo 6/23/25 0.002 Tue 6/24/25 Wed 6!25/25 Thu 6/26125 Fri 6/2712.5 Sat 6'28/25 5 Suo 6/29/25 Moo 6/30/25 Daify Mi'lfflUm (Cone.): 8.2 Dait, Muirrun (Cooe): Max Avg Weekly (Cone.): Avg Monthly (Cone.): Geometrle Mean (Cone.); Max AV9 Weekly (LOild): 0,002 Avg Mon~ (Load). 0.002 Total Monlhty (Load) 0,008 oat, Minirrlnn (LGad)* 0.002 Ody MaximJm (LGad)* 0.002 Q 3100.f"M~cwocn 3/2ou SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver Month: _6_ (HIKtnuni>er) Year: 2025 Pennit No.: PA0025615 Outfall: 11 ____ Renewal application due 180 days prior to expiration. This permit Wll expire on: -'O'-'c"'to'-'b-=-**cclc.,1.,_, 2:c0c=2.=.6 _____ TSS 011 and Grease RI RI Q - Q Q Q Q 17.5 ,.2 5.2 9.2 4.8 17.5 5.2 17.5 5.2 8.7 5.0 0.3 0,09 0.1 0.08 2 0.07 0.08 0.3 0.09 I certify unatf penaJy of law lhal this document _, prepared und&r rrPf dl"ection or aupeM51on In ICCOfdance v.iltl a system designed to aHl.l'e Iha! quallfled personnel gather and evaluate lhe lnlonnatlon sutrnitted. Based on rrPf ~ of the person or persons ~ manage the system Of those persons cirectti/ responsible for galhemg lhe information, !he information submitted Is, lo the best of mt knov.4edge and behf, true, ac:cuate and complete. I am,.,.,.r, that there ara lignifant pfflallles for submitting fltse information, nckdng the pouibiiry of fine and fn1:,rtsonmH'i !or knoM'lg vlcations. See 111 Pa. C.S, § 904 (relallng 10 unsv.om falsiticatlon). Prepared By: Darren Bollman

Title:

Environmental Specialist License No.: Date: -=1"'12"21"'2"0-::2-=s------ -------- Q Q Q Q Q Q Q

g pennsylvania J..ta!rJ DCPARTMENT OF ENVIRONMENTAL _,.. PROTECTION Facihty Name. Municipahty. Watershed Laboratories; Beaver Valley Power Station Shippingport Borough 20-8 TestAmerica, BVPS Lab Flow pH 1 RI MGO Q s.u. 1 Sun 611125 Mon snn5 0.002 7.7 Tue 6/3125 Wed 6/4125 Thu 615125 Fri 616125 Set 6/1(25 2 Sun 6/8/25 Mon 6/0/25 Tue 6/1005 0.002 7.3 Wed 6/11!25 Thu 6/12/25 Fn tl/13125 Set 6/14125 3 Sun 6/15125 Mon 6/16125 0.002 8.0 Tue 6/17125 Wed 6/18125 Thu 6/19/25 Fn 6120/25 Sat 6121125 Sun 6122125 Mon 6'23(25 0.002 7.3 Tue 6!24125 Wed 6/25125 Thu 6f26f25 Fn 6f27f25 Sat 6'28125 5 Sun 6/29/25 Mon 6/30/25 Daily MMMn (Cone.) 7.3 O.itf ~(Conc)* Mo Avg WHkl)I (Cone.) Avg Monthly {Cone.) Gllomelric M-, (Cone.) Mu Avv Wffklo/ (LNd) 0,002 AvgMonthty{lOlld) 0.002 TOCIIMOf'llhlr(l.Ged) 0.008 °"" M...,....(loed) 0.002 °""Mu>num(loed)* 0.002 Q 3100.fM.eCW04JS l /2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver ~;~~t No.: fu~=~> 6:~11. -:-~-;- 5---- Renewal applicatJon due 180 day.s prior to expiration. This perrm t 'Mil e xp ire on: _o_c_to_b_er_3_1~, 2_0_2_6 _ TSS Oil and Gruse RI RI Q - Q Q Q Q 4.0 4.8 4.0 . 9 4.0 5.0 40 4.9 4.0 5.0 .0 0,07 o.oa 0.07 0.01 2 2 0.07 0.011 0.07 o.oa I ctttdy undlf pe,naiy of DNI It-.~._. pr.,-r9d under mt dir-=tion Of tup1:Mlion lnKCOrdlnce._.,. a ~dH9Md IO.-.n 1\\111 q..n.d pnonnitgllther an:levalulte tie lnformlllon ~ BaMd on "'f ~ of the perwn Of ptl'SOM ""° rranage the *ystem Of ttlOM penoM dirKdy responsitil lot plhering IMI lnf0ffll8lion, the WonNIIOn sutmlled ii, IO thli De* Ol lff/ ~ and belef, bi>>. ac:antl and 00!T1lfet*- I am._.. lhltltllre.. lignificenl p.nallief lct sutirnltrlg,_. inlonTIIID'I. i'ddng It'll~ of linl *nd ~ lor knoM,gvtofltJon&. S.. 18 Pa. C.S. f 4904 (r...-,g10..nsv,om lliill'lcabon) Prepared By: Darren Bollman

Title:

Environmental Specialist License No.* Date -=1"'12,..,21"'2,..,072"°5 ____ _________ _ Q Q Q Q Q Q Q

I Facility Name: Beaver Valley Power Station Municipahty: Shippingport Borough Watershed: 20-8 Laboratories: TestAmerlca, BVPS Lab Flow TSS 1 RI MGO 0 - 1 Sun 611/25 Mon 6/2125 0.0 Tue 6/3125 Wed 6/4/25 Thu 6/5125 Fn 616125 Sat 6(//25 2 Sun 6/8/25 Mon 619125 Tue 6/10/25 0,0 Wed 6/11/25 Thu 6/12/25 Fn 6/13125 Sot 6/14/25 Sun 6/15125 Mon 6/16125 0.0 Tue 6/17/25 Wed 6/18/25 Thu 6/19/25 Fri 6120/25 Set 6fl1/25 ,-. Sun 6122125 Mon 6123125 0.0 Tue 6fl4/25 Wed 6125125 Thu 6126/25 Fri 6fl7/25 Set 6128125 5 Sun 6/29/25 Mon 6/30/25 3100.fM-8CW04l5 l /Z012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver Month: 6 (MitdrKlmbtf) Year: -=2"'0"'25=------- Pennit No.: PA0025615 Outfall: 301 Renewal application due 180 days prior to exp1ra"tio~n-.----- This permit will expire on: -=0-=*~**-=b~**~'-='~* 2~0-=2~6 _____ _ OllandGreaH RI 0 - 0 Q Q Q Q Q 0...., Mivrl.lm (Cone.) OaitfMamun(Conc) Max Avg Wffklif (Cone.) Avg Monlhly(Conc.) Geomn1c,.,...,, (Cone.) Mu:AV9W...,.(La.d)* AvgMon~(L.otd) TocalMon~(Load) Ody Mrinun (l.ood) 0 --(1.ood) 0 I ctltlf'y Uldlt pendy of llwlhal !his doct.ment..,,.. pr..,artd undtf my dhction or ~Niaion In KCCll'ctanc. 'MIi'! *.,..iem dNlgned lo..,.. Iha! c:,.sallfl9cl perlOMII gathtf and evaluate lhe Information IUbmitted. S.Md on my lnqt.-y of the person or pe.nons 'ftho nMge the ll}"tem or those person1 drt:ctt,, rnponllble !Of gatMmg lhe WOffl'lltion. the nf<<matlon 6tbnia..ct ii, lo the best of "'I ~dge and betel. true ac:unte and complft I am*- tt. thetw are~~ f0f llubmittng fabe lnlomatxln, ~the pouibity oflne and~ lot kno'Mlg vio611ions. SN 18 Pa. C.S. S,904 (rellllinll IO umv,om lullllc:aucln). Prepared By: Darren Bollman License No.: _________________ _ TiUe: Environmental Specialist Date: -'7~/2~2/~2~0~2~5 _____________ _ Q Q Q Q 0 0

Cr. pennsylvania DEPARTMENT OF ENVIRONMENTAL PAOTKTION Facility Name Municipality Watershed Laboratories. Beaver Valley Power Station Shippingport Borough 20-8 TestAmerlca, BVPS Lab Flow pH 1 RI MGO Q s.u 1 s,n 611/25 Mon 612125 0.0 foe e/3125 Wed 61-4125 Th, 6/5/25 Fri fl/8/25 Set 617(25 2 5"n fl/8/25 Mon 6/0/25 r,e 15/101'25 Wed 6111/25 0.0 Th, 6112/25 Fn 6113/25 Set 6/1-4/25 3 Sun 6/15125 Mon 6/161'25 0.0 r,e 6117/25 Wed 6/18/25 To, 6/19/25 Fn 6f20f25 Set 6121/25 5"n 6/22/25 Mon 6f23f25 o.o Tue 6'2"25 Wed 6f25f25 Th, 6(26(25 Fn 6/27/2.5 Set 6'28125 5 Sun 6/29125 Mon 6/30f25 Ollitt Mnlmum {Cone.) DattMaxlrrun(Conc) Mall Avg Wff!Ut' (Cone.) Avg~ (Cone.)* Geofnff6cW.an(Conc.); MUA"9~{LcNl,d) AV9Motltiy(Load) Totlll Monf'ir (Load). 0.1'/M~(loacl) 0 --(loed) 0 Q JIOO.f'M-8CW04lli l /2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County Beaver Month 6 (MIid nunar) Year: 2025 PermitNo.. PA0025615 Outfall ~3~03~---- Renewal appltCation due 180 days prior to expiratton. This permit will expire on -'O"'ct-"o"'be""r'-'3'-'1'-', 2"0"'2=-6 _____ TSS Oil and Greue RI RI moll Q moll 0 Q Q Q I certdy undar ~ of lltwlt\\al ltw docunwC MS pr** undet tff/ di'tclion Of supeMlion Fl accordanoe IIIICtl. -r-m deagned lo..... M ~ penomal gllthti and ev... lhe lnfOffl'llllon llilmlbecl 8"ed en ffff ~ of 1he penon Of ptl'IOf'II 'llho managt. lhe.ystem OI lt'IOM pll'9CM chdtt responltil: lor ga,thlmg fM lnlonnltlon, lhe ~ llDl'll.. d II,"' tht: bHI ol mt ~ Ind btief true ac:cu-Ma and~- I am.,,.,. N lhetl.,.. llgnll'arll ~ lor IUbn'iUng fllwlnfomatlon. lnc:blr4llhe po..a.ty of lnl and~ IOI' kno-,gviolltions. S.. 18 PII. c.s. § *SKM {lNlllr4lto!a11WJm Wdlcalion). Prepared By: Darren Bollman TitJe: Environmental Specialist License No.: Date. ""'7""12,..,21""2,..,0"'2""5 _____________ _ Q Q Q Q Q Q Q

