ML11234A084

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Renewal of Operating Licenses for Limerick Generating Station, Units 1 and 2 Request for Information on Listed Threatened and Endangered Species
ML11234A084
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 01/19/2011
From: Gallagher M
Exelon Nuclear Generation Corp
To: Urban C
State of PA, Fish & Boat Commission, Division of License Renewal
Regner, Lisa M. NRR/DLR 301-415-1906
Shared Package
ML11234A082 List:
References
Download: ML11234A084 (37)


Text

Michael f), Gdlaghe~.,

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?vckacip g a ~ i a g h e r ~ ~ e x e i o n c o i ~ ~ ~ ~ ~ r i i Nuclear January 19, 201 1 Mr. Chris Urban PA Fish and Boat Commission Nongame & Endangered Species Unit 450 Robinson Lane Bellefonte, PA 16823-7437 Re:

Renewal of Operating Licenses for Limerick Generating Station, Units 1 and 2 Request for Information on Listed Threatened and Endangered Species

Dear Mr. Urban:

In mid-201 1, Exelon Generation Company, LLC (Exelon Generation; a subsidiary of Exelon Corporation) plans to apply to the U.S. Nuclear Regulatory Commission (NRC) for renewal of the operating licenses for Limerick Generating Station, Units 1 and 2 (LGS). The existing license for Unit 1 will expire on October 26, 2024 and the existing license for Unit 2 will expire on June 22, 2029. The renewal term for each unit would be an additional twenty years beyond the existing license expiration date.

The NRC requires that license renewal applications include environmental reports assessing potential environmental impacts from license renewal activities. One such impact would be effects of license renewal activities on threatened and endangered species that are listed or proposed for listing in accordance with the Endangered Species Act (ESA) (16 USC 1531, et seq.) (1 0 CFR 51,53(~)(3)(ii)(E)). Accordingly, we are contacting you to obtain input for use in addressing these effects in the LGS license renewal environmental report. Later, NRC may also request an informal consultation with your office under Section 7 of the ESA (16 USC 1536(a)).

Project Features LGS existing features that are relevant to the effects of license renewal on threatened and endangered species include the following:

1. The LGS plant site, which hosts the two generating units, is located on Exelon Generation-owned properties that are mostly situated in Limerick Township, Montgomery County, but some of which are in the adjacent Lower Pottsgrove Township, Montgomery County or directly across the Schuylkill River in East Coventry Township, Chester County.

Mr. Chris Urban January 19, 201 1 Page 2 of 4

2. The LGS makeup water supply system, which conveys water from approved sources to LGS for use in its circulating water system, is composed of the following components:

o The Perkiomen Pumphouse, located in Graterford Township, Montgomery County, and an associated underground 7.6-mile long Perkiomen Pumphouse-to-LGS pipeline; both are located along an easement held by Exelon Generation within an electrical transmission line right-of-way (ROW) controlled by PECO, a subsidiary of Exelon Corporation; o The Bradshaw Reservoir and Bradshaw Pumphouse, which are both situated in Plumstead Township, Bucks County, on Exelon Generation-owned properties totaling 42 acres; o The Bedminster Water Processing Facility, which is situated in Bedminster Township, Bucks County, on a 3-acre Exelon Generation-owned property; and o An underground water transmission main, which is routed within a natural gas pipeline ROW along an easement held by Exelon Generation that runs from the Bradshaw Pumphouse to the East Branch Perkiomen Creek by way of the Bedminster Facility.

The buried Perkiomen Pumphouse-to-LGS water pipeline and the underground water transmission main are located below ground within ROWs that exist for other purposes, and their operation requires no independent vegetation management or ground disturbing activities along these ROWs. Hence, these underground components of the makeup water supply system are assumed to have no effects on threatened and endangered plant species.

3. The LGS transmission system is composed of the following components:

o Two electrical transmission lines constructed to connect the LGS main power transformers with two onsite electrical substations (these components are located on the LGS plant site); and o Four 230-kilovolt (kV) and one 500-kV electrical transmission lines, with associated structures and offsite electrical substations, constructed to connect the onsite electrical substations to the regional electricity grid.

