ML17054A085

SPDES Permit Ny 000 1015,issued to Niagara Mohawk Power Corp

ML17054A085
Person / Time
Site:	Nine Mile Point
Issue date:	06/06/1983
From:	Torta R NEW YORK, STATE OF
To:
Shared Package
ML17054A086	List: ML17054A085 ML18038A597
References
NY--1015, NY-000-1015, NUDOCS 8309120211
Download: ML17054A085 (42)

Text

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R. Baker, Effective Date (~

'July 1, 1983

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R. Spear Oswego County Hlth. Dept.

Expiration Date (ExDP)

Ju1y 1 Niagara Mohawk - Lycoming DRA - R7 Mr. Geisendorfer, Rm. 308, BWFD NEW YORK STATE DEPARTM2tT OF ENVIRONK2VAL CONSERVATION STATE POLLUTANT DISCHARGE ELIMINATION SYSTBi (SPDES)

DISCHARGE PERMIT Special Conditions (Part I).

This SPDES permit is issued in compliance with Title 8 of Article 17 of the Environmental Conservation Law of New York State and in compliance with the Clean %later Act, as

amended, (33 U.S'.C.

51251 et.

~se.) (hereinafter referred to as "the We").

Permittee Name: ~~ Mohan Pcs'OzP.

Permi,ttee Street:

3pp ~ poulevard Vent Permit tee City:

Syracuse State: N.Y-Zip Code.

1 202 A~: '

J Mo T081lDLBsg Em. Affairs D~~r is authorized to discharge from the facility described belo~:

Facility Name: ~ ~e pt:. Nuclear Qeaexatmp Station Units 41 a?xi 2 Facility Location (C,T,V):

Facility Mailing Address (Street):

Facility Mailing Address (City): Lyccn~

into receiving ~aters known as:

County:

State:

N.Y.

Zip Code: 13093 Lake One~ Class A Speci-il in accordance with the effluent limitations, monitoring requirements and other conditions set forth in this permit.

This permit and the authorization to discharge shall expire on midnight of the expiration date shown above and the permittee shall not discharge after the expiration date unless this permit has been renewed, or extended pursuant to law.

To be authorized to discharge beyond the expiration date, the permittee shall apply for permit'enewal as prescribed by Sections 17%803 and 17-0804 of the Environmental Conservation Law and Parts

621, 752, and 755 of the Departments'ules and regulations.

By Au horitv of Designated Representative of Commissioner of the Department of Environmental Conserva on Date Signature ol 20 2(6/80)P<

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17 Facility ID No.:

r EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS During the period beginning July 1, 1983 and lasting until July 1, 1988 the discharges from the permitted facility shall be limited permittee as specified belov:

and monitored by the Outfall Harrier 6 Effluent Parxbeter Dis e ~~dna

Monitor.

Measurement Sample 01Q Condenser Coo TAter Un'$l Fl~

Discharge Temgerature Intake - DiscEmrge Temperature Difference a Net Rate of addition of heat a Cyanide d 35 1 ll Q.l cp 1Q l~l/hr.

mg/1 Contixxxua Continuous.

Contizxmua Metered Hourly Calculated monthly 12.-hr. Gm~sit OU. Unit fl Wastewater Oil and Crea@a Suspended Sqlida pK Cyanide d

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'Q4 Batch. before discharge it@/1 SU mg/1 It 02Q Storm Draina e "(go'Monitor' ed). Unit 51 Q21 Filter 'Bacthrmh.'6 Darnneralixer Pater 1

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Oil 6 Grease, Suspended Solids PH 15 3Q 5Q.

6,Q ~ 9.Q Nangef.

mg/1 mg/1 Batch Calculated Batch each.

Grab discharge r r

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'Air'Conditio Oil and, Grease Suspended Solids pE 15

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6',0 ~ R,O (/puef mg/1 mg/1 Bimonthly 91-20-2(5/80)Pg.

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Part I Page 3 of 17 Facility ID No.:

NY 000 1015 EFFLUENT LIMITATIONSAND MONITORING REQUIREMENTS During the period beginning with initiation of preoperational testing (Unit 82) and lasting until EDP + 5 Years the discharges from thc permitted facility shall be limited and monit'ored by the permittee as specified below:

Outfall Number I Effluent Paramctcr Dischar c Limitations Units Monitorin Rcamts.