g pennsylvania J!llfl!'J/ DEPARTMENT or ENVl10NHfNTIII.. _,,. PROTECTION Facility Name. Muni~pahty Watershed Laboratories Beaver Valley Power Station Shippingport Borough 20-8 TestAmerica BVPS Lab Flow pH 1 RI MGO Q s.u. 1 Sun 611125 Mon 6f2/25 0.002 7.3 Tue 613125 Wed 614/25 Thu 615125 Fri 616125 Set 617125 2 Sun 618125 Mon 6/W25 Tue 6/10125 0.002 7.1 Wed 6111/25 Thu 6/12125 Fn 6113125 Set 6114125 3 Sun 6/15/25 Mon 6116125 0.002 7.3 Tue 6117/25 Wed 6/18/25 Thu 6/1'1125 Fri 6/20/25 Set 6/21/25 Sun 6122125 Mon 6123/25 0.002 7.1 Tue 6124125 Wed 6125125 Thu 6126125 Fri 6fl7125 Set 6128125 5 Sun 6129125 Mon 61301'25 o.it,' Mnmum (Cone:.) 7.1 O..,Maldnun(Conc:) 7.3 Max Avg Wukly (Cone.)* AvgMonthtf(Conc.) G41omeln; Mun (Cone.) MaxAvgW..idV(load} 0.002 AvgMonthtf (lMd) 0.002 T.... _(lood) 0.008 .,..,.......... (lood) 0.002 .,..,_(lood) 0.002 Q 3100.fM-BCW04H :J/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County Beawr ~:~~No.. -:-A-0~=~ ~:~11- -=;'-'~,-= 2 5---- Renewal apphcat1on due 180 days pnor to expiration. This permit will expire on: -"O'-'c"'to'-'b-'-*rcclcc1.,_, 2cc0c.=2.c.6 _____ TSS Oil and Grease RI RI Q - Q Q Q Q 20.7 4.8 10.5 25.3 4.9 26.6 4.9 10.5 26,6 26.8 20.8 0.4 0.08 0.3 0.08 10 2 0.2 0.08 0.4 0.08 I cal'llfy i.ndar penaly of ltwf\\lt this doct.mer1 was pr*r-d undlf mv drkfion ot auparvlaion In accordance Wl&I *system~ ID....,. lhal ~ panomel gathef and ev.,_. lhe rdormD>n II.brined. Bned on m, ~ ofthl l)UIOn << ~ Ylho mMaQt 1M system or moM pet10n&chdty rnponll::a for galtMmg hi norTT'llbon. the inlormalon ~ ii, kl 1he mll ol my~ Md belef. true aca.nt* and OOfl1llett I am..,.. ht lhaf9 w. ~ penallieslor~ fnlnl'ormaflon. ncia1glhe polllibilty dllne nd ~for~ Ylottlona.. S.. 11 P C.S t 8M {relqto ~ ~). Prepared By: Darren Bollman License No.. _________________ _

Title:

Environmental Specialist Date: ~7~/2~2/~2~0~2~5 ______ ___ ____ _ Q 0 Q Q Q 0 Q

frr. pennsylvania DEPARTMENT OF-ENVIRONMENTAL PflOT£CTION Facihty Name* Munic1pal1ty Watershed laboratories* Beaver Valley Power Station Shippingport Borough 20-8 TestAmerica BVPS Lab Flow pH RI MGO Q s.u. Sun 611125 Mon 61Z/25 0.001 7,8 Tue 613125 Wed 614/25 Thu 6/5/25 Fri 616125 Set 611125 2 Sun 818/25 Mon 6/0/25 Tue 6110/25 0.0 Wed 6/11/25 Thu 6/12/25 Fn 6/13/25 Set 6/1.4/25 3 Sun 6/15125 Mon 6/16125 0.001 Tue 6117125 Wed 6/18/25 Thu 6/1 9/25 Fri 6/20/25 Set 6/21/25 4 Sun 6122l25 Mon 6123125 0.001 7.5 Tue 6/24/25 Wed 6/25125 Thu 612f;125 Fn 6127125 Set 6128/25 5 Sun 6129125 Mon 6130/25 Dlt/Mriffllm(Conc.) 7.6 o at,, Maxtnun (Cone): 7.8 Max Avg Wffkly (Cone.) AvgM~(Conc.) G41omelrlc MHn (Cone.} MMAvgWMldif(Lold) 0.001 AvgMonHf(load) 0.001 TotlllMonthty(lold) 0.003 .............. (loed} 0 Oely Mblmum (loed} 0.001 Q ll00-FM-8CW0435 112012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County Beaver Month 6 l""""""""l Year. 2025 Pem rtNo.: PA0025615 Outfall ~4701=----- Rene"Wal appltcation due 180 days pnor to expiration. This permit will exp11e on* October 31 2026 TSS 011 and Grease RI RI Q - Q Q Q Q 4.0 4.8 4,0 4.9 4 4.8 4 4.9 4.0 4.9 4,0 4.9 0.03 0.04 0,03 0.04 0.03 0.0.C 0.03 0.04 I ct1'lfy I.Wm pe,ne,ly of ltw.,. mil documert 'Ml prepared urow rrPf *KIIOn Of~ In accudll'lce **system dHilgned kl..... M q.JIMtd pnonnM c,Mt'lt'f and wlluat* lhe womwon MJbmned. BaMd on mt inqLa'y oflhe par.m or,,.,__\\llho flWlaQt the syatem or 1hoN pencnadlrq,..,,.... for gllhemglM l'llonnltJon. 1hl. Womatlon IUbril&ed I& ID 1M bHI olm, lcnowedge N belef. true accwate and~ I amrt4N Mlhef9.-.as,,,ificenlpenallinlorllbnlCUng,.,_WorrNtion.n:l.dnglhtpolilllllyoflne*nd~forknoMig~. 5"18Pa.C.S.t4904(~1our.-"'°"'llllllllc:ation). Prepared By: Darren Bollman Trtle: Environmental Specialist License No.: Date: ~7-/2_21_2_0_2_5 _________ Q Q Q Q Q Q Q

g pennsylvania OEPARTMCNT Of" ENVtFIONHENTAL. PROTECTION Facility Name Mun1cipal1ty* Watershed Laboratories Beaver Valley Power Station Shippingport Borough 20-8 TestAmerica, BVPS lab Flow pH 1 RI MGO Q s.u 1 Sun 611125 Mon 6/2/25 0.0 Tue 6/3/25 Wed 614/25 Thu 615/25 Fri 616125 Set 617'25 2 Sun 6/8125 Mon 619125 Tue 6/101"25 Wed 6/11/25 0.0 Thu 6/12125 6/13/25 Set 6/14/25 3 Sun 6/15125 Mon 6/16125 00 Tue 6/17/25 Wod 6/18/25 Thu 6/19/25 6/20/25 Set 6fl1/25 Sun 6122125 Mon 6/23125 0.0 Tue 6'24125 Wed 6/25125 Thu 6f26f25 Fri 612.712.5 Set 6'28125 5 Sun 6129J25 Mon 6/30125 Dai., Ml'lfflJm (Cone.) Delty-(Cono) Mu Avg Weekly (Cone.); Avg MontNy (Cone.); Geomtri:Mun(Conc.) ........ _(loed) AYg Monlhty (load) TotalMonH/~ 0-,,.......... (loed) 0 0-,,........,,(loed) 0 Q 3100.fM-8CW04l5 l /2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County Beaver ~: ::,,~ No.: -:-A-0~;-:, ~ ~".:.11 -=!"'~3=- 25'----- Renewal apphcatJon due 180 days pnor to expiration. This permit will expire on: -'O~*cc*o~be~*~3~1~, =-20~2~6 _____ _ TRC TSS 011 *nd GreHe NHl-N Total Chromium Total Zinc RI RI RI RI RI RI Q - Q - Q - Q - Q - I oaftlfy undlt pe,naly of ltwlhat 1h11 doc:t.wT'llr<<,.... pr991red undw m, clhclion o, tupaMlion In aocordanct "'11t!

  • syem dHlgned IO.....,,_~,,....,,..... gather and tvNlat* 1M: Womatbn attirriDed. SINd on m,

...-y ofltM peNOn ot ~ who manave 1he syste,m ot thou pwsonadrKff rNpOnllb6l lof pltwrlQ l'le WOffl'llfbn. the Wormdon ~ la, IDlhe bfflofn-, lcno'llledgl and belef. true accuraleand c:on1'tte. I amaMR: thallher.arellgnjficentpl'l'lolllbeslotllbrilling,._Womaoon. ~IMponibltyoflneand~klrknoMlgvtalilbonl. S..18P C.S.S~(NlllngtoUM'Mlffl~}. Prepared By: Darren Bollman License No.. ----- -------------

Title:

Environmental Specialist Date: ~7~/2~2/~2~0~2~5 _ Hydrazine Nak:o H150M RI RI Q - Q - Q Q Q Q Q

g pennsylvania ,,,.,,, DEPARTMENT OF ENVIRONMENTAL .... PROTECTION Facility Name: Beaver Valley Power Station Municipality: Shippingport Borough Watershed: 20-B Laboratories: TestAmerica, BVPS Lab Flow pH 1 RI w.., Dav Date MGO Q s.u. 1 Sun 6/1/25 Mon 612125 0.0 Tue 6/3/25 Wed 6/4/25 Thu 6/5/25 Fri 6/6/25 Sat 6/7/25 2 Sun 6/8/25 Mon 6/9/25 Tue 6/10/25 Wed 6/11/25 0.0 Thu 6/12/25 Fri 6/13125 Sal 6/14/25 3 Sun 6/15/25 Mon 6/16125 0.0 Tue 6/17/25 Wed 6/18/25 Thu 6/19/25 Fri 6(20/25 Sat 6/21/25 4 Sun 6/22125 Mon 6/23/25 0.0 Tue 6/24/25 Wed 6/25/25 Thu 6/26/25 Fri 6ll.7/2.S Sat 6/28125 5 Sun 6/2.9/25 Mon 6/30/25 Dally Ml'lfflJm (Cone.)* Dally Maximum (Cone): Max Avg We.kty (Cone.)' Avg Monthtj {Cone.)* Geometric MHn (C6ne.)* MaxAvgWeekl)'(Load)

  1. REFI Avg Monthly (load):
  2. REF!

Tot.I Monthly (load)

  1. REFI DalyMlnirrum(Load)*

0

  1. REF!

OalyM&ldm.Jm(Load)* 0

  1. REF!

Q 3100.f~CW0435 3/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver Month: _6_(..ei nuni>et) Year: 2025 PermitNo.: PA0025615 Outfall: 01 ____ Renewal application due 180 days prior to expiration. This permit will expire on: ..,o"c-"to""b"'er'-'3'-'1'- 2"'0"'2"-6 _____ TSS Olland Gtean NH3-N Hydrazine RI RI RI RI moll Q moll Q moll Q - Q Q

  1. REF!
  2. REF!
  3. REF!
  4. REF!
  5. REFI
  6. REF!
  7. REF!
  8. REF!

IREFI

  1. REF!
  2. REF!
  3. REF!
  4. REF!

IREFI

  1. REF!
  2. REF!
  3. REF!
  4. REFI
  5. REF!
  6. REF!

IREFI IREFI

  1. REF!
  2. REF!
  3. REF!
  4. REF!
  5. REF!
  6. REFI
  7. REF!
  8. REF!

I certify ~ penuy ol law that 1h11 document MS prepared under "'I direction Of..upervislon in ac()O(dar!e. 'oWl'1 a sr-tem dulgned lo aa1ue lhal quall'led peBON'181 gather and 111alul1e the information 11.lbrmted. Based on mt ~ of the person Of pe~ W'IO manage the system Of thole perlOf'II clrecdy re5POl'lsible for gathllTlg lhe Information, the Information wbrritted ii, to the best ol mt knov,4edge and belel. true. aeeurate and con,.,iete. I am aware that there are lignifltan4; f)ln8IMs IOf MJbmittlng fahe infom.tiof'l, lnekJclng the poulbllity of fine and rnprisorvnent for kno\\Wlgvlcatlona. SH 18 Pa. C.S. § 4904 (re!atriitoUM'MJffl lllsfficalion). Prepared By: Darren Bollman

Title:

Environmental Specialist License No.: Date: -=7"'12cc21"'2cco-:2cc5------------ -- Q Q Q Q Q Q Q

  1. REF!
  2. REF!
  3. REF!
  4. REFI
  5. REFI
  6. REFI
  7. REF!
  8. REFI
  9. REF!
  10. REF!
  11. REF!
  12. REF!
  13. REF!
  14. REF!
  15. REFI
  16. REF!
  17. REF!
  18. REF!
  19. REF!
  20. REF!
  21. REF!
  22. REF!
  23. REF!
  24. REF!
  25. REF!
  26. REF!
  27. REF!
  28. REF!
  29. REF!
  30. REF!
  31. REF!
  32. REF!
  33. REF!
  34. REF!
  35. REF!