All offsite substations and transmission lines are operated by PECO and are located in ROWs situated in Montgomery and Chester Counties either on PECO-owned properties or on properties for which PECO holds permits, grants, easements, or licenses. Onsite transmission lines traverse only land disturbed during initial station construction.

Figures 1 through 9 showing the locations of the existing LGS project features are provided in.

Activities During the License Renewal Terms LGS license renewal will involve no new construction, refurbishment, ground disturbing activities, changes to operations, or changes to existing land-use conditions. Operation and maintenance activities during the terms of the renewed LGS licenses are only expected to occur in previously disturbed areas or existing ROWs. Hence, no new adverse impacts to threatened and endangered species are anticipated from license renewal.

Mr. Chris Urban January 19, 201 1 Page 3 of 4 Identification of Threatened and Endangered Species Resources Using the Pennsylvania Natural Diversity Inventory (PNDI) Environmental Review Tool, a web-based application sponsored by the Pennsylvania Natural Heritage Program (PNHP), Exelon Generation has reviewed the potential for the LGS plant site area and the properties associated with the LGS makeup water supply system to adversely affect known occurrences of species or natural communities of concern. Receipts for PNDl search #s 20100421240174 (LGS plant site), 201 00421 2401 63 (Perkiomen Pumphouse area), 201 00406237563 (Bradshaw Reservoir and Pumphouse area), and 201 00407237630 (Bedminster Water Processing Facility area) are attached (Attachment 1). Two species under the jurisdiction of the PFBC were identified for the LGS plant site: one sensitive species (unidentified) with threatened status and the Pizzini's cave amphipod (Stygobromus pizzinii) with "special concern species" status. Also, one sensitive species (unidentified) with threatened status under the jurisdiction of the PFBC was identified for the Bradshaw Reservoir and Pumphouse location. The responses for the other project sites stated that no impact is anticipated to threatened and endangered species and/or special concern species or resources.

Given the sizable acreage and distances associated with the LGS transmission line corridors, no PNDl searches were conducted for this project component. For review by your office in identifying species of concern, we instead offer the figures in Attachment 3 showing the routes and widths of the corridors.

A review of the PNHP web site for state-listed endangered and threatened species indicates that a number of state-listed reptile and amphibian, fish, and invertebrate species could occur in Montgomery, Chester, and Bucks Counties. The enclosed Attachment 2 contains a list of these species. One amphibian species, the bog turtle (Glyptemys muhlenbergi~~state-listed as endangered with recorded locations in the three counties of interest, also is federally-listed as threatened. Two fish species, the shortnose sturgeon (Acipenser brevirostrum) and the Atlantic sturgeon (Acipenser oxyrinchus), which are state-listed as endangered with Bucks County as their recorded locations, also are federally-listed as endangered and candidate species, respectively. One invertebrate species, the dwarf wedgemussel (Alasmidonta heterodon),

state-listed as endangered with recorded locations in the three counties of interest, also is federally-listed as endangered. Exelon Generation is not aware that these or any other state-listed reptile and amphibian, fish, or invertebrate species are present on or near the properties associated with LGS or its associated transmission lines.

Because license renewal involves no new construction, refurbishment, ground disturbing activities, changes to operation, or changes to existing land use conditions, Exelon Generation does not expect LGS license renewal to adversely affect threatened and endangered reptile and amphibian, fish, and invertebrate species located near the LGS plant site, makeup water supply system, or transmission system ROWS. Nevertheless, we are requesting your help to identify the two unidentified sensitive species under PFBC jurisdiction that were identified by our PNDl searches, as well as other issues we may have overlooked that need to be addressed in the LGS license renewal environmental report. We are also interested in learning of any information your staff believes could help expedite the NRC's review of the LGS license renewal application. Hence, in closing, we would appreciate receiving a response from you detailing the requested information for the LGS plant site, makeup water supply system and transmission system. We would also welcome your confirmation of our conclusion that LGS license renewal would not adversely affect threatened and endangered reptile and amphibian, fish, and invertebrate species.

