ML20070A752

NPDES Noncompliance Notification:On 910115,approx 110,000 Gallons of Makeup Water Discharged to Storm Drain That Empties Into Discharge Canal Via Outfall 004.Caused by Need to Clean & Paint Tank.Personnel Instructed

ML20070A752
Person / Time
Site:	North Anna
Issue date:	01/21/1991
From:	Marshall B VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	Kregloe W VIRGINIA, COMMONWEALTH OF
References
NUDOCS 9101280189
Download: ML20070A752 (2)

Text

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, Glen Allest Qtinia 23h0 ;  ;

e i-49 WMGINIA P09WR :

January 21,.1991 Mr. William L.'Kregloe-Virginia _ Water control Board-'

Valley. Regional Office 116 North Main Street '

Bridgewater, VA 22812 RE: AN UNUSUAL DISCHARGE - NORTH ANNA POWER. STATION

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Dear Mr. Kregloe:

On Friday, January 18, 1991, it 'was discovered that an unusual discharge had taken place _ on Tuesday morning, : January 15: 'at approximately 7.a.m. Immediately after-learning'of the incident,.

the circumstances were described to you and this letter' confins that telephone conversation on Friday r)rning.

The unusual discharge consisted of approximately 110,000 gallons q of make-up water, which was discharged- to Ja. storm drain that empties into- the discharge canal ~ via- Outfall _004. : The ---make-up _

water, produced by the Reverse Osmosis system,4 Was stored in a tank i that required maintenance. Water was drained in order.to clean and paint the:inside of the tank.

Maintenance personnel have received instructions that the discharge of' any water, however clean,. cannot be discharged without authorization -from the -Virginia Water- Control Board. The-feasibility of indicating this prohibition on the, storm drain. grate itself is being evaluated.

No adverse environmental impact was observed as-a result of-this inci' dent. None. would be expected in light of the ! nature of' the discharge. If you have -any questions regarding the:: incident, please - .,

contact'my office. '

Sincerely,  !

l B. M.-Marshall,-P.E.

l Manager Water-Quality-

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e Mr.-William L. Kregloe. ,,,_ ~j Page 2_ _ __

e January 21, 1991 vmonu poeeen cc: U. S. NRC Docket-No. 50-330/50-339 ,

101 Marietta.St.,-NW.

SuiteL29001 Atlanta, GA 30323.  ;

~ U ; ~ S . .= NRC ., . .

Attn:5 Docket: Control' Desk: ,

Docket-No.e50-338/50-339' * "

Washingtonr DC"20555' NRC Senior; Resident; Inspector-Docket No.:_50 'l38/50-339- '

North Anna-Power. Station-l a

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