Cr. pennsylvania DEPARTMENT Of ENVIAONMEHTAL PROTECTION Facility Name. Municipality: Beaver Valley Power Station Shippingport Borough Watershed: 20-S Laboratories: TestAmerica, BVPS Lab Flow pH 1 RI MGO Q S.U. 1 Sun 611'25 Mon 6/2/25 0.0 Tue 6/3/25 Wed 614125 Thu 615125 Fri 6/6/25 Sat 6fl/25 2 Sun 6/8(25 Mon 6/9/25 Tue 6110/25 Wed 6/11/25 0.0 Thu 6/12/25 Fn 6113125 Set 6/14/25 3 Sun 6/15125 Mon 6/16/25 0.0 Tue 6/17125 Wed 6/18/25 Thu 6/19/25 Fri 6/20/25 Sat 6'21/25 Sun 6/22/25 Mon 6/23/25 0.0 Tue 6124/25 Wed 6/25/25 Thu 6/26/25 Fri 6fl.7125 Set 6/28/25 5 Sun 6/29/25 Mon 6/30/25 Oat/ Mi1m.lm (Cone.)* Oalty Maximum (Cone) Max AVV we.ia, (Cone.) Avg Monthtf (Cone,)* Geometric Mean (Cone.)* Mo:AvgWeeldy(Load) tREF! AvgMonlhty(load)

  1. REFI T""""""""(Loed) tREFI OdrMimun(load) 0
  2. REF!

Dely..........., (Loed) 0 IREFI Q 3IOO.fM-6CWD436 3/2012: SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver ~:::n~f No.: -:-A-O~;';,;mi.> 6~11: -=;c::c~f:: 5=----- Renewal application due 180 days prior to expiration. This permit will expire on: ~O'-'c'-"toccbe=* 3'-'1"-='20c,2c,c6 _____ TSS Oil and Grease NH3-N Hydrazine RI RI RI RI Q - Q - Q -~ Q Q tREFI IREF! tREFI IREFI

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IREFI I certify undlf penaty of.. w !hat this doclXnent...,., prepared undef rw, dhction << aupervt.lon In KCOrctanc. 'lllttl'I

  • syt,tem de9lgned lo aaae 1h11 quaMe,d pe,rl0l'1MI gather and evaluate f\\e Information subnitled. BaNcf on rw, nquwy of the pel'IOl'I << pel"IOl'l& W\\0 mat19 lhe system<< thoN ~

drldty ~ kif galhemg the lnfomatbn. the lnf0ffl1U01'1 submtted 111, kl the be* of mt kno-.-dge and belef, true, acante and 00ff'41N:1*. I am aMr. that tMfe W9119"fican1 penalin lot l,IJbnibig,._ Womallon, ~the poulbiliry of line and lqlrisoMwr<< I<< kno\\Wlg vtolltions. 5" 18 Pa. C.S. § 4904 (r*bng to unsw::m falsl"ation). Prepared By: Darren Bollman License No.: ________________ _

Title:

Environmental Specialist Date: -'-7""/2"'2/"'2'-"0=-25=--------------- Q Q Q Q Q Q Q tREFI

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L-25-150 ENCLOSURE D

i..; !?,,_:~NT~~!'!~.~!120~=0 " SUPPLEMENTAL REPORT-COOLING WATER INTAKE MONITORING 3800-FM-BCW0010 2/2020 Facility Name: Beaver Valley Power Station - Unit 1 Month: _J_u_n_e ________ _ Year: 2025 Municipality: Shippingport Borough County: Beaver NPDES Permit No.: PA0025615 Watershed: 20-B 20-D Renewal application due 180 days prior to expiration. This permit will expire on: October 31, 2026 Actual Intake Flow Cooling Water Make-Up Water Slowdown Volume Cycles of Actual Through Withdrawal Concentration Screen Velocity Day MGD MGD Million Gallons Million Gallons fps 1 1.79 2 1.74 3 1.82 4 1.96 5 1.98 6 1.95 7 1.65 8 1.75 9 1.84 10 1.93 11 2.05 12 1.86 13 1.89 14 1.79 15 1.76 16 1.69 17 1.77 18 1.81 19 1.77 20 1.9 21 1.56 22 1.77 23 1.86 24 1.75 25 1.64 26 1.76 27 1.75 28 2.1 29 1.9 30 1.64 31 Average 1.8 Maximum 2.1 I certify under penalty of law that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. See 18 Pa. C.S. § 4904 (relating to unsworn falsification). Prepared By: Darren Bollman License No:

Title:

Environmental Specialist Date: 7/22/2025

~~'~ ""'~~,!~~'~!!~0?.cno* SUPPLEMENTAL REPORT-COOLING WATER INTAKE MONITORING 3800-FM-BCW0010 2/2020 Facility Name: Beaver Valley Power Station - Unit 2 Month: _J_u_n_e ________ _ Year: 2025 Municipality: Shippingport Borough County: Beaver NPDES Permit No.: PA0025615 Watershed: 20-B 20-D Renewal application due 180 days prior to expiration. This permit will expire on: October 31, 2026 Actual Intake Flow Cooling Water Make-Up Water Blowdown Volume Cycles of Actual Through Withdrawal Concentration Screen Velocity Day MGD MGD Million Gallons Million Gallons fps 1 1.89 2 1.87 3 1.95 4 2.15 5 2.15 6 2.18 7 1.86 8 1.97 9 2.01 10 2.08 11 2.24 12 2.0 13 2.1 14 2.11 15 2.1 16 2.2 17 2.27 18 2.34 19 2.2 20 2.34 21 2.05 22 2.19 23 2.49 24 2.31 25 2.12 26 2.28 27 2.22 28 2.1 29 2.44 30 2.12 31 Average 2.1 Maximum 2.5 I certify under penalty of law that this document was prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is, to the best of my knov.'ledge and belief, true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. See 18 Pa. C.S. § 4904 (relating to unsworn falsification). Prepared By: Darren Bollman License No.:

Title:

Environmental Specialist Date: _7_/_2_2_/2_0_2_5 _____________ _

L-25-150 ENCLOSURE E

3800-FM-BCW0462 12/2016 pennsylvania ,.,,g DEPARTMElfl Of El<VIRO MENTAL ~ PROTeCTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 111 E MARKET ST, AKRON OH, oW308-2014 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 111, SHIPPINGPORT PA, 15077 STAGE: Fina! Effluent PARAMETERS REPORTED VALUES PARAMETER pH (00400) Parmlt RaquRlmlnt Tolll Su:apendeel Solldl (00$30) Plirrnlt Requnmtnt OH and GrNM (00558) ~ Raqun ment Iran, Tctal (Qt045) Sampla MNaurement Plinrit ~ Uftrntnt FadHty a.,npllng Point C-nta COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA.0025615 I OOTFALL':UMBER I PERMIT NUMBER MONITORING PERKX> YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 2025 OI 30 Reporting Frequency: DMR Ellective From: DMR Ellective To: Penni! Expires: Permit Application Due: No Dlacharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 7.1 8.U. Dolly-I.I mg/I. Monlllor&Repo,t Dally- <3.1 mg/I. Monitor & Repo,t Delly - mg/I. Monllcr & Report Dally - Privacy Polley I Security Polley Copyright C2016 Common-alth of Pennsylvania. All Rights Reserved Semi-Annually 01/01/2025 Oll30l2025 10/31/202II 05I04l202II D SAMPLING FREQUENCY SAMPLING TYPE Grab G,.b Grab o... o... o... o... G,.b

3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTMENT OF ENVIRO MENTAL atZ5 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1118 E MARKET ST, AKRON OH, 4430S-2014 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1118, SHIPPINGPORT PA, 15077 STAGE: Final Effluent PARAMETERS REPORTED VALUES PARAMETER pH (00400) Total&~ 8ollds(00530) PermNReq~ Oll andGfMN(0065CI) Pennlt R11quir.m.nt Iron, Tctel (01CM5) S.mpla MusurMWnt Ptrmn R,qul191Nnt Flow (l50000) Sampla~nt Pllnnlt Rt,qul.-.ment FKlllt1 a.mpUng,o1n1 Commlnb COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTlON BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA0025115 I I OOTFALL-NUMBER I PERMIT NUMBER MONITORING PERlOO YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 2025 OIi 30 Reporting FlllqUOOCy. DMRE!lediwFrom: OMR E!reclhle To: Permit Expires: Permit Applcallon Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 1.2 s.u. Dolly- <-4.0 Dolly-Dolly-Dolly- .003 MGD O.lly Mu Privacy Polley I Security Polley Copyright ©2016 Commonwealth of Pennsylvania. All Rights Reserved Semi-Annually 01/01/2025 06/30/2025 10/31/2026 05/04/2026 D SAMPLING FREQUENCY SAMPLING TYPE a..

  • 1111 months a..
  • o...

o.., o... o.., o... 1J8monctl* o...

3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTME'lT OF ENVIRO MENTAL SZ9 PROTECTJO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 168 E MARKET ST, AKRON OH, 44308-2014 FACILITY: F1RSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 168, SHIPPINGPORT PA, 1son STAGE: Flnal Effluent PARAMETERS REPORTED VALUES PARAMETER pH (00400) PermltRaqulrllfMnt Toa!S~ 8olldt(DD530) SamplaMeuuremant Permit Requirement OllandGrauo{ooooe) Sample Meuuraqnt Permll: Requltament _.., Total (0104!5) Sample Meaur.mant Peffllit Requl,anwnt FKttly latnpllnt Point Coffimlnb COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA002.5115 011 PERMIT NUMBER OUTFAU. NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 2025 CNS 30 Reporting Frequency: DMR Effective From: DMR Effective To: Penni! Expires: Penni! Application Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 7.1 8.U. Dally-1.2 Monlor"&Report Dolly- <UI Monitor & Report O.llyMu .2 MonltDr& Report DallyMIX Privacy Polley I Security Polley Copyright@2016 Commonwealth of Pennsylvania. All Rights Reserved Semi.Annually 01/01/2025 08/30/2025 10/31/2026 05/04/2026 SAMPLING FREQUENCY SAMPLING TYPE Grab Grab Grab 1/Bmonlhs G,ab G,ab G,ab G,ab G,ab

3800-FM-BCW046212/2016 pennsylvania ,.-ill!!'3 DEPARTME~ OF Et<VIRO MENTAL Sl!5 PROTECTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 188 E MARKET ST, AKRON OH, 44308-2014 FACILITY: ARSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 188, SHIPPINGPORT PA, 150TT STAGE: Anal Effluent PARAMETERS REPORTED VALUES PARAMETER Talal Suapended 8olde (00530) Oil and "'"""'(DOOOe) Iron, Total (01045) hdlly.. rnpllng Point Comments COMMONWEALllf OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DIIR} PA0025&15 I OOTF~ 1

MBER I PERMIT NUMBER MONITORJNG PERl00 YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 2025 06 30 Repor1k,g Frequency:

DMR EflaclMt From: DMR Ellectlve To: PennltExpres: Pennlt Appllcallon Due: No lliodlarge: QUANTITY OR LOADING QUANTITY OR CDNCENTIRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS DollyMa <3.8 Doi~- 2 Monb&Repo,t DollyMa Privacy Polley I Security Polley Copyright ©2016 Common-lth of Pennsylvanla. All Rights Reserved Semi.Annually 01/01/2025 08/30/2025 10/31/2026 0S/04/2026 D SAMPLING FREQUENCY SAMPLING TYPE o... 1111 months Glab Glab G1ab G1ab 1/8months G1ab

3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTME"4T OF ENVIRO MENTAL SZ5 PROTECTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 168 E MARKET ST, AKRON OH, 44308-2014 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 168, SHIPPINGPORT PA, 15077 STAGE: Final Effluent PARAMETERS REPORTED VALUES PARAMETER (00530) Ol and-(00000) Parmit Requnm.nt Iron, Total (0104&) Semple MNsu/'9fMnt ~ Require~ Fdlty a.mpflng 9'olnt ConwMnta COMMONWEAL TH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PAII025615 I OOTF::MBER I PERMIT NUMBER MONITORING PERIOO YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 2025 OIi 30 Reporting Frequency: DMR ElledNe From: DMR Elfecttve To: Permit Expres: Permit Appllcatlon Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 0o1r- < 3"1 0o11r-1.2 Doily-Privacy Polley I Security Polley CopyrlghtC2016 Commonwealth of Pennsylvanla. All Rights Reserved Semi-Annually 01/01/2025 oe/30/2025 10/31/2026 05/04/2026 D SAMPLING FREQUENCY SAMPLING TYPE G... a..