Mr. Chris Urban January 19, 201 1 Page 4 of 4 Because we plan to incorporate a copy of your response, as well as this letter, into the LGS license renewal environmental report that will be submitted to the NRC as part of the LGS license renewal application, your response will be most helpful if we receive it by March 10, 201 1.

Please call Nancy Ranek (610-765-5369), our License Renewal Environmental Lead, if there are questions or you require additional information.

Sincerely, Michael P. Gallagher

Enclosures:

Receipts for PNDl Search #s 201 004212401 74,201 00421 2401 63, 20100406237563,and20100407237630 :

Threatened and Endangered Reptile and Amphibian, Fish, and Invertebrate Species that could occur in Montgomery, Chester, and Bucks Counties :

Figures Depicting LGS Project Features (Figures 1 through 9)

Mr. Chris Urban January 19, 201 1 Page 1 of 19 ATTACHMENT 1 Receipts for PNDI Searchs Receipt for PNDI Search # 201 004212401 74, Limerick GS...................................................... 2 Receipt for PNDI Search # 201 00421 2401 63, Perkiomen Pumphouse...................................... 7 Receipt for PNDI Search # 201 00406237563, Bradshaw pump.........................................

I 1 Receipt for PNDI Search # 201 00407237630, Bedminster WPF...................

........................ 16

Mr. Chris Urban January 19, 201 1 Page3of 19 RESPONSE TO QUESTION(S) ASKED

Mr. Chris Urban January 19,201 1 Page 4 of 19

Mr. Chris Urban January 19, 201 1 Page 5 of 19

Mr. Chris Urban January 19, 201 1 Page6of 19

Mr. Chris Urban Attachment I January 19, 201 1 Page 7 of 19 PNDI Project Environmental Review Receipt Project Search ID:

20100421240163

1. PROJECT INFORMATION Project Name: Podtiomen Pumphouse Date of review 4/2112010 4:16:12 PY Project Category: Energy Storsge, Pduction, and Transfer,Energy ProducCiafi (g~tion),Nucbar Pamr Plant - maintenance, rnodincrtlon, or expansion Project Area: 3.5 acres Caunty: Montgomery Tawnshlp/Municipality: Perkicrmsn Quadrangle Name: COLLEOEWLLE - ZIP Code: 19428 Decimal Degrees: 40215611 N, -75.451022 W Degrees Minutes Seconds: 40' 1 2 5459" N. -7SP 27' 3.7 W
2. SEARCH RESULTS Agency Results

Response

PA Game Cammission No Known Impact No Further Remw Required PA Department of Conservation No Known Impact No Further Review Requlred and Natural Resources PA Fiih and Boat Commission No Known Impact No Further Review Required U.S. Fish and Wildlife Service No Known Impad No Further Review Required As summarired above, Pennsylvania Natural Divers& Inventory (PNDI) rscords indicate no knclum impacts to threatened and e n d a e sped-andlor spedal corrcem species and resources wfWn the project area.

W e

based on the Information you provided, no further coordination is required with the jwis&Uanat agendes. Thls response does not reflect potential agency concerns regarding impeds to other ecdogical nwourcss, such as wetlands.

Page I of 4

Mr. Chris Urban January 19, 201 1 Page 8 of 19 PNDf Project Enviromenlaf Review Receipt Projc~t Search ItD: 2010942 1260 163 Note that regardles of PHD! sear& r W &, pmjects requlrlng a Ch@%r 4 05 DEP i&i I pwmilorGP5,6, 7,13,9 or 41 in wttain murttbe: (Mam, 8eW, Bucks, Cahn, CMtsr, CumbBTlaRC1, maware, Lawstea, Lebmon, Lehbh, Ailon-,

WQamry, N&mpton, S&uylMII and Yo&) must comply wth the k g turtkt habitat scrmlng requiren-rents of the PASPW.

3, AGENCY COMMENTS dverrte irrtms to the= t-qmcies a& haWts c;imncrl b44 woi&d.

