ML20215B583

Discharger Self Monitoring Rept for Apr 1987

ML20215B583
Person / Time
Site:	Rancho Seco
Issue date:	04/30/1987
From:	Andognini G SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:	Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
GCA-87-006, GCA-87-6, NUDOCS 8706170373
Download: ML20215B583 (7)

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'"$P SACRAMENTO MUNICIPAL UTILITY DISTR.iCT O P. O. Box 15830, Sacramento C @ 852-1830,(916) 452-3211 AN ELECTRIC SYSTEM SERV 1 QEp RT OF CALIFORNIA GCA 87-006 I'/J IEGicyy MAY I 41987 J. B. Martin - Regional Administrator Region V Office of Inspection and Enforcement U. S. Nuclear. Regulatory Commission 1450 Maria Lane Suite 210 Walnut Creek, CA 94596

SUBJECT:

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM

Dear Mr. Martin:

Attached is the information requested by John Stolz in his March 11, 1983 letter to J. J. Mattimoe concerning National Pollutant Discharge Elimination System (NPDES) permit.

Further questions may be directed to Mr. George Campbell, who can be reached at (209) 333-2935, extension 4144.

Sincerely, st/ n /pssec

. Ca Andogfiini Chief Executive Officer, Nuclear Attachment cc: w/ attach G. Kalman, NRC, Bethesda A. D'Angelo, NRC, Rancho Seco e \\'

RANCHO SECO NUCLEAR GENERATING STATION O 14440 Twin Cities Road, Herald, CA 95638-9799;(209) 333-2935

" b / p..,

(

• C SACRAMENTO MUNICIPAL UTILITY DISTRICT C P. O. Box 15830, Sacramento QA~p5852-1830, (916) 452-3211 s

AN ELECTRIC SYSTEM SERVINd THE[HgRJ pF CALIFORNIA 13 MNP 87-292 "Mic;7 i

May 14, 1987

)

I 4

REGIONAL ADMINISTRATOR ENVIRONMENTAL PROTECTION AGENCY 1

REGION IX l

215 FREMONT STREET SAN FRANCISCO CA 94105

)

l In accordance with reporting requirements of the California Water Qua!ity Board, please find enclosed a copy of the report of waste j

watir quality monitoring at Rancho Seco for the month of April 1987.

1 B. G. CROLEY MA,4AGER, NUCLEAR LANT RAiiCHO SEC0 NUCLEAR GENERATING STATION 14440 TWIN CITIES ROAD - M.S. 254 HERALD CA 95638 Enclosure (4) i RANCHO SECO NUCLEAR GENERATING STATION O 1444o Twin Cities Road, Herald, CA 95638 9799;(209) 333 2935 lJ

(_.

)

a-

l. 50

)

SACRAMENTO MUNICIPAL UTILITY DISTRICT ~_ 6201 s Street, P.O. Box 15830, sacramento CA 958521830, (916) 452 ~3211 AN ELECTRIC SYSTEM SEFJVJ

~,T,HE HEART OF CALIFOl>NIA 18 F;j j I3 MNP 87-293 Mdy 14, 1987 Of6/0/!yfg 4 H CROOKS CALIFORNIA WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION 3201 S STREET SACRAMENTO CA 95814 ORDER 85-210 WATER DISCHARGE REQUIREMENTS SACRAMENTO MUNICIPAL UTILITY DISTRICT i

RANCHO SECO NUCLEAR GENERATING STATION UNIT 1 i

In accordance with the monitoring and reporting requirements of the subject order, please find attached a summary of the Water Quality Monitoring Program at the Rancho Seco facility for April 1987.

Additional comments are as follows:

1.

Rancho Seco has been shut down since December 26, 1985.

i 2.

Maximum waste water flow rate was 10,000 gpm for one hour on April 12.

3.

Waste water discharges amounted to 332.6 M gallons.

4.

Maximum TDS in waste water discharge was 116.1 ppm, based on conductivity.

That level was experienced during a retention basin. release on April 22.

5.

Flow tb cugh the sewage plant averaged 34,106 gpd for the j

month of April.

6.

The new sewage plant has been turned over to Operations.

All sewage flow is processed through the new plant.

7.

Visual inspections of site boundary have not indicated any floating or suspended matter, discoloration, or bottom deposits.

Aquatic life appears to be normal.

.-m

(.

W H CROOKS '

8.

It has not been determined what caused the high B00 and Total Coliform during the month of April.

The only attributing effect may have been the grass on the terraces was cut two days prior to the sampling for BOD and Coliform.

Subsequent samples have been within specification.

l B. G. CROLEY MANAGER, NUCLEAR LANT RANCHO SEC0 NUCLEAR GENERATING STATION 14440 TWIN CITIES ROAD - M.S. 254 i

HERALD CA 95638 l

Enclosure (4) cc:

G. C. Andognini G. Cranston CCF 87-181 i