  • 118monh G,ab G,ab a..
  • 3800-FM-BCW0462 12/2016 pennsylvania

,~ DEPARTMENT Of ENVIRO MENTAl Sll!!II PROTECTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1111 E MARKET ST, AKRON OH, 44308-z014 FACILITY: ARSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 1811, SHIPPINGPORT PA, 15077 STAGE: Anal Effluent PARAMETERS REPORTED VALUES PARAMETER pH (00400) TolalB--(00!30) CM! nd ar... (00558) PermltReq~ Iran, Tami (0104!) PonnilReq-Flow(l!0050) FedHly lamptlng Polnl Conwnenta COMMONWEALTH OF PENNSYLVANIA DEPARTIIENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA002!11115 I I OOTF;:UMBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 21125 Ol5 30 Reporting F,_,c:y: DMR E1ledhle From: DMR Effedh,e To: -Expres: Permit Application Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VAUJE VAUJE UNITS VAUJE VALUE VALUE UNITS S.U Dolly-13.4 Dolly-C3.I .3 Dolly-011 MG0 Privacy Polley I Security Polley Copyright 02016 Common-alth of Pennsylvania. All Rights Reserved Semi-Annually 01}01/2025 0l/3Cl/2025 111131/2026 05I04l2026 D SAIIPUNGFREQUENCY SAMPLING TYPE o..

  • 1#8monltll o..
  • c...

c... o..

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  • 3800-FM-BCW0462 12/2016 pennsylvania

,~ DEPIIRTMENT OF EIWIROl'<MENTAL 'a:t!5 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 168 E MARKET ST, AKRON OH, -14 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 188, SHIPPINGPORT PA, 15077 STAGE: '-F"--lna= I E""ffl-"u"-e'--'nt"------------------- PARAMETERS REPORTED VALUES PARAMETER pH(00400) 1...i*--,000:,0, OUand.,,._(00000) Iran, Tat.1(01045) Permit Raqunmenl Pefflllt Raqunment FacUlty lrnpll ng Paint Comrnanb COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA0025615 IOUTF::_ I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 2025 06 30 Reports,g Frequency: DMR Efledr,,e From: OMR Ellectlw To: Penni! Expires: Penril Application Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS s.u. 30.0 Dolly- <3,8 Dolly-1.0 Dolly- .028 MGD Monltor&.Report 0.llyMax Privacy Polley I Security Polley Copyright ©2016 Commonwealth of Pennsylvania. All Rights Reserved Semi-Annually 01/01/2025 06/30/2025 10/31/2028 05/04/2026 D SAMPLING FREQUENCY SAMPLING TYPE G,ab G,ab G,ab 1Jllmonths G,ab 1/0monlhs G,ab G,ab 1/0monlhs G,ab 1Jllmonlha G,ab

3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTMENT Of ENVIRO MENTAi. Sl!5 PROTECTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 168 E MARKET ST, AKRON OH, 44308-2014 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 168, SHIPPINGPORT PA, 15077 STAGE: Fina! Effluent PARAMETERS REPORTED VALUES PARAMETER pH(""""') r""' * --(00030) OitanCIO..U.(00500) Sample~,. Iran, Tatalf0104!1) PllrmltRaquirer,.-t Parmll Raqunment F11clHty a.mp11ne hint CofNMnta COMMONWEALTH OF PENNSYLVANIA DEPARTIIENT OF ENVIRONMENTAL PROTECTlON BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DIIR) PA0025615 I 00TF::MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 2025 OS 30 Reporting Fn,quency: DMR Eflectiwl Fran: DMR Eflectiwl To: Permit Expns: Permit Appllcatlan Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS s.u Dolly - 28.1 -~ 0olly- < 3.11 Monlor &Repo,t 0olly-0olly-008 MClO Oolly-Privacy Polley I Security Polley Copyrtght ©2016 Common-alth of Pennsylvania. All Rights Reserved Semi-Annually 01/01/2025 06/30/2025 10/3112026 05/04/2026 SAMPLING FREQUENCY SAMPLING TYPE G1ab G1ab Glab tllmonlha G1ab 119montha G1ab G1ab Glab G1ab

3800-FM-BCW0462 12/2016 8 pennsylvania J~ DEPARTMENT OF EIWIRO MENTAL 'at/9 PROTECTIO NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 168 E MARKET ST, AKRON OH, ~14 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 168, SHIPPINGPORT PA, 150n STAGE: '--F"' lna-"-1'-'E"-ffl"-'ue=nt'---------------- PARAMETERS REPORTED VALUES PARAMETER pH(OOCOO) ,...,._,.,.....,.(00530) °""""°'"""(..... ) tron, Tatal (Ot045) Flow(500!50) Facttlty a.,npilng ~nl Commanta COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PAIICl2:!il15 I OOTF:~MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 2025 06 so Reporting Frequency: llMR E!lec:IMI From: DMR E!lec:IMI To: Penrit Expires: Penrit Appllcatlon Due: No Disc:ha,ge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS I.I S.U Dolly-Mo <U MO Dolly-u MO MO DmlyMa 002 MGO DoJ!yMo* Privacy Polley I Security Polley Copyr1ght@2016 Commonwealth of Pennsylvanlao All Rights Reserved Semi-Annually 01/01/2025 08/30/2025 10/31/2028 05/04/2028 D SAMPLING FREQUENCY SAMPLING TYPE G... a.., a.., a.., a.., a.., a.., a..,

3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTMENT OF ENVIRO MENTAL a:ti!5 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 168 E MARKET ST, AKRON OH, 443Cll-2014 FACILITY: FlRSTENERGY BEAVER VAUEY POWER STATION 1 LOCATION: PA ROUTE 168, SHIPPINGPORT PA, 15077 STAGE: -'-Fl"-na= I Eccffl=ue'-'nt'-'------------------ PARAMETERS REPORTED VALUES PARAMETER pH(00400) T,_,Su,pondod8o6da(00030) OU *ndGrNN (msse) ,,.,.,.Requnmen1 Iran, Tat.el(01D45) PwmlReq!.hmenc ,,...,..... ) PennltR.eqUftffllll'll fadllty la,npllng Polnl COfflfMf'lb COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DIIR) PA002!5615 100TF::~1 PERMIT NUMBER MONITORING PERIOO YEAR MO DAY YEAR MO DAY FROM 2025 01 01 TO 21125 05 30 Reporting Frequency: DMR Ellecllw From: DMR Effective To: Permit Expires: Permit Application Due: No Dlscherge: QUAHTTTY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS 10 SU Dolly-3UI Dolly- <3.8 Monllot & Report Dolly-1.0 Monilcw"&Report Dolly-MOO Dolly-Privacy Polley I Security Polley Copyrlght@2016 Commonwealth of Pennsylvania. All Rights Reserved Semi-Annually 01/01/2025 08l30/2025 10/31/2026 05/IMl2021I D SAMPLING FREQUENCY SAMPLING TYPE G'"b 1.. monlhl o.., 1Mmonlhs o.., 1Mmonlht o.., o.., O..b O..b

3800-FM-BCW0462 12/2016 pennsylvania J~ DEPARTMENT OF ENVIRO MENTAL 'at1!5 PROTECTIO ATTACHMENT DETAILS H18VNPl'_Doly_pdf _OMR COlll'llr utll!tr JUNE 2025-...,._,.pdf PERMIT VIOLATIONS I.....,_,,....,0 I --- I...,..,,..,. UNAUTHORIZED DISCHARGES .__Typo COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE IIONITORING REPORT (DMR) 2025-073T13:20:45-04Dl eo,w,- 2025-07--21T14SDl-04:tl0 Uni c.u.oor~ Non-Cofflplia~ID EwntltfflO.. h9nl~O.. O.. ndTlrMDIM::GIINnd _..,., ---On-

c.... or DIKhllrge OTHER PERMIT VIOLATIONS I.....,_,,..,..., I COMMENT DETAILS SUBMISSION INFORMATION Non-CompUence Type
  • Pursuant to the Pennsylvania Electronic Tranaactlons Act - Act 69, effective Janua,y 15, 2002, you are about to engage In an electronic tranaactlon with the Commonwealth of Pennsylvania. You are submitting official Information. You certify under penalty of law that this document and all attachments were prepared under your direction or supervision In accordance with a system designed to assure that qualified pe1110nnel gather and evaluate the Information submitted. Based on your lnqul,y of the pe1110n or pe1110ns who manage the system or those persons directly responsible for gathering the lnformaHon, the Information submitted Is, to the best of your knowledge and belief, true, accurate and complete. You are awere that any falsa statement may be subject lo substantial civil and criminal penalties, Including 18 P.S. sactlon 4904 (relating to unswom falsification to authorities).