Thew wenq &bm ate of U'te mJaw), artd are b a d the prrjed infomta and fmnr~~3~;

8nd any arch. Many ob the WlWng ctr;rwe: If project imm, 2) pr;oj& 8128 w mn@um@msn,

3) @wed type, or 4) rm to the qusstktas that wn a&& during tha online mdw, the resub of this N w am nst Wtd, and the m+%w mst b9, s&x&&

again via the PNDl Endtonmnt91 Review Tml and m & m W tQ the jurlgdictional

. The PNDI tool is a primary scpfhening tad, and a &sWp Mw m y reveal mors or feww impcts tftafi what is listed on this PNBI raoeipt.

PA Game Commission RESPONSE: NO tnpacr IS anticipated w wea&ttan& and edangentd s

~

8 s

andlar s PA Deparlment of Conservation and Natural Resources RES93"oNSE: No tmpa~t is anlidpat4 to &re end emtiar6)wetf species anrtlor special sp&es and rcsww.

PA Fish and Boat Gommfssionr RESPONSE: MO lnrpaa @ enwpiutsd b species end m w r w.

U.3. Fish and 'VViIdZPfe SswSce RESPORSSE:

cronrru&liodcwdiw

16 U.8.C. liNt drtq, is requird. 8-uw

- f ha respenw does not reW pa&rrtiaf Fish tPcs fish attcl Wldllfe b d i m O o n At2 or othw

wmntirts,
4. DEP INFbRMATtON The Pa Ilewrt.mnt rtf &nuironmental P r o b a n (DEP) requires a sign& capy of this r d p t, &ng with any raquire-d da61Jmnt;atian from jutisdwnal alpsds ming r%Wlution of ime, W trubmiw witt-1 a~l'wtions far prsmits rquidw FWD( review, For caws where a "Potenllel Impact" to m a t e n 4 and sndangwed species has i&W befare the applicsfion hrrs been suhitted to D S ~ U M na bmgW untif the ~ r n as been remftlw. For castas when, "Pomtial GOmm 8

Mr. Chris Urban January 19, 201 1 Page 9 of 19 PNDI Project Enviromenbl Reviw Receipt Prajecr Search ID: 201 0042 1240 163 shslfld be wminiancl ta DEP skong &h the PNDI receipt, a complet& WOf fQPm a U5GS 7-6 mint&

&S d@#n8atcrd MI &ti!

nt#kp, T b P

  1. rams 06 Ww WDl Receipt. OE p&(s), See the DEB PNDI policy at

Mr. Chris Urban January 19, 201 1 Page 10 of 19 PNPI)I Project Enviromenla'f Review Receipt Project Scmch ID: 20 f 004212401 63

5. ADDIT ION& INf ORMATION The PNDl envimnntenbl reviw w&&b is a preliminary 9creeni~

tad, There are often Ways in species &abs clas&caticns. f3ecauw the p r a p & status repwnts tlrs h t

avaitam t sUm status of the species, state ju&Monal agency staff g k ttie pwsa3d s tion mwi %at a -thr&md and jurisdMmal agm es imnwtdiately to idWfy and re

6. AGENCY CONTACT IMFBRWTION PA Bepaernent of Consswat-Ssn atMt U.B. Fish and Wffdltf9: 8errJJcs Natural Rwcrulrc_es Endang ion Bureau of Fmstry, Emiogic-al Swims Section 315 Sou 4430 Market Street, PO Box 8552, Hadburg, PA. lwlal 19155-8662 W Faxes Please.

Fruc:(?l?f 772-0271 PA Fhsh and 80& Gomm~sksian PA Game Cwmissim Bivr 450 NO faxes Please

7. PROJECT GONTMT INFORMATION 8b CERTlFlCAT16N I w m that ALL Qf thC3 project in#omam# contained in this receipt (i&r;rbing mat lwm, project sizeleon@ufis&on, project type, answerts to que&~m) pa ?me, awrat.e ensf wmplete, In Waddih, if the projW ask& d&w this Pager 4 of 4