Measurement Sample

~DC 001-006 Storm Drains e (No Monitoring Required) 007 Floor and E ui ment Drains Oil and Grease Suspended Solids pH 30 6.0 - 9.0 (Range) 15 50 mg/1 mg/1 SU 2/Month Grab II 008 Screen Well Fish Diversion S stem (No Monitoring Required) 040 Coolin Tower Blowdown (Unit /I2)

FloW Discharge Temperature 110 (43.3)

Int'ake 'ischarge Temperature Difference 30(16.7)

Net Addition of Heat 0.12 x 10" Total Residual Chlorine 0.2 0.5 pH 6.0 9.0 (Range)

F( C) 1I kcal/hr.

mg/1 SU Continuous II Daily Continuous 2/Week Recorder tl Calculated Recorder Grab 041 Unit //2 Wastewater (Includin Demineralizer Re eneration Wastes, Filter Backwash, Floor Drains, 6 Treated Radioactive Wastes.)

FloW Oil and Grease Suspended Solids pH 30 6.0 9.0 (Range) 15 50 mg/1 mg/1 SU Batch Calculated Grab (once before discharge)

FOOTNOTES

+Monitoring Requirement Only The intake temperature shall be considered that temperature existing after intake water tempering.

<<bThese limits and monitoring requirements shall not apply if this wastewater is discharged upstream af the sewage treatment facility.

cThere shall be no discharge of heat from the main condensers except heat may be discharged in blowdown from recirculated cooling water systems provided the temperature at which the blowdown is discharged does not exceed at any time the lowest temperature of recirculated cooling water prior to the addition of the makeup water.

Monitoring and limits may be deleted following DEC evaluation of monitoring data.

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Page of 17 Facil ty'.D. No NY 000 1015 During the period beginning EDP discharges from the permitted facility as specified belov:

Outfall Number Effluent Limitations hhoCb 030 and lasting until EDP + 5 Years shall be limited and monitored by the permittee TABLE I

(

num Lied.ts except where otherwise indicated)

(X) Flov 30 day arithmetic mean 65 000

(

)MGD (X)GPD (X) BOD 30 day arithmetic mean

~~mg/1 and 1Be'/day (1)

( )

BOD>

7 day arithmetic mean

'g/1 and lbs/day (X) BOD~

Daily 43 mg/1 and lbs/day

( )

UOD (2)

, Daily mg/1 and lbs/day (2) Suspended Solids 30 day arithmetic mean 23 mg/1 and lbs/day(1)

(

) Suspended 'Solids' day arithmetic mean mg/1 and lbs/day (X) Suspended Solids Daily mg/1 and

'bs/day (2) Effluent disinfection required:

(g) all year

( ) Seasonal from to Fecal Coliform 30 day geometric mean shall not exceed 200 100 ml Fecal Coliform 7 day geometric mean shall not exceed 400/100 ml Fecal Coliform 6 hour6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> geometric mean shall not exceed 800/100 ml (3)

Fecal Coliform No individual sample may exceed 2400/100 ml (3) d~

) Total Coliform

) Total Kgeldahl Nitrogen

) Ammonia

) Dissolved (hgrgen (X) pH e

(X) Settleable Solids

( ) Phosphorus

( ) To~ Nit ogen

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The chlorine residual in the final discharge mg/1.

Daily Dai~

Daily Mhdznun Range Daily Daily Daily Monitorin Re uirements Parameter (X) Total Flov, MGD (X) BOD, mg/1 (2) Sue[ended Solids, mg/1 (X) Fecal. Coliform, No./100 ml

(

) Total Coliform, No./100 ml

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) Total K)eldahl Nitrogen, mg/1 as N

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( ) Dissolved Oxygen, m

(X) pH (X) Settleable Solids, ml/1 (X) Resid~ Chlori e, mg/1

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Temperature, C

) Total Nitrogen, mg/1 as N

) Visual Observation TABLE 2 Z

~2Mouth Grab le Location Influent Effluent (2)UOD (Ultimate Oxygen Demand) shall be computed and reported as follovs:

UOD = 1$ x BODg + 4$ x TKN (Total Kfeldahl Nitrogen).

(3)applicable only in the Interstate Sanitation District.