Privacy Polley I Security Policy 0penllor Certlflcallon Numbtr TELEPHONE Robert Krtotophel (724) SUBMITTED BY AREA CODE FULL NAME Copyrlght~016 Common-alth of Pennsylvania. All Rights Reserved 882-7773 NUMBER -c:-a Data and ThM DEP Notffleel o..uy ,.._Llfflll c......... Oparator Contact Nufflber DATE 2025 07 YEAR MO 28 DAY

L-25-150 ENCLOSURE F

I_ @ pennsylvania r~ DEPARTMENT OF ENVIRONMENTAL '11111!11 PROTECTION Facility Name Municipality: Beaver Valley Power Station Shippingport Borough 20-B Watershed* Laboratories: TestAmerica, BVPS Lab Flow 1 w... Dey Date MGO Q Thu 5/1/25 Fri 5/2/25 Set 513/25 1 Sun 5/4/25 Mon 5/5125 Tue SJS/25 Wed 5f7/25 Thu 5/8125 Fn 519/25 Set 5/10/25 2 Sun 5111/25 Mon 5/12/25 Tue 5/13125 Wed 5/14/25 Thu 5/15/25 Fri 5116/25 Sat 5/17125 3 Sun 5/18125 Mon 5/19/25 Tue 5/20/25 Wed 5/21/25 Thu 5/22/25 Fri 5123/25 Sat 5/24/25 4 Sun 5/25/25 Mon 5/26125 Tue 5/27/25 Wed 5/28125 Thu 5/29'25 Fn 5130/25 Set 5/31/25 5 Daly Minimum (Cone.) O.tf Mu.mum (Cone) Mu Avg Weektf (Cone.); Avg Monthly (Cone.) a.on.Irie Mun (Cone.) Mu AVV WNkly (load) AvgMorttwy(Loacl) TotalMonthlr(lo..:I) Oely-(Lood) Ody..........,,(Lood) pH 1 s.u. 7.6 7.6 7.6 Q 3100-FM-aCW04U )12012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County* Beaver Month _5_t*led~ Year. 2025 Pennlt No. ~~~~-~ Outtan: 03 ____ _ Renewal application due 180 days prior to expiration. This permit will expire on: -'O"'ct"o"'b""er'-'3"1'-', 2"'0"'2"-6 _____ TSS Oil and Grease Total Iron 1 1 1 Q - Q - Q Q Q 6.6 3.8 0.15 6.6 3.8 0.15 6.6 3.8 0.15 6.6 3.8 0.15 6.6 3.8 0.15 I cenify IA'lCMf penaly of llwlhal lhd docunMm WH p,epwed \\.ndef mt cirtdlon or tup<<Vllion In ac:cordlnce'l\\ldtt

  • sy<<emOHignedto a_,rw that~~ gather and walua!e the Information subrnb.ct. Bned on "'I inqulfy of tha pat90n or paraons MCI manage the ay.tem Of those persons chdtf rnponslbla for galhemg Iha informlbon, tha lnfomation SIJtlnihcl la. lo tha t:ia* of rfP/ ~

and belief, true accurala and COfflllet*- I am aMN that !Mra are.ig,,lt'teantpenaliHforaubdlngia.lnformation, lndUdnglhapc,9slbltyoffineand~ntlorkl'10'M'lgvlolmon5. See18PLC,S.t~(rtlamglounsv.omfatsrftcation). Prepared By: James Harvey

Title:

Senior Environmental Specialist License No.:=_,.--,,.--------------- Date: 7/22/2025 Q Q Q Q Q Q Q

g pennsylvania J~ DEPARTMENT OF ENVIRONMENTAL '.a PROTECTION Facility Name Municipality Watershed. Laboratories* Beaver Valley Power Station Shippingport Borough 20-B TestAmerica, BVPS Lab Flow pH 1 1 WHk Dey Date MGO Q s.u. Thu 5/1/25 Fn 512/25 Sal 5/3/25 1 Sun 5/4/25 Mon 515/25 Tue 5J6/25 Wed sn12s Thu 518125 Fn 519125 Sat 5/10/25 2 Sun 5/11/25 Mon 5/12/25 Tue 5/13125 Wed 5/14/25 Thu 5/15125 Fn 5116/25 Sal 5117/25 3 Sun 5/18/25 Mon 5/19/25 Tue 5/20/25 Wed 5/21/25 0.003 8.2 Thu 5122125 Fri 5/23/25 Sat 5124/25 4 Sun 5125/25 Mon 5/26125 Tue 5/2.7/25 Wed 5/28125 Thu 5129/25 F,1 5/30/25 Set 5/31/25 5 Daly MnnaJffl (Cone.) 8.2 Daly Maximum (Cone) 8.2 Max Avg Wee~ (Cone.) AVV Mmhty (Cone.) Geomettic Me<<1 (Cone.)* MaxAV9WfHl/d,f(Load) 0.003 Avg Montliy (LoadJ 0.003 Total Monthly(loed) 0.003 Daly-(load) 0.003 OaOyM-(load) 0.003 Q ll00-FM-BCW0436 l /2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County* Beaver TSS OIi and Greau 1 1 Q Q 4.0 3,8 4 3.8 4 3.8 4 3.8 3.8 0.1 0.1 0.1 0.1 3 3 0.1 0,1 0.1 0.1 Month _5_(""""'""") Pennlt No.: Year Outfall* 2025 008 Renewal application due 180 days prior to expiration. This permit will expire on: -'O"'ct"o"'b"'*rcc>cc1.,_, 2"'0"'2-'-*------ Total Iron 1 - Q Q Q 0,1 0,1 0,1 0.1 0.1 0.003 0.003 0.08 0,003 0.003 I certify und9r peNlly or llwthat this document v.as prepared UO<Mr my drecllon or su~ In aocordance.....ih

  • s,stem ~

to *ssure 1h11 quaified penronMI gather and 9Yllual* lh* lnforrr.tlon IUbrniled. Based on IT\\' Inquiry olthepersonorper90nSY!tlorr-nagethefPfstemorthoNpersonsdnctiv respon:lib6eforg11h.mglhelnformetlon.hlnforntionaubmlll..::lll,tolhe bestol rntkno\\!Mdgeandt.llef,true.acanteand00"1Qte. l m v.e.rthalthtrt are llgni6canl penaltH lor IUbmltng fa!le lnfOffl'ation, lnckldinglhe possllaty of fine and ln1lf1M1M11:nl lot" knowngviolatlons SH 18 Pa. C.S. t 9CM (retltingto Unl'l'IOm fahlficatlon). Prepared By:..::J;:cam=es"-"Hc:carv

..:..::e,._y _ ___ ~--------

Tltle Senior Environmental Specialist License No.:=~~~--- ---- ------- Date: _7_/2_21_2_0_2_5 _________ ____ _ Q Q Q Q Q Q Q

g pennsylvania J~ DEPARTMENT OF ENVIRONMEN1Al 'a/Ill PROTECTION Facility Name Mun1cipahty: Seaver Valley Power Station Shippingport Borough Watershed: 20-8 Laboratories* TestAmerica, BVPS Lab Flow pH MGO 0 S.U Thu 5/1/25 Fu 5/2125 Sat 5/3/25 Sun 5/4/25 Mon 5/5/25 Tue 516/25 Wed 5f7/25 Thu 518125 Fn 519125 Sat S/10/25 2 Sun 5/11'15 Mon 5/12/25 Tue 5/13/25 Wed 5/14/25 Thu 5115125 Fn S/16/25 Sat 5117/25 3 Sun 5/18/25 Mon 5119/25 Tue 5120/25 Wed 5/21/25 7.9 Thu 5122125 Fn 5/23125 Sat 5/24125 4 Sun 5125125 Mon 5/26/25 Tue 5127/25 Wed S/28/25 Thu 5'2:9!25 Fn 5/30/25 Sat 5/31/25 5 Daly Minimum (Cone.)* 7,9 Oat{ MmTUn (Cone) 7.9 Max Avg WHkly (Cone.) Avg Monthly (Cone.) Geomt~ MMn (Cone.) MaxAvvWHl,of(lol!d) AvgM~(Loed) TotalMonlhly(Lo.d) Ody MinirnJm(loed) Oally""""""(loedJ Q 3100-FM-8CW04l5 l f2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING Month _5_1....,-i Year -"2'-0~25 ____ _ County: Beaver Permrt No.. -----~ Outfall. ~0_11 _ Renewal application due 180 days prior to expiration. This permit will expire on: -'O~c"'toc.cb.c*'-r 3"'1~, ~20c.c2.c6 _ ___ TSS 011 and Grease Total Iron Q .... ~ Q - Q Q Q 7.2 3.9 0.2 7.2 3.9 0.2 7,2 3.9 0.2 7,2 3,9 0.2 7.2 3.9 0,2 I certty under pena~ ol ltwthat tllCI document MS prtpered unclef ~ drKtlDn or supt(Villon In accordance., a sys..rn~to auu1a that qJ:ali~perlCIMelvathef and wWate lhe Information IUbmkted. Based on fflf inquky of the pefiOn or pe~ ¥ltlo manage tM l)'stem or thow persons direcitf relPOf"lsible for 1J11herlng the informlllon, the ~fomaliOn 5Ubtriited la, lo lhe best ol mt knov.4edge and behl. true, aca.wate *nd oomplele. I am *-re Iha! there are algnlficanl penalln lor IUbmltng tatM ~fom-.tlon. ncludng lhe poHiblity of flM *nd ~nt IOJ kno'Mng violilbons. S.. 18 P*. C.S § 4904 (relating lo Ulm'IOffl falsfficatlon). Prepared By: James Harvey Trtfe: Senior Environmental Specialist License No.: Date "'1"12"2"'12"0..,.2"'5 _ _ _ ______ ____ _ Q Q Q Q Q Q Q

g pennsylvania F.-&' OEPARTMENl OF fNVIRONMENlAL '111111!!6 PROTECTION Facility Name Municipality Watershed: Beaver Valley Power Station Shippingport Borough 20-8 Laboratones* TestAmerica, BVPS Lab Flow TSS 1 1 Cay Date MGO Q - Thu 5/1/25 Fn 5f2125 Sat 513/25 1 Sun 5/4/25 Mon 5/5/25 Tue 5/6125 Wed Sfl/2.S Thu 518/25 Fri 5/9/25 Sat 5/10/25 2 Sun 5/11125 Mon 5/12125 Tue 5/13f25 Wed 5/14/25 Thu 5/15/25 Fn 5/16'25 Sat 5/17/25 3 Sun 5/18/25 Mon 5/1 9/25 Tue 5/20/25 Wed 5/21/25 7.8 Thu 5/22/25 Fri 5123/25 Sat 5/24/25 Sun 5125125 Mon 5126/25 Tue 5'27125 Wed 5/28/25 Thu 5129/25 Fn 5/30/25 Sat 5/31/25 5 Oat/Mrwn&.rn(Conc.) 7.8 Datf Maxrrun (Cone) 7.1 Max Avg Wffkty (Cone.) 7.1 Avg Monthly (Cone.) 7,1 Geol'Nlric MMn (Cone.) MuAvgWNtdy(load) AvgMonff/(loed) TotalMontht)l(la.d) Daty Mirwnum (load) [)a,ly-(loed) SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING Month _5_1"""'""""'l County* Beaver PerrmtNo. Year Outfall 3100-FM-8CW04l5 ln012 2025 012 Renewal applicatlon due 180 days prior to expiration. This permit 'MIi expire on: _o_c_to_b_e_r 3_1~, _20_2_6 _ ____ 011 and Grease Total Iron 1 1 Q ""'~ Q Q Q Q Q 3.8 0.2 3.1 0,2 3.1 0,2 3.1 0.2 3.1 0,2 I oertl'j under ~l'lll'f ol llwthll this ~ v.as F"JMU'ed under "'I cndJOn or.uplMIIOn In accordance 'Mlh I sy.tem dHlgntcl to a-..re !hat~~ gather and 1Nlklat1 lhe lnfom-.tlon IUbmli:ted. BHecl on "'I lnqury of !he per50n or ptl'IOnl ¥lno mtnage the ar-tem orthoH person1 dfectty rHpomilble lor gelhemg the lnforn.tbn, the lnfom11oon submitted ii, lo the best ol rrty knoYotedge and beiel. true, accurat* and 00n1ilelt, I am av.are that there

  • r* 841ilruficant ptnaliH lof~inv lalM lnfom.tion. lnd.idlngthe ponlblly of fine and ~I'll lor~ngY!Olltlons. SN 18 PL C.S. f 4904 (reabng lo unswom lasiflcetion).