Mr. Chris Urban January 19, 201 1 Page 11 of 19 PNDI Project Environmental Review Receipt Project Search ID: 20108406237563 Project Name: Bradshaw-purnp Date of review: 41612010 3:53:37 PM Project Category: Energy Storage, Production, and Tranofor,Enotgy Production (generation),Nudear Pawar Plant - maintenance, modifhation, or expannlon Project Ama: 36.5 acres County: Bucks Township/MunicipaJity: Plumtoad Quadrangle Name: LUMBERWLLE - ZIP Code: 18947,18901 Decimal Degrees: 40.397483 N, -75.063180 W in&@ Seconds: 40" 25' 50.9" N. -75' S 353" W s,

2. SEARCH RESULTS Agency ResuHs

Response

PA Game Commission Mo Known Impact No Fwtht# Review Required PA Department af Cmsrwvation No Known Impact No Further Review Required end Natural Re&cmrc14s PA Fish and Boat Commission Pobntbl Impact FURTHER REVIEW IS REQUIRED, 800 A~ncyReoponse U.S. Fish and Wildti Service No Known Impact No Further Rev& Required As summarized a h, Pennsyfvanla Natural Diversiry Inventory (PNOI) records bxHcete them may be potential impads to ttveatsned and endangered an&

spedaf mncetn species end resources within the pmjd area. 1 the response above indicates 'Nu Further R w i w Required" m addttkmal communication with the r e s p c h

agency is mquked. tf the response ie "Further Review Required' or *See agency RespMlse," refer to the appmptIate agency m e n @

below. Please see the OEP Informetion S6c61on of thk recalpt if a PA Dapal.brmnt of Envimnmental Protection Pemdt is requked.

Page t of 3

Mr. Chris Urban January 19, 201 1 Page 12 of 19 PNBE Project Envhmental Review Rewipr:

Project Search ID: 26EQ0406237563 N W that teg of ISP9Df gct.aM rewltar, p requlslrtg a Chsipbr l Ofi DEP idivfdual p m R ar GP 5-8, 7,8,9 cx 11 in w a ~ n

~ ~ l n t b. ~

( A d m, B a&, CZslawre, Lirnmmr, h a m t wemm raquiremnb ot the PASBGP.

RESWNSE fO QUESTIOM(S) ASKED Your anww is:

InvestwraCr ly so wjm maands.

3, AGENCY COMMENTS Be m1d with T

W a g w w inations and ras-sr?rp am wlM for a m yaar [fsm We dprte; of the rn-1,

~ l r e based on the project InfoPmatia~ that uras provia&, idding the exact EoCgtbn; the pr*ct type, h - b n,

chanp 9) project Iwtion, 2) sia?~

of W ~ m G a n,

3) pmjst PA Game Commission RESPONSE: No trnw FS 8nticipatrt.d to &=ten&

and errbangw& qstcies andlor -cia!

sppC1w and resour-.

PA Department of Conssrvalicn and Natumi Resaurces RESpOH$Et W Impact is ilnWpatd to Bre*n&

and sndwwrcsd sped= arn&or rn spdes and rewas, PA Fish and Boat ComtwrSssEon Page 2 d 5

Mr. Chris Urban January 19,201 1 Page 13 of 19 IJNDl Projeer Envkomenbl Review Remipt Project Seach ID: 201 237563 PFBC Species:

Scbenaflc Warn: Sensitive Swcies**

C--ton Pliatns:

Cumfit Shtus: Ttmreatened Status: Special Conam Spedes" U,8, Fish anid Wildlife &wicr%;

WESPOMSE: No imps& to is rrsqdmd. Because no take cf fedarally cipasd, nom Is a reflcrct pbtr,nmI FIsh and IPl"iMLlts Sewice Goncptms undsr t b Fish and Wildlifi, WdmtEon Ad. cw o h f W h d h 8,

  • Sp~dcial Concern Swa a v a - BlsM or a n h ! I; clad#& ss rare, m i d & @ as we! as other of eonwwawn w n m, Mnitfcant naWd mm w u l a h s (-%

or and unhue, gerjlogic fmhm.

  • " SsrrsWe Spedes i$srttW by the juwictinal wency dl&@,

ha e result & visitation.

