ML20205D818
| ML20205D818 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 08/05/1986 |
| From: | Julie Ward SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | Stolz J Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20205D822 | List: |
| References | |
| JEW-86-282, NUDOCS 8608180182 | |
| Download: ML20205D818 (4) | |
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, SACRAMENTO MUNICIPAL UTILITY DISTRICT C P. O. Box 15830, Sacramento CA 95852-1830,(916) 452 3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA JEW 86-282 August 5, 1986 CO-SIL DIRECTOR OF NUCLEAR REACTOR REGULATION J R STOLZ - CHIEF OPERATING REACTORS, BRANCH 4 WASHINGTON DC 20555 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.
. WARD DEPUTY GENERAL MAN NUCLEAR Attachment ye S**
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DISTRICT HEADQUARTERS O 6201 S Street, Sacramento CA 95817-1899
SMUD SACRAMENTO MUNICIPAL UTILITY DISTRICT C P. O. Box 1583o, Sacramento CA 95852-1830,(916) 452-3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA GAC 86-472 August 5, 1986 W H CROOKS CALIFORNIA WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION 3201 S STREET SACRAMENTO CA 95814 ORDER 85-210 WATER'0ISCHARGE REQUIREMENTS SACRAMENTO MUNICIPAL UTILITY DISTRICT RANCHO SEC0 NUCLEAR GENERATING STATION UNIT 1 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 July 1986.
Additional comments are as follows:
1.
Rancho Seco has been shut down since December 26, 1985.
2.
Maximum waste water flow rate was 10,000 gpm for 9 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br /> on July 9.
3.
Waste water discharges amounted to 326.7 M gallons.
4 Maximum TDS in waste water discharge was 360 ppm, based on conductivity.
That level was experienced during a retention basin release on July 16.
5.
Flow through the sewage plant average 19,451 gpd for the month of July.
6.
The new sewage plant was put into operation November 30, 1985, and is still in a testing mode.
All sewage flow is processed through the new plant.
7.
Visual inspections of the site boundary have not indicated any floating or suspended matter, discoloration, or bottom deposits.
Aquatic life appears to be normal.
8.
The plant effluent pH was 8.6 on July 1.
The required sample of Folsom South Canal supply water was taken or that day, showing conformance with the limitation that effluent pH may not exceed supply water pH.
DISTRICT HEADQUARTERS O 6201 S Street. Sacramento CA 95817-1899
W H CROOKS August'5, 1986 9.
High Total Coliform in the sewage plant effluent was attributed to no flow through the collection sump at time of sampling.
A sample taken two days later, after flow was, established through the collection sump, indicated Total Coliform of less than 2 MPN/100 ml.
~There was no indication of malfunction of the sewage plant, only
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that flow was interrupted.
- 10. A high Total Chlorine residual at the site boundary was attributed to maintenance activities on the hypochlorite tank at the nuclear service spray pond.
To prevent further chlorine from going offsite, the plant effluent was diverted to a retention basin.
Oilution water was started to provide flushing action in Clay Creek.
Subsequent visual inspections have not indicated any adverse effects on aquatic life.
'%Id GEORGE C0 WARD MANAGER, NUCLEAR PLANT RANCHO SEC0 NUCLEAR GENERATING STATION
. 14440 TWIN CITIES ROAD HERALD CA 95638 Enc 1soure (4) cc:
J. E. Ward D. Gillispie
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SACRAMENTO MUNICIPAL UTILITY DISTRICT C P. O. Box 15830, Sacramento CA 95852-1830,(916) 452-3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALjFORNIA GAC 86-471 August 5, 1986 REGIONAL ADMINISTRATOR ENVIRONMENTAL PROTECTION AGENCY REGION IX 215 FREMONT STREET SAN FRANCISCO CA 94105 In accordance with reporting requirements of the California Water Quality Board, please find enclosed a copy of the report of waste water quality monitoring at Rancho Seco for the month of July 1986.
GEORGE C0 WARD MANAGER, NUCLEAR PLANT RANCHO SEC0 NUCLEAR GENERATING STATION 14440 TWIN CITIES ROAD - MS 255 HERALD CA 95638 Enclosure (4)
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l DISTRICT HEADQUARTERS O 6201 S Street, Sacramento CA 95817-1899