(4)sample contact chamber effluent and fina1 effluent if limits are specified for both 91-20-1 (2/78)

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Page5 17 Facflfty ID No.:

NY 000 1015 DeHnftion of Dail hvera e and Dail Maximum The daily average discharge is the total discharge by wefght or fn other appropriate mits as specffied herein, during a calendar <<oath divided by the number of days in the

<<onth.that the production or commercial facility was operating Where less than daily saapl6xg is required by this permit, the daily average dfscharge shall be determfned by the eumnatfon of all the aeasured daily discharges in appropriate units as specified herein-dfvided by the number of days during the calendar month when the measurements vere <<ader The daily maximum discharge means the total discharge by weight or in other appropriate unfts as specified herein, during any calendar day.

Nonftorfn Locations Permittee shall take samples and <<easurements to <<eet the monitoring requirements at the location(s) indicated below:

(Show locations of outfalls with sketch or flow dfagram as appropriate)

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Par't Page 7o 17 Facility ID No.

NY 000 1015 ADDITIONALREQUIREMENTS:

I.

The followin re uirements are a

licable to Units Nl and 42.

1.

There shall be no discharge of PCB's from this facility.

2.

In regard to general conditions 11.5, items f3 and N4 shall be reported semi-annually to NYSDEC offices in Cortland and Albany.

3.

There shall be no discharge of boiler chemical cleaning compounds, metal cleaning wastewater, or boiler. hlowdown fran this facility.

4.

Radioactivity a.

Gross Beta Bhal) not exceed 1,000 picocuries per liter in the absence of Sr and alpha emitters.

b.

Radium 226 Shall not exceed 3 picocuries per liter.

c.

Strontium 90 Shall not exceed 10 picocuries per liter.

5.

The permittee shall submit on a trimesterly basis a report to the Department's offices in Cortland and Albany by the 28th of the month following the end of the, period.

Submission of reports for Unit N2 shall commence with the initiation of reactor low power testing.

a.

Daily minimum, average, and maximum station electrical output shall be determined and logged.

b.

Daily minimum, average, and maximum water use shall be directly or indirectly measured or calculated and logged.

c.

Daily minimum, average, and maximum intake and discharge temperatures shall be logged.

d.

Measurements in a, b, and c shall be taken on an hourly basis.

6.

The location, design, construction, and capacity of cooling water intake structures, in connection with point source thermal discharges, shall reflect the best technology available for minimizing adverse environmental impact.

7.

All thermal discharges to the waters of the state shall assure the protection and propagation of a balanced indigenous population of shellfish, fish, and wildlife in and on the body of water.

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Part I A Page 8 W Facility ID No.

NY 000 1015 8.

Niagara Mohawk shall notify the Department within one week from the time of submission to the Nuclear Regulatory Commission of any requested changes to the Environmental Technical Specifications requirements which could in any way affect the requirements of this permit.

9.. Niagara Mohawk shall also'ubmit concurrently to the Department any water-related report on the environment it submits to any federal, "state, or local agency.

10.

Niagara Mohawk shall provide access to the Nine Mile Point Site at any time to representatives of the Department subject to site security regulations to assess the environmental impact of the operation of the Nine Mile Point Nuclear Facility and to review any sampling program, methodology, and the gathering and reporting of any data.

No biocides, slimicides, or corrosion control chemicals are authorized for use, except for those listed by parameter in the permit.

Prior Department approval is required for any additional use of these chemicals as well as for the use of any new water treatment chemicals.

The followin re uirements are a

licable to Unit gl.

By August 1, 1983, the permittee shall submit final plans, signed and sealed by an engineer licensed to practice in New York State, describing the addition of storage capacity for discharges 011 and 021.

Construction to be initiated by October 1, 1983.

2.

The Department has approved the applicant's request pursuant to Section 316(a) of the Clean'Water Act (CWA) for alternative effluent limitations at this facility.

The thermal effluent limitations on page 2 of this permit reflect this approval.

3.

The water temperature at the surface of Lake Ontario shall not be raised more than three Fahrenheit degrees over the temperature that existed before the addition of heat of artificial origin except in a mixing zone consisting of an area of 425 acres from the point of discharge, this temperature may be exceeded.