W A T TO SEND TO JURISDICTIONAL AGENCIES e m & t)rs trsvkw Zicmship af ttte prq&

yskxif femmtr Color photos keyed to the basic &e @an ({.a. showing on sita @an Were and in wMt &r and hew this wes &ermlW

, pmvMe project plans shwing Page 3 of 5

Mr. Chris Urban January 19, 201 1 Page 140f 19 PNDI Proje-ct EnviromenL%1 Review Rmipt Prajmt Search ID: 201 WClh237567 4, DEP INFORMATION n (DEPJ wiquirc3a that a signed mpy of this nsccsipt, akng with any a*)

Sse the DEP

Mr. Chris Urban January 19, 201 1 Page 15 of 19 PNDI Project Envkamenal Review Receipt Project Search ID:

201004614247563

5. AbDlTIlOMAL INFORMATION enttmmd mdl"01 swial m pg&es and m-ms axkt in ymr pr~jrsct mtar, judsdiGtiQnerl agmqiqen&a lately to i&m aims$ resolve any Imp-.

For 8 li& d s p a s known to o a r In fhe wun&

your prqitiact is 1w$W, p k s ~

w tha mi-lists by county ajurrd an tlwa PA Nahml Meribge Program (PNHP) horns page

.~lr;llb&~e.sZst%8paa~sff note that the PPNDl maiJmnma7ltal Revkw Tad only antains infomtiw sbwt ~ 1 e t - s astuay heen m m e d b the PNXP.

PA Dlspamtlmt a# Cansewdun and U'S. Fish and WIWlife Sarnrlcsz N a m l Resaurcgs E

Bwwu of Fomsby, Emlwcal2brvicz3s Scsctim 3

322, State College, PA.

4QO S&wt, PO 80x 8552, Hrmis-$urg, PA t m j a 1 131 NQ Fwes Pbast?.

Fax:(717f 7724271 PA Fish and Elol Cornmision PA a m Cammlssfon Divisiwlaf Eneronmntal Serriaes Bureau of Wldlifer *bitat 450 Ralzinson Lsne, Bdlente, PA, 1W23-7437 Div"t9im of EnvironmnM HaWW P m a o t t NO Faxes Please 2001 E M -

, HBRISbuq, PA. f f t t QBf97 fw(717) 387-57

7. PROJECT CONTACT IWFORMATOON
8. CERTIFICATION I cwtify that ALL d the prow infm&w mQkd

&I this mWpt {including p r w h g m, project stz uratisn, project &pa, answm to quastions) is true, aecurato afld eomwbrt. In Mitian, if the w& to rm G anline environmental rllvj&i

Mr. Chris Urban January 19, 201 1 Page 16 of 19 PMDI Project Enw'ronrnental Review Recerpt Project Search ID: 20 100407237630

1. PROJECT INFORMATION Project Name: BedmimtwJUPF Dste of mvlew 4Rt2010 10:02:31 AM Project Category: Energy Storagd, Production, and Tmnsfer,Energy Produdan (generatlon),Nuci.ar Power Plant - maintenance, madiflcttion, or sxpansbn Projed Area: 2.4 ecres County: Bucks township/lvlunlclpalii: Bedmindat Quadrangle Name: BEDMlNSTER - ZIP Code: 18947 Decimal Degws: 40.399023 N, -76.158205 W Degrees Minutes Secands; 40' 23' 56.5" N. -79 ;' 2B.5" W k

o F

@Q#e 4*h.(.

mm1IClgOtuOIY

2. SEARCH RESULTS Agency Results

Response

PA Game Commission No Known Impact No Furthsr Rolw Required PA Department of Conservation No Known Impred No Farther Review Required and Natwal Resource$

PA Fish and Boat Cammissh No Knawn Impact No Further Review Requid U.S. Fish and Wildlife Senriae Plo Known impact No Further Review Required As summatized rsbove, Penmytwnia Natural Ubmity llnventwy (PNDI) recatds krdicate m knmn impacts to threatened and endangered spedes and/or spedal mcnm specias and res~lrcw within the pmdQct ma.

