ML20080G071

NPDES Noncompliance Notification:On 941221,sample Collected at Discharge Exhibited Elevated Ph of 9.3 S.U.Caused by Biological Activity.Permit Amend Submitted Deleting Ph Limitation for Outfall 001A

ML20080G071
Person / Time
Site:	Fort Saint Vrain
Issue date:	12/27/1994
From:	Lindt E PUBLIC SERVICE CO. OF COLORADO
To:
Shared Package
ML20080F999	List: ML20080F992 ML20080G059 ML20080G066 ML20080G071
References
NUDOCS 9502030049
Download: ML20080G071 (1)

Text

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NPDES DISCHARGE PERMIT NONCOMPLIANCE REPORTING FORM Date: 12/27/94 Applicable Permit No.: CO-000ll21 Discharge No.: 001 A I. GENERAL Company: Public Service Comoany of Colorado Mailing Address: P.O. Box 840 Denver. CO 80201 Plant Name: Eort St. Vrain Station Plant Location: Near Platteville. Colorado County: Weld II. NONCOMPLIANCE REPORT A. Description and Cause of Noncompliance: A sample collected at discharge point 001 A at 2:00 p.m. on 12/21/94 exhibited a pH of 9.3 s.u. The cause of this elevated pH is biological (photoplankton) activity in the farm pond. Water discharged into the pond from the Goosequill Ditch has a pH less than 9.0 s.u.

B. Noncompliance Period:

Started: A.M. 2:00 P.M. 12/21/94 Date Ended: A.M. P.M. Date C. Action Taken to Reduce, Eliminate, Prevent: A year-long study was implemented on May 1993 to determine the causes of high pH in the 001 A outfall from the farm pond. This study was completed on 9/30/94 and submitted to the CWQCD. The conclusion of the study was that elevation of pH across the farm pond was related to biological (photoplankton) activity. A permit amendment was submitted for public notice in November 1994, which will delete the pH limitations for outfall 001 A.

D. Person Initiating Written Report: Eldon Lindt Signature: [L_ $ hi E. Water Quality Control Division Notification Requirements:

Telephone (24 hrs.): 12/22/94 Date Ms. Kathleen Kalamen Notified 11:45 a.m.

Written (5 days): 12/27/94 Date Notified SUllMIT REM)RT TO:

Ms. Kathlwa Katamen Regional Administrator Colorado Department of Public lieskh and Environment U.S. EPA Water Quality Control Division One Denver Place, Suite 500 Monitoring & Enfortement Swtion 99918th Street SWM-C 4300 Cherry Creek Drive South Denver CO 80202 2405 Denver. CO 80222 1530 Attn.: Enforcement - Permit Program t o the event of noe<ompliance for the FSV Station, a verbal report rest be inade to the Nuclear Regulatory Comunission by the FSV shift supervisor M201090) withis four hours after verhally notifying the Water Quality Control Divisba.

9502030049 950124

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