4 ~

The Department has contingently approved the applicant's consideration of intake impacts submitted pursuant to Section 316(b) of the CWA.

Completion of,.the biological monitoring program described, in Additional Requirement Section IV and demonstration of impacts similar to previous studies is required to obtain final approval of the 316(b) request.

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Facility ID No.

NY 000 1015 The followin re uirements are a

licable to Unit 42.

By initiation of reactor lower power testing, the company shall file for approval with the Department at its offices in Albany and Syracuse an updated report on all Unit 52 water treatment, corrosion inhibitor, anti-fouling, slimicide, biocide, and boiler cleaning chemicals or compounds.

Such report shall identify each product 'by chemical formula and/or composition,'nnual consumption,

'frequency of use, maximum use per incident, effluent concentration, bioassay and toxicity limits, and procedures for use.

Approval shall only be granted for those circumstances and uses which do not contravene New York State Water Quality Standards.

No substitutions will be allowed without prior approval.

Wastewaters containing chemicals and oil shall be collected and treated prior to dilution with non-contact cooling water in facilities which shall be approved by the.Department.

2.

No discharge from this facility shall cause violation of the New York State Department of Health regulations contained in 10 NYCRR Part 170 at the source of intake of any water supply used for drinking, culinary or food processing purposes.

3.

Pursuant to Part 704 Criteria Governing Thermal Discharges, Section 704.3-Mixing Zone Criteria, upon the presentation of a final design for the discharge, the Department shall specify, as appropriate, definable numerical limits for the mixing zone, including linear distances from the point of discharge, surface area involvement, and volume of receiving water entrained in the thermal plume.

4 ~

Not less than 180 days prior to the initiation of discharge from the Nine Mile Point Nuclear Generating Station Unit g2, Niagara Mohawk shall submit for approval to the Department of Environmental Conservation a plan of study for:

Verification of the extent of the thermal plume in the receiving waters by conducting thermal surveys in alternate months except for December through March during the first two years of operation.

5.

Existing biological studies in Lake Ontario as required by regulatory agencies shall continue.

Such study programs shall be adjusted as required by regulatory agenci:es to assess the opeiating impact of Unit 42.

Requirements to submit reports, frequency of submission, and content shall be established at the time of approval of the study programs.

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Page

'f '17 Facility ID No.

NY 000 1015 6.

Not, less than 180 days prior to the initiation of discharges from the Nine Mile Point Nuclear Generating Station Unit 52, Niagara Mohawk shall submit to the NYSDEC office in Albany three copies of the following plans and specifications.

Plans shall be stamped by an engineer licensed in New York State.

a ~

b.

Plans of proposed structures, including intake structure, diffuser, tunnel cross section, cooling tower, screenwell building, and equipment (including pumps).

Plans of all on-site treatment facilities including oil/water separators.

c.

Piping and/or flow diagrams for all facility waste streams, including any piping to or from Nine Mile Point Unit 41 and contaminated plant and site drainage.

d.

Flow diagram of circulating cooling water system from the intake to the diffuser.

IV.

Biolo ical Monitorin and Related Matters Unit 41 A.

Previous Biolo ical Monitorin Data EDP +

3 Months, the permittee shall file with the Chief, Bureau of Environmental Protection in Albany; Fishery Section head in Cape Vincent; and with the Regional Supervisor of Fish and Wildlife in Syracuse a report containing and/or identifying all previous reports regarding this facility which contain biological data relating to the ecological effects of plant operation from March 31, 1975 to the present.

Previously submitted reports need not be duplicated, but title, date, and data location must be completely identified.

A copy of all unsubmitted reports and data shall be sent to the above offices by EDP + 3 Months.

Data to be reported should include, but is not necessarily limited to cooling water flows, dates, times,. available operating and meteorological conditions, and species, numbers and other available biological information.

B.

Im in ement Monitorin The permittee shall conduct a program to determine the numbers and total weights by species of fish impinged on all intake traveling screens.

1.

Collections shall be made seventy-eight (78) days each year, provided that the circulating water pumps are in operation.

When collection days coincide with shut down of the main circulating water pumps, collections need not be taken.

Collections shall be obtained at the following intensity on days randomly selected within each month.

Should the randomly selected dates result in a period in excess of 10 days during any month in which sampling does not occur,

Part page 11 of 17 Facility ID No.