T h 8 7 6 f o r e. ~ o n t h e i n f M m a b i o n y o u p m v i d e d, n o ~ c o o r d l n a ~ b ~ r e d W t h e / u ~ c d agencies. fhls feeqmw does not r e W potential agency concern regarding impacts to other ecological rasooms, wctr ius Wanda Page 1 of4

Mr. Chris Urban January 19, 201 1 Page 17 of 19 PNDlt Project Envkumentill Review Receipt:

Project Search D:

201 6304072376630 3, AGENCY COMMENTS and %atures; and any Wnge: 1) ptojcrct I wew Wed during tha again rAa the PPaDl En receipt.

PA Game Cornmissian RESPONSE: No k a m p W to tm8bMd W ~fidi3fl~w.B-d

~

m d

~

WW 8md specs enrf rescram.

PA Departfilent of Consewation arid Nahml Res;ources RESPONSE: Na impad is antidpaw to tad end en-wed species W o r special co sgsdc3cr and rmurm6.

PA Fish and Boat Commission

RESPONSE

NO ~mmd is anticipated to itrrf~~tensd and endangered spewiss andlor specks and ms0un;esi.

U.S. Fish and Wildlife Sewice

$6 U.S.C. $533 et918q.

Ik CWim80pr ar ot)rw 4, OEP ENFORMATLION The % Detpamnt of Enviran n (DEP) requires that a &gnd copy d lMs mstaipt, along wth any to thread and before the epplldm has hm b e r ~

r d v e d. For ~ 8 3 icKI

Mr. Chris Urban January 19, 201 1 Page 18 of 19 PNDI Project En.i;hommbi Review Receipt Projeer Search ID:

201 00tlQ7237630 ipt &ouM aiw be sub&aed jWdM-1 a g m q wilt OEP PNDI policy at

Mr. Chris Urban January 19, 201 1 Page 19of 19 PNDI Project Enviromental Review ReceiF Project Search ID: 20100407237630

5. ABllllTIOIgAL ONFORMATION The PNBI era\\rimmM mrlrJw w m f e is a vliminacy s-niw foal. There am aften &leys in upd&ng ificationas, &muse w p s e d status mpnam& the best aWkble inkmafmn warding st%tuses at bast the
6. AGENCY CONTACT fNF01RMAf ION PA bepartmen4 of Conscarv&c)n and U.S. Fish and Wildtifia Natu~orl Rm Bwwu of Fore h l Swims Sedan 322. State Cidlage, PA, 400 Wrket Srwt, PO BDX 8552, Hadaurfl, PA.

171 05-Btj52 NO Faxes %am.

Fax:f73 7) 7 7 2 m 1 PA Fish and Bsat Gommi=ian PA Game Cbmmiasion

&asson a# E n v i m m U I hrvim NO Faxes F%mga Haisburg, PA, f 71 f 0-9797 Fax:(Tf 7f 78741;157 Page 4 d 4

Mr. Chris Urban January 19, 201 1 Page 1 of 2 ATTACHMENT 2 Threatened and Endangered Reptile and Amphibian, Fish and Invertebrate Species that could occur in Montgomery, Chester, and Bucks Counties

Mr. Chris Urban January 19, 201 1 Page 2 of 2 Note: -- in the Federal Status column signifies that the species is not a federally-listed species.

Threatened and Endangered Reptile and Amphibian, Fish and Invertebrate Species that could occur in Montgomery, Chester, and Bucks Counties Scientific Name Common Name Reptiles and Amphibians Federal Status Glypfemys muhlenbergii Opheodrys aestivus State Status Bog Turtle Rough Green Snake Counties with Recorded Location I

Invertebrates Threatened Alasmidonfa heferodon Endangered Endangered Dwarf Wedgemussel Montgomery, Chester, Bucks Chester Endangered Endangered Montgomery, Chester, Bucks