Prepared By: James Harvey License No.: ________________ Trtle: Senior Environmental Specialist Date ~7~/2~2/~2~0_25 ______________ _ Q Q Q Q Q Q Q

pennsylvania ~ DEPARTMENT OF ENVIRONMENlAl .... PROTECTION Fac,hty Name Munic1palrty Watershed. Laboratories: Beaver Valley Power Station Shippingport Borough 20-B TestAmerlca, BVPS Lab Flow TSS 1 1 WNk Day Date MGD Q Thu 5/1/25 Fn 5/2/25 Sat 513/25 1 Sun 5/4/25 Mon 515/25 Tue 516125 Wed Sll/25 Thu 5/8/25 Fri 5/9/25 Sat 5/10!25 2 Sun 5/11/25 Mon S/12125 Tua 5/13/25 Wad 5/14/25 Thu S/15125 Fri S/16125 Sat S/17/25 3 Sun 5/18/25 Mon 5/19/25 Tue 5/20/25 Wed 5/21/25 42.6 Thu 5/22/25 Fri 5/23/25 Sat 5/24125 4 Sun 5/25125 Mon 5126125 Tue 5/27/25 Wed 5128125 Thu 5/29/25 Fn 5/30/25 Sat 5131/25 5 Dat/MlrWTUl'l(Conc.) 42.6 Oat,,Maxffllm(Conc) 42.6 Mu Avg Weekly (Cone.) 42.6 Avg MontNy (Cone.) 42,6 Geometric: "'4ean (Cone.) Mu:AvgW""1 (Lo.cl) AvgMo~(load) TotalMonthtf (lolld) Dally Mnmum (Load) --(lood) 3100.fM~CW04l5 3/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County Beaver ~;:t No. ~ 5~_'"""~--=~ 6~~all ~:-~3~ 25----- Renewal application due 180 days prior to expirat~io_n_. ----- This permit will expire on: ~o~,~**~b~*~* 3~1"-, ~20~2~6 _ 011 and Gruse Total Iron 1 1 Q ~~ Q - Q Q Q Q 38 1.2 3.8 1.2 1.2 3.8 1.2 1.2 I c.tty \\Riel' ptMlry ol llwthet thll docunwil v,n prepared u,def mt chcCion or IUpeMIIOtl., accordance 'Mlh I system dHlgrMd lo USUfe thll quaified pef'9ClnMI pthef and evaluate lhe lnlometlon aibmtled. BHed on ffl/ inqury ol lhe person ot pelSOnli 'MlO manage the system or thoH persons cire-c~ responlWble I<< galhemg the lnfomwt*,n, the lnlomabon subn-itted ** to the best o1 rrr-, kno._. *nd belief, true, eca.nte IOd compete, I *m *v.ere !hat lhere ar1 lignlficant penalies !Of ll.lt:Jmiting lllsl lnfomwtlon. lncWng lh1 poulblty of fine end lmpnlonmlnt f<< kno\\Wlg vlolatlons SN 18 Pa. C.S 5 4904 (1etailng lo unsv.om fllslllcation). Prepared By: James Harvey License No.: ____ ____ ______ ___ _ Trt1e: Senior Environmental Specialist Date: -'1-"12,,21'-'2'-'o-"2=-5 _____________ _ Q Q Q Q Q Q Q

g pennsylvania J~ DEPARTMENT CF ENVIRONMENlAL .... PROTECTION Facillty Name Municipahty Watershed: Beaver Valley Power Station Shippingport Borough 20-B Laboratories TestAmerica, BVPS Lab Flow pH MGO Q s.u. Thu 5/1'25 Fri 512/25 Set 5/3125 Sun 5/4/25 Mon 515125 Tue 516125 Wed 517125 Thu 5/8/25 Fri 5/9/25 Sat 5/10/25 2 Sun 5/11/25 Mon 5/12/25 Tue 5/13/25 Wed 5/14'25 Thu 5115125 Fri 5/16125 Set 5/17/25 3 Sun 5/18125 Mon 5/19/25 Tue 5120/25 Wed S/21125 D.019 8.8 Thu 5122125 Fri 5123/25 Sat 5/24/25 4 Sun 5/25/25 Mon 5126125 Tue 5/27125 Wed 5/28/25 Thu 5/29/25 Fro 5130/25 Sat 5/31125 5 Oat, Mrw,un (COf1'.} 8.8 D11t,,Maxmum(Conc) 8.8 Max Avg Wffktt' (Cone.) AyVMonlhly(Conc.) Geometnc MNn (Cone.) MuAvgWNkfy(load) 0.019 Avg Monthfy(Lo.d) 0.019 TotalMonthly(Load) 0.019 Daly Mirwfun (LMd) 0.019 Dalt,, Maximum (load) 0.019 Q ll00~M-8CW0435 3/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING Month 5 (MIKtlUli>>rJ Year 2025 County* Beaver Permrt No. ~~~-=~ Outtall. ~0-14 ____ _ Renewal applicat,on due 180 days prior to expiration. This permit will expire on: _o_ct_o_b_er_3_1~, 2_0_2_6 _ ____ _ TSS OIi and Grease Total Iron mo'I. Q - Q - Q Q Q 13.4 3.8 03 13.4 3.8 0.3 13.4 3.8 0.3 13.4 3.8 0.3 13.4 3.8 0.3 2 0.6 0.05 2 0.6 0.05 66 19 1 2 0.6 0.05 2 0.6 0.05 I Olltty !AlOfll' penaiy ol lawthat this document** prepw.d under mr ~n or supll'ffliOO In ll0COrdance ~ a sy*am dnls,ledto n surs Iha! ~permmel~ and waluala lhe lnfOl'ffllliGn Wbfniled. BaMd on my nquwy ol lhe person or persons Vlho nwnage the syilem Of tt10H persons drectl'f re5pOnS!ble 104' galhemg lhe lnformttlon, the lnfOffl'lllion IUffl'ltted Is, to the best ol rrry kno\\loledpe and beHr, tnJe, ac:a.nt* and complete. I am *Mrs that !here

  • r* aigrllflcant f)IM--* lor subrTitng i.... lnfomi.i:lon lnd.Kioglh* posslblty of fine and ~nl for~ vlol.tloos, SN 18 PL C.S. S -490,I (rHlllng tourmwm latsrfk:ation).

Prepared By: James Harvey License No.: ----------- ------- Trtle* Senior Environmental Specialist 0 ate: ~7~/2~21~2~0~25~--------- ----- Q Q Q Q Q Q Q

pennsylvania J~ OEPlt.RTMfNl OF ENVIAONMENlA.l '11111!!!1 PROTECl JON Facd,ty Name Mun1c1palrty Watershed Laboratones Beaver Valley Power Station Shippingport Borough 20-B TestAmerica, BVPS Lab Flow pH 1 1 MGO Q S.U Thu 511/25 Fri 5'2125 Sat 5/3125 1 Sun 5/4l25 Mon 5/S/25 Tue 516125 Wad 5f7/25 Thu 5/8/25 Fa 5/9/25 Sot 5110!25 2 Sun 5111/25 Mon 5112/25 Tua 5113/25 Wad 5/14/25 Thu 5115125 Fn 5/16125 Sat 5/17125 3 Sun 5118125 Mon 511g125 Tua 5/20/25 Wad 5121/25 0.028 8.4 Thu 5/22/25 Fri 5123/25 Sot 5/24/25 Sun 5/25/25 Mon 5/26/25 Tua 5/27125 Wed 5/28/25 Thu 5/29/25 Fn 5130/25 Sat 5131/25 5 Daly Mlmalm (Cone.) 8.4 Daty Maxhun (Cone) 8.4 Mu Avg W~ (Cone,) Avg Monttit,, (Cone.) Georr-.lnc a.4Nn (Cone.) MaxAyVW-.,,(1.°'9d). 0,028 AvgMonlhty(lo.d) 0.021 T°""-lloodl 0.028 DalrMlrW1'Ul'l(load) 0.028 Dalli/ MaxlmJm(Load) 0.028 Q 3'D04=~CW04Jli 3/Z012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County Beaver Month 5,,.._, Year -"2-"0c-25~---- PermrtNo.. ______ Outtan _0_1s ____ Renewal application due 180 days pnor to expiration. This permit 'MIi expire on* -'O"c'-'to"b"er"3"1.,_, 2"'0"2"'6 _____ TSS Oil and Grease Tolal Iron 1 1 1 Q - Q Q Q Q 30.0 3.8 1.0 30 3.8 1 30 3.8 1 30 3.8 1 30 3.8 1 7 o.* 0.2 7 0.* 0.2 217 28 7 7 0.9 0.2 7 0.9 0.2 I CMV'f lnkf penal)' of llwthM O. docurrwll.,.. ~ under mt dr9dlon Of IUpemao,1 In aocon:ilnce~

  • sytttm~ lo--.sf9 lhal ~penomel-- and l'YMJata lhe nl'ormatlon R.tmaed 8-.d on"" nqtay oflhepenonorpenonavihomanagelhlsyst.morlhowpw10n&drq~lorgeitwtlglhl:lnforTNlll:)t\\,blnfomw.DOflaul:inCMt* IDlhebeaol""f~andbekl.true aocwat1andoon,pel1 lama,,.,.lhllhfli are-.gntbftpt..... foralbrnbr,g,_inlormlhon.incld1glhe~ol'llntand...,..,.111orMO'M111~- S..18Pa.C.S.f49Ck(r~IDUl'ISMlffllatsificaba'I)

Prepared By: James Harvey

Title:

Senior Environmental Speciahst License No.: Date ..,1,,,,2,-,21"'2,-,0""275 _____________ _ Q Q Q Q Q Q Q

fl' pennsylvania J~ DEPARTMENT OF ENVIRONMENlAl al!!!!I' PROTECTION Facility Name Municipality Watershed* Laboratories Beaver Valley Power Station Shippingport Borough 20-B TestAmerica, BVPS Lab Flow pH 1 MGO Q s.u. Thu 511/25 Fn 512/25 Sat 513/25 1 Sun 5/4/25 Mon 515125 Tue 5N.?5 Wed 5/712.5 Thu 5/8/25 Fn 519/25 Sat 5110/25 2 Sun 5/11/25 Mon 5/12/25 Tue 5/13/25 Wed 5/14/25 Thu 5/15125 Fn 5/16125 Set 5/17/25 3 Sun 5/18/25 Mon 5/19!25 Tue 5/20J25 Wed 5/21/25 0.006 8.3 Thu 5/22/25 Fri 5/23/25 Sat 5/24125 Sun 5/25/25 Mon 5/26125 Tue 5/27fl.S Wed 5/28/25 Thu 5/29/25 Fn 5130125 Sat 5/31/25 5 Daly Mlf'Wrf.lm (Cone.} 8.3 Oat/ Mui'num (Cone) 8.3 Mu Av" Weel<ly (Cone.} Avg Monthly (Cone.) Geomn1c MMn (Cone.) MaxAvgW.-,,(l.oad) 0.006 AvgMonlhfy(Load) 0.006 TotaJMonlhly(Load) 0.006 Ddy Mll1irnJm(l o.d) 0,006 ~Mum.,m(Loed) 0.006 Q 3100-FM-8C'N04l5 112012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING Month 5 Year ~2:,,0~2::.5 ___ _ County* Beaver Permtt No.. -----~ Outtall ~0:.,.16::....._ ___ Renewal application due 180 days prior to expiration. This permit 'MIi e xpire on: ~O'-'c-"t o"'b-'er'-'3"1.,_, cc20"'2.,_6 _ TSS 011 and Grease Total Iron 1 1 1 Q Q Q Q Q 28.6 3.9 1.3 28.6 3.9 1.3 28.6 3.9 1.3 28.& 3.9 1.3 26.6 3.9 1.3 0.2 0.07 1 0.2 0.07 2 1 0.2 0.07 1 0.2 0.07 I cer1Jfy under pendy of law that lhls documlnt v,e1 ~ lhHf my drKbon Of wpefYillon In aoe<<danc:e 'Mtl'I sylttm dHlgr,ed 10 sair. that quaffledplf'l()l'IM!gathet and evM1111 the lnforrr.uon.ubttited. BHld on rrtiJ ~ of the person or penons VltlO manage the system or those per'IOns directl'( r~ lor galhemgthe ln!Offl'lltlon, the ln!om.lion IUbrrilled ii, lo the but of my kno\\lotedge and btltf, true,.cant and co"'4)1ete. I am Nr that there aN1 aignlflc:l,ntper\\l&tlofsubmltngfalNlnfom-albn. ncbinglhe poHlblityofh llndin,,n.o,,m.nt rorkno¥Ml0g~. S..18P. C.S.f 4904 (rt!amgtoul'llllOfflfalsiflcallon). Prepared By: ~J~*m~