NY 000 1015 additional sampling is required so that periods in excess of 10 days without a sample do not occur.

Month Number of Sam le Da s January February March.

April May June July August September October November December 4

4 4

16 20 4

4 6

4 4

4 4

2.

Collections shall be conducted for a minimum period of 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

The beginning of the 24-hour period shall be selected and held constant by the permittee for all collections.

A collection period shall be no longer than 26 hours3.009259e-4 days <br />0.00722 hours <br />4.298942e-5 weeks <br />9.893e-6 months <br />.

Impingement collection shall be calculated and reported on a 24-hour basis.

3.

Travelling screens shall be washed until they are clean prior to the start of the 24-hour collection period.

4.

Individual length (cm) and weight (g) measurements shall be made on white perch, smallmouth bass, yallow perch, alewife, rainbow smelt, and each species of salmonid in order to characterize the size distribution for each 24-hour collection.

No less than 25 organisms of each species shall be measured unless fewer than 25 individuals occur in the collection.

If more than 25 individuals of a single species are collected, except for smallmouth bass, yellow perch and each species of salmonid which are to be'rocessed separately, a represent-ative subsample of 25 fish shall be removed and lengths and weights recorded for the subsample.

In the event of high impingement numbers, an estimate of the numbers and total weights by species fish shall be calculated as follows:

Estimated No. of Fish

~ (Volume of Total Sam le) X (No. of Fish in Subsam le)

Volume of Subsample The total sample volume shall be determined by repeatedly filling a volumetrically graduated 20-gallon plastic container and then recording and summing the values.

The total volume is then thoroughly mixed by hand or with a shovel and spread

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Part Page 12 of 17 Facility ID No.

NY 000 1015 out evenly over a flat surface.

An aliquot of the total sample is randomly selected and this sample portion is removed from the flat surface and measured in the graduated container to determine its approximate volume.

The total number of fish in the subsample is then determined.

In the event of extremely large impingement loads, the permittee "may request regional staff to make adjustments to or suspend th'e above subsampling procedures.

5.

Electrical output and operation of the condenser cooling water system including intake and discharge temperature and total flow shall be recorded on a daily basis and tabulated as required in the following section en. reporting.

6.

By EDP +

3 Months, the permittee shall file for approval at the office in Section IV.A. above, a plan which will determine the collection,.efficiency of the following impinged organisms:

white perch, smallmouth bass, yellow perch, alewife, and rainbow smelt.

Prior collection efficiency data specific to this plant may be substituted for the above plan provided that it is submitted by EDP +

3 Months, to the NYSDEC and approved by the NYSDEC.

l. All data required by Section IV or incorporated by reference in Section IV shall be included in an annual biological monitoring report.

2.

The annual report shall be submitted by six months from the last month of data collection.

3.

The following shall be included in the annual report in addition to (1) above:

a.

Monthly and annual'otals of impingement by species and grand total over all species.

The calculations to be done are as follows:

~

Monthly "mean" is equal to the total number of fish impinged by species on the sampling days in the month divided by the total number of sampling days.

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Annual "mean" is equal to the total number of fish impinged by species on the sampling days in the year divided by the total number of sampling days.

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'k&~st Part Page 13 of Facility ID No.

NY 000 1015 Similar,calculations shall be made for 'rand total over species.

The total number of fish and sampling days shall be clearly indicated in any table report-ing the "totals".

b.

An estimate of the collection efficiencies to be determined pursuant to Section IV.B.6. above.

If sufficient time is not available to include these estimates in the first annual report, the permittee may, upon written request and substantiation and with NYSDEC approval, extend this reporting requirement into an annual report other than the initial.

c.

Estimates shall be developed of the average monthly impingement rate based on the number of sampling days and total volume of water pumped during these

days, and also of the total monthly impingement based on the average monthly rate and the volume of water pumped during the month, for each species impinged.

4.

All measurements shall use the metric system, e.g.,

flows should be in cubic meters/sec.

(m3/s).

5.

Copies of all reports regarding water and biological parameters related to intake and discharge considerations, whether generated for this permit or otherwise, shall be sent to the offices in Section IV.A. above.

6.