Mr. Chris Urban January 19,201 I

Page 1 of 10 ATTACHMENT 3 Figures Depicting LGS Project Features Figure 1 LGS Plant Site Property Boundaries Figure 2 Perkiomen Pumphouse Figure 3 LGS Makeup Water Supply System Figure 4 Bradshaw Reservoir and Bradshaw Pumphouse Properties Figure 5 Bedminster Water Processing Facility Property Figure 6 Limerick to Cromby 230 kV Transmission Line Route Figure 7 Cromby to North Wales 230 kV Transmission Line Figure 8 Cromby to Plymouth Meeting 230 kV Transmission Line Route Figure 9 Limerick to Whitpain 500 kV Transmission Line Route

Mr. Chris Urban January 19, 201 1 Page 2 of 10 Nag 1983 8ale Plane Psnnqhan~a S o h Rojedon Lambert Conforml Conlc Linear Unl Foot US Tofal Erelon GsneraBorrowned ro ert Exelon Generation

- - County Boundary

- - Municipal Boundary don Generation

Mr. Chris Urban January 19, 201 1 Page 3of 10 0

1000 2000 4 000 Rderence

-Feet USGSTopograph~c aadrangle Cdlegwilk 1998

!&@Ed NnD 1983 Bate Phne Psnnsytran~a Soulh Rojsdion Lambart Confoml Conlc h e a r Unl Foot US Figure 2 Perkiomen Pumphouse Exelon Generation Limerick Generating Station I

Llmenck Townsh~p, Montgomery County. PA

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Pennsylvania Fish & Boat Commission Division of Environmental Services Natural Diversity Section 450 Robinson Lane Bellefonte, PA 16823-9620 established 1866 (814) 359-5237 Fax: (814) 359-5175 February 1 1, 20 1 1 1N REPLY REFER TO SIR # 35712 NANCY RANEK EXELON NUCLEAR 200 EXELON WAY KSAJ2-E KENNETT SQUARE, PA 19348 RE:

Species Impact Review (SIR) - Rare, Candidate, Threatened and Endangered Species RENEWAL OF OPERATING LICENSES FOR LIMERICK GENERATING STATION UNITS '1 & 2 MONTGOMERY AND CHESTER Counties, Pennsylvania

Dear Ms. RANEK:

The staff of the Natural Diversity Section has examined the map accompanying your recent correspondence which sl~ows the location of the above referenced project. Based on records maintained in the Pennsylvania Natural Diversity Inventory (PNDI) database and Pennsylvania Fish & Boat Commission files, the eastern redbelly turtle (Pseudemy.~ rzlbriver?tris, PA threatened) and globally rare amphipod and/or isopod species are known from the vicinity of the project sites.

The eastern redbelly turtle is one of Pennsylvania's largest native aquatic turtles. This turtle species is known to inhabit relatively large, deep streams, rivers, ponds, lakes and marshes with permanent water and ample basking sites. Redbelly turtles are restricted to the soutl~central and southeastern regions of the Commonwealtl~. The existence of this turtle species is threatened by habitat destruction, poor water quality and competition with aggressive non-native turtle species that share its range and habitat (e.g., red-eared slider, Truchenrys scripfu eleguns).

Isopods and amphipods are small invertebrate species (crustaceans) that inhabit coldwater springs, seeps, on hillsides and in caves. Although these species are not listed as candidate, threatened, or endangered, they lnay be listed in the not so distant future. These rare invertebrate species are threatened by habitat destruction and poor water quality.

Given that the proposed license renewal will involve no new construction, earth disturbance, or changes to existing land uses, I do not anticipate the proposed activity to have any significant adverse impacts to the species of concern under PFBC jurisdiction.

Note that this office performed no field inspection of the project area. Consequently, comments in this letter are not meant to address other issi~es or concerns that might arise concerning matters under Pennsylvania Fish and Boat Commission jurisdiction or that of other authorities. If you have any questions regarding this response, please contact Kathy Gipe of my staff(814-359-5 186) and refer to the SIR number at the top of this letter. Thank you for your cooperation and attention to this matter Our Mission:

www.fishandboat.com To protect, conserve and enhance the Cornrnonwealtb 's aquatic resources al~dprovide~shin~

and boating opportunities.

SIR d35712 Ranek Page 2 of endangered species conservation and habitat protection.

Christopher A. Urban, Chief Natural Diversity Section