  • s~H_arv_ ey~ ---- --------

License No.: _ _

Title:

Senior Environmental Specialist Date -'7,,12"'21:..:2:..:0.::2;:.5 _ Q Q Q Q Q Q Q

C' pennsylvania F~ OEMATMENT OF ENVIRONMENlAL PROTECTION Facility Name Municlpalrty Watershed Laboratones Beaver Valley Power Station Shippingport Borough 20-B TestAmerica, BVPS Lab Flow pH 1 1 MGO Q SU Thu 5/1125 Fri 512/25 Sot 513/25 1 Sun 514/25 Mon 515/25 Tue 516125 Wed Sll/25 Thu 5/8/25 Fn 5/IJ/25 Set 5/10125 2 Sun 5111/25 Mon 5112/25 Tue 5113125 Wed 5114/25 Thu 5115125 Frt 5116125 Sot 5/17/25 3 Sun 5118/25 Mon 511'1125 Tue 5/20/25 Wed 5121125 0.002 8.6 Thu 5122125 Fri 5/23/25 Set 5124/25 4 Sun 5/25/25 Mon 5/26/25 Tue 5127/25 Wed 5/28/25 Thu 5!29125 Fri 5130/25 Set 5131/25 5 Daft'Mll'llll'UTl(Conc.) 8,6 Daly MaxmJrn (Cone;) 8,8 Mu Avg Weekly (Cone.) Avg MonthJV (Cone.) GtomltrE Mnn (Cone.) M&xAvgW'Nlcty(LMd) 0.002 Avg MonNy (Load) 0.002 TOUIIMonHy(loedJ 0.002 o.t;'Mnrrun(loed) 0.002 Dalt)' Maxmum (Load) 0.002 Q 3100-FM-8CW043' 3/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County Beaver TSS Oil and Grease 1 1 Q 46.2 3,9 46.2 3.0 46.2 3.9 46.2 3.9 46.2 3,9 o.a 0.07 0.8 0.07 2* 2 0.8 0,07 0,8 0.07 Q Month _s_,.....,-i PermrtNo Year Outtall 2025 017 Renewal apphcallon due 180 days plior to expiration. This permit wlll expire on --'O--'c'-'to--'b-"er'-'3'-'1-'-, 2~oc.c2c..*------ Total Iron 1 - Q Q Q 1.3 1.3 1,3 1.3,., 0.02 0.02 0.7 0.02 0.02 ICIIU'f ll'ICMtpenaltyol lawu.ttta~.,,.. p,plffduidtr"'fdncbon<<.,~n ~.....,*~.mcte.s,,.c!toa...ur.ltaq.ai~pen,onMlpa.a,.tev-...1,enormat1on-.tmiaed.BaMdon rT'fnq.ay ol lhe ~ or penona 'llt10 nw,age !he sysMn << lhou peNOM dfq rnpond,ta I<< ga~ the lnlonrmorl. lhe nforml2ion subn"iaed la ID lhe bNt Gt"'f ~ and bekl true accurate.-,cl~- 1.-na_,. that lher9 arwllgnllcanl:ptf'IMJHlotlUtWl'itl'lgfatllen'om.t10n.~IMp:,Nbltyoffintand~ntf<<kf!O'Mr'Gvdlbclns.. 5" 18Pa.C S §49G4(tHlllngloUf'IP',Offlfalsibt!on). Prepared By -=J~*m-','-**~H,,.*~rv ccc..*X~___,,....,..,,--,-------- Trtle: Senior Environmental Specialist License No.: Date "'1"'12,.,21"'2,.,0""25=--- ------ Q Q Q Q Q Q Q

g pennsylvania F~ DEPAAT~ENT OF ENVIRONMENTAL .... PAOU CTION Fac,hty Name Municipality Watershed Laboratones Beaver Valley Power Station Shippingport Borough 20-8 TestAmerica, BVPS Ulb Flow pH 1 1 Day Date MGO Q SU Thu 5/1/25 Fri 512/25 Sat 513125 1 Sun 5/4/25 Mon 515125 Tue 516125 Wed snris Thu 518/25 Fri 519/25 Sat 5110/25 2 sun 511 1/25 Mon 5/12/25 Tue 5113/25 Wed 5/14/25 Thu 5115/25 Fro S/16125 Sat 5117/25 3 Sun 5118125 Mon 5119125 Tue 5/20/25 Wed 5121125 0.081 7.9 Thu 5/22/25 Fro 5123125 Sat 5/24/25 Sun 5125'25 Mon 5/28/25 Tue 5/27/25 Wed 5/28125 Thu 5/29/25 Fri 5130/25 Sat 5131'25 5 f--- I- ~ Oaly Mll'llml.ffl(Conc.) 7.9 O.t, Maxrnum (Cone) 7.9 Mu AYg ""9kly (Cone.) AVV ~ (Cone-) o.on.1r1c M..-. (Cone.) MuA..-gW-.ly{load) 0.081 AvgMonltiy(Load) 0,011 Tocal Monthly(LMdJ 0.081 Oely.........,,(lood) 0.011 """............ (lood) 0.011 Q 310G~M-8CW04ll 312012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County* Beaver Month 5 t""" """"J Year 2025 Permit No. ______ Outfal ""0~19=----- Renewal apphcat10n due 180 days onor to exptrabon. This permit will expire on: _O_c_to_b_er_3_1~, 2_0_2_6 _____ TSS Oil *nd Grease Total Iron 1 1 1 Q Q Q Q Q 37,8 3,9 1.0 f,-- 37.6 3.9 1 37.5 3,9 1 37.6 3,9 1 37.tl 3.9 1 25 3 0.7 25 3 0.7 787 12 21 25 3 0,7 25 3 0.7 I owtty ~ penaty ol' *wlhll it. docvnlfll vies~~ my df.cbon or.,ptMlkln 1n ll000tdlnc4'...,

  • sr*tm~ to....,,.. 1h11.,_,..ct pef90tlntifldlftr and w..,. *.._.,,ortnlbOn alDMtltd. BaNd on mr 1r..-,y oflhaperwonorpefWOMYlt1orrarwgathl:~orthoMpw90f'IS~~IOf~hinfOffl'llllOn.thelnfDl'ffllb0nsubmaadll,IClhb11110lmyknoWldglandblief,1Ne ~-and~. llfflrMl'elhalhfa

.. ligr1lficanl penaln lof IUbrnittng lalN Wom9bon. lrdJcircl lhe poMNty offn Wld~rt fot kno"M'1gVIOlluon&. 5" 18 PL c.s t 4Q04 (r-.,g ao urwwom lalllfieation). Prepared By: James Harvey Title* Senior Env~onmental Specialist License No.: Date "'7"12=-=21"2=-=0"2""s _____________ _ Q Q Q Q Q Q Q

L-25-150 ENCLOSURE G

3800-FM-BCW046212/2016 8 pennsylvania ,~ DEPARTMENT Of ENVIRONMENTAL S/1!!!!!1 PROTECTION NAME: ENERGY HARBOR NUCLEAR CORP ADDRESS: 1111 E MARKET ST, AKRON OH, 44308-2014 FACILITY: FIRSTENERGY BEAVER VALLEY POWER STATION 1 LOCATION: PA ROUTE 118, SHIPPINGPORT PA, 150TT STAGE: Flnal Effluent PARAMETERS REPORTED VALUES PARAMETER Mercury, Total (711100} Pennlt RequlNment FK:lllty a.mpllnt Point Cofflml.. COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) PA002!1115 I I OOTFALL:MBER I PERMIT NUMBER MONITORING PERIOD YEAR MO DAY YEAR MO DAY FROM 2025 04 111 TO 2025 06 30 Reparto,g Frequency: DMR Ellectiw, From: DMR Ellec:tlw, To: Penni! Expires: Penni! Appllcatlon Due: No Discharge: QUANTITY OR LOADING QUANTITY OR CONCENTRATION VALUE VALUE UNITS VALUE VALUE VALUE UNITS <.2 Dolly-Privacy Polley I Security Polley Copyright@2016 Commonwealth of Pennsylvania. All Rights Reserved (Mrtar1y 04/01/2025 06/30l2025 10/31/2026 05/04/2026 D SAMPLING FREQUENCY SAMPLING TYPE 1/qLlllttllr G,ab

3800-FM-BCW0462 12/2016 pennsylvania ,~ DEPARTMENT OF ENVIRO MENTAi. ata PROTECTIO ATTACHMENT DETAILS Q200< 0oly - llMR C.-'-- JUNE 20211 - -.pdf PERMIT VIOLATIONS t..... -- t.........,. UNAUTHORIZED DISCHARGES COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTlON BUREAU OF CLEAN WATER DISCHARGE MONITORING REPORT (DMR) 2IJ25.07...zet1121:37-0t:OO eo...- 2IJ25.07-aT14:!5124-0l:OO u.. C-otNoR-C 4 Non-Gofflpllanca ID EflfllllllttO.. hlntl!ndO... DeltllandTIINO.CO... - DunlloR(hra) ................. DIii...... C.....OfDlec:Mfglt OTHER PERMIT VIOLATIONS I.....,_......, I COMMENT DETAILS SUBMISSION INFORMATION c......... "Pursuant to Iha Pannaytvanla Electronic Trsnaactlona Act

  • Act 69, ellectlve January 15, 2002, you ane about to engage In an electronic transaction with the Commonwealth of Penneylvanla. You are submitting olllclal Information. You certify urder penalty of law that this document and all attachments were prepared under your direction or supervision In accordance wl1h system designed to assure that quallfled personnel gather and evaluate the Information aubmllled. Baaed on your Inquiry of the person or persona who manage the eyatem or those persons directly responsible for gathering the Information, the Information aubmllled Is, to the best of your knowledge and belief, lnJe, accurate end complete. You ere awers that any false statement may be subject to substantial clvll and criminal penalties, Including 18 P.S. section 4904 (relating to unswom lalslflcatlon to authorities).