Report(s) submitted in fulfillment of permit conditions shall clearly identify on the title page the permit number and the specific section(s) by character and number that the report(s) fulfill. Each section of the text of such report(s) shall identify the section(s) of the permit that it fulfills.

7.

NYSDEC reserves the right to have more frequent submittal of the data required to be reported, provided that the permittee is given at least one (1) month prior notice of such more frequent reporting requirements.

8.

The measures the permittee instituted, if any, in the report-ing year to accomplish minimization of facility impacts on

'quatic biota shQ1 Ee sent to the offices in Section IV.A. above.

9.

The formats for reporting the following data are included in Appendix A.

Data sheets and formats for report~ the following data:

a ~b.

c ~d.

Flow Temperature Circulator operation Electrical output are available fran the office of Envirorxnental Protection.

Part Page 14 of 17 Facility ED No.

NY 000 1015 D.

Biological specimens may be required to be submitted to the NYSDEC upon request.

E.

The facility shall be operated in such a manner as to minimize facility impacts on aquatic biota.

F.

As a result of the NYSDEC's review of the biological monitoring program, the permittee may be required to implement appropriate methods and procedures to reduce to the fullest extent possible the effects of facility operation on aquatic organisms.

gaIe leg ~ JIIJ ~ d IlI IJIJIJ I IJ I eI SChEDULE OF COMPLIANCE FOR VENT LIMITATIONS (a)

Permittee shall achieve compliance vith the effluent limitations specified 1n this permit for the permitted discharge(s) in accordance vith. the follovtng schedule:

hction Outfall Code

~heber e

Com liance Action Due Date 02 011 II 021 Approvable Final Plans-Maste Storage Tanks (Additional Requirement 8 II.l.)

8/1/83 01 Oll 8I 021 Al1 040 Comencement of Construction (Additional Requirement III.l)

Chemical Use Repor t-Unit (A4ditional Requirement 8K'II.1)

Plan of Study-Thermal Plume Verification (Additional Requirement 8III.4).

10/1/83 Initiation of reactor low power testing.

180 days prior to initiation of discharge.

02 040 Final Plans-Circulating Cooling Mater 8 Maste Treatment (Additional Requirement 8III.6) 180 days prior to initiation of discharge.

39

,44

., N Compliation of Reports. containing Biological Data (Additional Requirement IIV.l.a)

Plan of Study-Collection Efficiency (Additional Requirement 0'IV.6)

EDP + 3 Months EDP + 3 Months (b)

The permittee shall submit to the Department of Environmental Conservation the required document(s) vhere a specific action 1s required in (a) above to be taken by a certain date, and a vritten notice of compliance or noncompliance vith each of the above schedule

dates, postmarked no later than 14 days foH.ovtng each elapsed date.

Each notice of noncompl1ance shall include the foH.oviag information:

JL short description of the noncompliance; t

2.

L description of any actions taken ar proposed by the permittee to camp+ vi'th the elapsed schedule requirement vithout further delay~

I h description of any factors vhich tend to explain or mitigate the noncompliance; and 4.

hn estimate of the date permittee vill comply vith the elapsed schedule requirement and an assessment of the probability that permittee villmeet the next scheduled requirement an t1ae.

91-18-1 (9/78)

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Page 16 17

,MONITORING, RECORDING AND REPO G

Pacilit No.:

NY QQQ 1015 a)

The permittee shall also refer to the General Conditions (Part II) of this permit for additional information concerning monitoring and reporting requirements and conditions, b)

The monitoring information requixed by this permit shall be summarized and reported by submitting a completed and signed Discharge Monitoring Report form once every months to the Department of Environmental Conservation and other appropriate regulatory agencies at the offices specified below, The first report will be due no later than Thereafter, reports shall be submitted no later than the 28th of the following month(s):

Water Division New York State Department of Environmental Conservation 50 Wolf Road - Albany,,New York 12233 New York State Department of Environmental Conservation Regional Engineer 7481 E eery Clay Blvd.

Liverpool, New YorR 13088 Oswego Cmmty Dept. of HealtB.

70 Bunner Street

Oswego, New York 13126'dPPLtcehle only if checked):

Dr. Richard Baker, Chief - Permits Administration Branch Planning 6 Management D~ion USEPA Region XI 26 Pederal Plaza New York, New York 10278 c) If so directed by this permit or by previous request, Monthly Wastewater Treatment Plant Operator's Reports shall be submitted to the DEC Regional Office and county health department or county environmental control agency specified above.

d)

Monitoring must be conducted according to test procedures approved under 40 CPR Part 136, unless other test procedures have been specified in this permit.

e) If the permittee monitors any pollutant more frequently than required by the permit, using test procedures approved under 40 CPR 136 or as specified in the permit, the results of this monitoring shall be included in the calculation and reporting of the data submitted in the Discharge Monitoring Reports.

f)

Calculations for all Limitations which require averaging of measurements shall utilize an arithmetic mean unless otherwise specified in the permit.

g)

Unless otherwise specified, all information submitted on the Discharge Monitoring Form shall be based upon measurements and sampling carried out during the most recently completed reporting period.

h)

Blank Discharge Monitoring Report Porms are available at the above addresses, 91-20-2 (8/81)

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Part I Page 17 of 17 Facility ID No.:

NY 000 1015 SCHEDULE OF COMPLIhNCE FOR EFFLUENT LIMIThTIONS (Continued) ty Cg c)

The permittee shall submit copies of the written notice of compliance or noncompliance required herein to the following offices:

Chief, Compliance Section'ev York State Department of Environmental Conservation 50 Volf Road hlbany, Ne~ York 12233 Regional Engineer 87 Ne~ York State Department of Environmental Conservation 7481 Henry Clay Boulevard Liverpool.

HY l3088 Oswego County Dept. af Health 70 Bunner Street

Oswego, New Yark 13126 USEPA Region II Planning ard Managanent-Division 26 Federa1 Plaza New Yark, New Yark 10278 The permittee shall submit copies of any engineering reports, plans of study, final plane, ae>>built plans, infil.tration-inf1.ov etudiee; etc. required herein to the'New York State Department of Environmental Conservation Regional Office specified above unleee othervtee specified in this permit or in writing by the Department or ite designated field office.

93.-18<<2 (9/76)

Statior>

Nine hlile Point Unit 01 rvlor1th h1arch 1983 1'ype of I3ischar ge wastewater Batcl> Discharge Discharge Serial Number 011 Pa ram etc r Permit Limit Range of 6.0-9.0 Repor ted Value 5.71 Cause of non-compliance:

Discharge of low conductivity demineralized water showed pH of 5.71.

The discharge was ma e on B.

A description of the non-complying discharge includina its impact upon the recejv ing vrater Low conductivity demineral ized water was discharge at a pH-of 5. 71.

Because of the low conductivity (1.6 Irmho/cm), the pH of this batch of emineralize water was ess t >an t e ermit range o

.0-p was o impac on receiving water because of the high purity of the wastewater and the rapi a gustment to a pH greater t an in t e p ant isc rarge cana prior o en ering a

e n a 10.

C.

Anticipated time the condition of non-compliance is expected to continue, or if such condition has been corrected, the duration of the period of n'on-compliance:

Does not a

1

- see D below D.

Steps taken by the permittee to reduce and eliminate the non-complying discharge:

As a result of a meeting'etween the NYSDEC and Niagara hfohawk on Feb.

16, 1983, verbal permission was given y t >e DEC to isc arge ow con uctivity wastewater less than 10 Ir mho/cm at a

H range of 4.0-9.0.

Verbal authorization was reaffirmed on 3/14/83 as a result of a telephone conversation etween.t e

DEC Liver ool NY and Hu h Flana an (Nia ara Mohawk, Nine h1ile Point).

at een e

rete, E.

Steps taken by the permittee to prevent recurrence of the condition of non-compliance:

Does not ai 1

- see D above

Sulnnla ry of Excul slons Station Nine Mile Point Unit

< 1 IVlonth May 1983 Type of Discharge Low Volume Wastewater Discharge Serial Number Oll Pa ram etc r Permit Limit pH 6.0-9.0, 5.31 (5/23/83)

Ffeported Value 5.18 (5/26/83)

A. Cause of non-compliance:

Dischar e of low conductivit condensate wastewater showed a

H of 5.31 5/23/83) and 5.18 (5/26/83).

Wa'stewater conductivity on 5 23 83 was 1.45 pmho cm pH o

.3 an on 5 8

was pm o cm p

o B.