Privacy Polley I Security Polley o,.,.&or~ """'... TELEPHONE Robert Krtatophel (724) SUBMITTEO BY AREA CODE FULL NAME Copyright C2016 Commonwealth of Pennsylvania. All Rights Reserved 112-n1, NUMBER Dau and TlrM, Del' Notified DATE 2025 07 YEAR MO Conwnonla 21 DAY

L-25-150 ENCLOSURE H

e pennsylvania J~ DEPARTMENT OF ENVlRONMENTAL ,_,,. PROTECTION Facility Name MurneipalJty Watershed. Laboratories: Beaver VaHey Power Station Shippingport Borough 20-B TestAmerica, BVPS Lab Flow pH 1 1 Wffk Dov Date MGO Q s.u. 1 Sun 3/30/25 Mon 3/31125 Tue 4/1/25 0.0 Wed 412/25 0.0 Thu 413125 0.0 Fri 414/25 0.0 Sot 415125 0.0 2 Sun 416125 0.0 Mon 4ll/25 0.0 Tue 418125 0.0 Wed 419!25 0.0 Thu 4/10/25 0.0 Fri 4/11/25 0.0 Sot 4/12/25 0.0 3 Sun 4/13/25 0.0 Mon 4/14/25 0.0 Tue 4/15125 o.o Wed 4/16125 0.0 Thu 4/17/25 0.0 Fri 4/18/25 0.0 Sot 4/19!25 0.0 4 Sun 4/20125 0.0 Mon 4/21/25 0.0 Tua 4/22f25 0.0 Wad 4/23/25 0.0 Thu 4/24/25 0.0 Fu 4/25/25 0.0 Sat 4/26/25 0.0 5 Sun 4/27/25 0.0 Mon 4/28/25 0.0 Tue 4/29/25 0.0 Wed 4/30/25 0.0 Thu 5/1/25 F*I 512/25 Sat 513/2.5 O.lyMinffl.Jm(Conc.) oat, Mu.ffllfl'I (Cone) Max Avg Weektf (Cone.) AyVMonthtf(Conc.) Geon.lic: ""'"" {Cone.) MuAyVWffldy(load) AvgMonthly(load) TotalMonthly( L oad) ""'-(toed) 0 --(toed) 0 Q SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver Month 4 <"""'""""J Pennlt No.. PA0025615 Year Outfall ll00-FM-8CW04l5 l/2012 2025 004 Renewal application due 180 days prior to expiration. This permit will expire on: _o_ct_o_b_e_r 3_1~, _20_2_* _____ TRC F,ee Available Temperature Total Aluminum Total Chromium Total Copper Chlorine 1 1 1 1 1 1 Q Q 'F Q - Q - Q - I certify unot'f penally of llwthat this docummt...... prt:perld under my clrect>>n or aupeMtk,n In aoc::ordlnc:e v,tth I system detlgned to ISIUfl that qullifled perwonntl gathl-r Ind IVIIUll* the lnf~lon ~Id. Bned on my Inquiry of thl person or pef'90f'IS KIO rratw91 the system orthoH persons difld/ respontJt:,61: for giathemg the lnlormatlon, the lnlotm1tlon tubnitted ls. lO the beSI of my 1cno*~ and belltf. ltue aeeum, and coffllle1*. I am *ware that there araalgrwficlntper'lllieSfoF~lalMlnformaition.incaJdnglhlpoulblityoffineandin,:,rilorvnentforkncw.tngV'iollbonS. See18Pa.C.S.§4904(relltlngloUn&'t,Offlfllslbllon). Prepared By: Darren Bollman License No.: ------------------

Title:

Environmental Specialist Date: ~s~,2~1~,2~0~25~-------------- Total Mercury Total Zinc 1 1 Q - Q - Q Q Q Q Q

@' pennsylvania J~ DEPARTMENT OF ENVIRONMENTAL 'al!!/I PROTECTJON Facility Name Munic1pallty Watershed: Beaver Valley Power Station Shippingport Borough 20-B Laboratories* TestAmerica, BVPS Lab Flow pH 1 1 w... Dey Date MGO Q s.u Thu S/1/25 o.o Fn 5/2/25 0.0 Set 5/3/25 0.0 1 Sun 5/4/25 0.0 Mon 5/S/25 0.0 Tue 516/25 0.0 Wed sn12s 0.0 Thu 5/8125 0.0 Fri 519125 0.0 Sa1 5110/25 0.0 2 Sun 5111!25 0.0 Mon 5/12/25 0.0 Tue 5/13125 0.0 Wed 5114/25 0.0 Thu 5115/25 0.0 Fri 5116125 0.0 Sat 5/17!25 0.0 3 Sun 5/18125 0.0 Mon 5119125 0.0 Tue 5120/25 0.0 Wed 5/21/25 0.0 Thu 5122125 0.0 Fri 5123/25 0.0 Set 5124125 0.0 4 Sun 5125/25 0.0 Mon 5126125 0.0 Tue 5/2712.5 0.0 Wed 5/28/25 0.0 Thu 5/29/25 0.0 Fn 5/30/25 o.o Sat 5/31'25 0.0 5 Dalt Mrwrum (C~) Daly Mamvn (Cone) Max Avg Wffkty (Cone.) A'tg Monff1 (Cone.) Geonwlnc MNl'I (Cone.) Max Avg Wffkty (load) AvgMonthly(Load) TotalMontt'q(Load) 0,fy..........,(Lood) 0 --(Load) 0 Q 3100.f'M-BC\\W43!i :S/2012 SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING County: Beaver ~;,7,;~ No.. fu~=~ '{;,~fan -'!"~*" 25"------ Renewal application due 180 days prior to expiration. This permit will expire on: ~O~c:t~o~b_e_r 3_1~, ~20~2~6 ______ _ TRC Free Available Temperatura Total Aluminum Total Chromium Total Copper Chlorine 1 1 1 1 1 0 - Q 'f 0 0 0 - I-I certify under penaly ol llwthal !hit document v.es prepar.cl u~r ITI'/ direction or SUl)tfVlllon In accon:tanc. v,;tli a aystm ~td to auur. that quuffed peraonntl gattwf and evlluata the lnfomwtlon 9Llbmlttd. B&Md on ITI'/ inquiry ol the person Of peJWM v.ho n-.nage the S)"llern or thou persons citecdy 1aponslble for gelhemg the lnfomwllon. the lnformallOn submitted ii. IO lhl best ofm; knOV,Mdge and belief !Jue KCUl'ala and ~ta. I am,.,.,.,. that !here W1I 5lgnffic:anl penalln lor ~ ll!M lnfom-.tlon. ind.Jcing the pohlblilyoffne and lnlJfllonment for kno1114ngv>>latloM S.. 18Pa. C.S. f ot904 (rMlbng to unawom fanfflcatlon). Prepared By: Darren Bollman

Title:

Environmental Specialist License No.: Date* -=6"' 19"'12:-:oc:2-=5--------------- Total Mercury Total Zinc 1 1 Q Q - Q Q Q Q Q

e pennsylvania J~ DEPARTMENT OF ENVIRONMENTAi.. 'al!!I PROTECTION Beaver Valley Power Station SUPPLEMENTAL REPORT DAILY EFFLUENT MONITORING Month: 6 tMlod""""'J 3100.f'M-8CW04l5 l /2012 2025 F ac1hty Name Municipality Watershed. Laboratories. Shippingport Borough County Beaver Permrt No.: PA0025615 Year Outfall 004 20-8 Renewal application due 180 days prior to expiration. TestAmerica, BVPS Lab This pennit will expire on* _o_c_to_b_e,_3_1~, 2_0_2_6 _ ____ Flow pH TRC Free Available Temperature Total AJumlnum Total Chromium Total Copper Chlorine 1 1 1 1 1 1 1 1 Wffk Oay Date MGO Q s.u. Q "'>'l 0 Q 'f Q Q - Q 1 Sun 6/1/25 0.0 Mon 6/2/25 0.0 Tua 6/3/25 0.0 Wed 6/4/25 0.0 Thu 6/S/25 0.0 Fn SN.!5 0.0 Sat 6ll/25 0.0 2 Sun 6/8/25 0.0 Mon 6/9/25 0.0 Tue 6/10/25 0.0 Wad 6/11/25 0.0 Thu 6112125 0.0 Fn 6113125 0,0 Sat 6/14/25 0.0 3 Sun 6/15/25 0,0 Mon 6/16'25 0.0 Tue 6117/25 3,85 7.1 0.02 0,02 89.2 0.65 0.0051 Wad 6/18125 0.0 Thu 6/19/25 0.0 Fri 6/20/25 0.0 Sal 6121/25 0.0 Sun 6/22/25 0,0 Mon 6/23!25 0.0 Tua 6124/25 0,0 Wed 6125125 0.0 Thu 6126125 00 Fn 6127!25 0.0 Sat 6/28r.?5 0.0 5 Sun 6/29/25 0.0 Mon 6/30/25 0.0 f-- OalfMnrum(Cone.) 7.1 0,02 0.02 89.2 0.65 0.0051 Daly Maxrrurn (Cone) 7.1 0.02 0.02 89.2 0.65 0.0051 Max Avg WNktf (Cone.) 0.02 0.02 0.65 0,0051 AvgMonttw(Conc.) 0,02 0.02 89.2 0.65 0.0051 Geomttnc M...-. (Cone.) MaxAvgWNldy(l~ 0.55 0.6 0.6 21 0.2 AvgMonlhly(Load} 0.13 0.6 0.6 21 0.2 Total MontNy (Load) 3.85 19 19 626 s Oely.......... (l.oe4) 0 0.6 0.6 21 0.2 OelyMufnun(l.ood) 3.85 0.6 0.6 21 0.2 I o<<lJfy uncMf penaly ol llwthat Im document WM ~ undt1 my di1ectlon Of suJ>>t"V"'°'1 In aocon:iloc. 'Mlh a 'll'fllffll ~ to a..uie that quallied ~Ml galhel and evlllUl\\e the lnl01mlllon subrrllecl. Based on m, lnquily ol lhll person Of' persona MIO nanage the aystem 01 those persons drectt, respons11-I: for galhemg lhe info,nwtion, the lnfOffl'lllion IUbmill.ed 11, to the best ol m, kno'Mtdge and behl, uue, IICC:Urale Wld complete. l am av.ie that lheie are slgnfficat1 ptnalles lor-subtrimg talM infOIITl8tion. lnckldlng lhe posslblty of fine *nd ~nl !Of knowng vfolatlont. See 18 Pa. C.S. S '4904 (remti,g loUl'm\\Offl falsfficallon). Prepared By: Darren Bollman License No.: ____ ________ ____ _ _ Tit1e: Environmental Specialist Date: -'7-"/2'-'1-"/2'-'0c-=2cc.5 _____________ _ Total Mercury Total Zinc 1 1 Q - Q Q 0 Q Q Q 0.0002 0.0002 0.0002 0.0002 0.0002 0.006 0,006 0.2 0.008 0.008

L-25-150 ATTACHMENT 1

Clamicide Report Attachment for NPDES Permit No. PA0025615 Beaver Valley Nuclear Power Plant July 2025 ATTACHMENT 1 L-25-148 Macrofouling Invertebrate Chemical Control (Clamicide) Dosing Report The following summarizes the clamicide treatment for the control of Asian clams and Zebra mussels conducted in the 2nd quarter of 2025 at Beaver Valley Nuclear Power Plant Q2 2025 DOSING Parameter Unit 1 B Train Unit 1 A Train Unit 2 A Train Unit 2 B Train Date 6/24/25 09:05 Chemical Used1 800 pounds3 _3 _3 _3 Outfall 001 H150M ND Concentration Outfall 003 H150M ND N/A4 N/A4 Concentration Outfall 010 H150M N/A4 N/A4 Concentration Outfall 001 Detox 1,043 pounds - pounds - pounds - pounds Used2 Outfall 001 TSS 3.5 mg/L - mg/L - mg/L - mg/L Concentration5 Outfall 003 Detox 200 pounds - pounds N/A4 N/A4 Used2 Outfall 003 TSS 29.9 mg/L - mg/L N/A4 N/A4 Concentration5 Outfall O 10 Detox N/A4 N/A4 - pounds - pounds Used2 Outfall 010 TSS N/A4 N/A4 - mg/L - mg/L Concentration5

1. The chemical used is NALCO H150M; LIMITS: 7,000 pounds per day and No Detectable (ND) amount at Outfalls 001, 003 and 010.
2. The Bentonite Based Detoxifying Agent used is NALCO 1315 a slurry mixture and /

or NALCO 36 a dry product; LIMITS:~ 35 mg/I at Outfalls

3. Total product weight. Active ingredient is 50% of product by volume.
4. Outfall does not receive wastewater from the target system.
5. Calculated value

- Attachment 1 END -

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