A description of the non-complying discharge including its impact upon the receiving water:

Low conductivity condensate water has a low pH as a result of the high purr y.

o xmpac on se recex xng wa er e au o

e was ewa er an e rapx a gus men o a p gr a r

lant discharge canal) prior to entering La e ntarxo.

C.

Anticipated time the condition of non-compliance is expected to continue, or if such condition has been corrected, the duration of the period of non-compliance:

DOES NOT APPLY - SEE "D" BELOW.

D.

Steps taken by the permittee to reduce and eliminate the non-complying discharge:

No action taken.

As a result of a meeting between the NYSDEC and Niagara Mohawk on Feb.

16, 1983, ver a permxssxon was given y

e o

discharge low conductivity wastewater ess t an p

o cm a

a p range 4.0-9.0.

Verbal authorization was reaffirmed on 3/14/83 as a result o

a telephone conversation between e

rete an anagan E.

Steps taken by the permittee to prevent recurrence of the condition of non-compliance:

DOES NOT PPLY - SEE "D" ABOVE.

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Sunln)a ry of I'.xcursIons Station Nine hfile Point Unit 1

Month June Ye:Jr 1983 Type of Discharge Sewa e Treatment Plant Discharge Serjal iVumber Pa ra m e te Residua 1 Ch 1orine in Contact Chamber Permit Limit 0.5-2.0 (range) mg/1.

Qeported pa]ue 1.0-6.0 (range) mg/l.

of non corn pljance Residual chlorine level in sewage treatment Plant contact chamber exceeded the eve o

mg i er.

esi ual chlorine concentration in contact c

am er greater t an mg iter is necessary to maintain residual concentration in oxidation pon to contro eca coli orm eve s.

ermission given y

on e

o excee con ac c

am er resi ual B.

A description of the non-complying discharge including its impact upon the receiving water:

Residual chlorine concentration in contact chamber showed results of 2.0, 1.6, l.

an mg iter respective y.

esu t o excee e

permi imit 0

on receiving:water (Lake Ontario) since residual chlorine at oxi ation pon own stream o

contac c

am er an prior o receiving wa er C.

Anticipated time the condition of non-compliance is expected to continue, or if such condition has been corrected, the duration of the period of non-compliance:

Condition of non-compliance expected to continue as long as algal growth occurs in oxi. ation pon an as ong as oxi, a ion pon is u i ize a ga grow requires D.

Steps taken by the permittee to reduce and eliminate the non-complying discharge:

Permittee etitioned DEC to delete residual chlorine limits in contact chamber since final effluent from sewage plant is monitored at oxidation pond.

This request was granted and is e

ective 7

1 83.

E.

Steps taken by the permittee to prevent recurrence of the condition of non-com plia n c e:

See D above.

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Jun'Inla ry ot I;xcurs10(1s on Nine Mi1 e Point Unit 0 1 Month June Year Type of Discharge Sewage Treatment Plant Discharge Serial incumber o30 parameter SusPended Solids Permit Limit 25 mg/1 (avg. )

mg, max ~

Reported Value 61 mg/1 (avg.)

mg ma A. Cause of non-compliance:

Suspended solid levels of outfall from sewage treatment plant (oxidation pon isc arge s owe, resu ts t at excee e

e stat>.ons ermxt imz.

B.

A description of the non-complying discharge including its impact upon the receiving water:

Suspended solid samples taken at discharge of oxidation pond showed 78 mg/li er mon y maximum an mg x er mon y av rage xg suspen e

so x

eve s are a resu o

sxgnz scan a ga grow a.

ox' x

po hagi i

n xm I

1 growt C.

Anticipated time the condition of non-compliance is expected to continue, or if such condition has been corrected, the duration of the period of non-compliance:

Condition of non-com liance is ex ected to continue throu hout the summer months.

DEC approved by-pass will be installed this summer which will eliminate algal problem.

D.

Steps taken by the permittee to reduce and eliminate the non-complying discharge; NYSDEC (Kathleen DelPrete) was notified of the problem (high suspended solid leve s as a resu o

e a ga grow as soon as e resu s were avax a

e.

a en on e par o

e a

xs mme.

E.

Steps taken by the permittee to prevent recurrence of the condition of non-com plia nc e:

See D above.

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