ML20080G059

NPDES Noncompliance Notification:On 941201,sample Collected at Discharge Point 001A Exhibited Ph of 9.7 S.U.Caused by Biological Activity.Permit Amend Submitted to Delete Ph Limitation for Outfall 001A

ML20080G059
Person / Time
Site:	Fort Saint Vrain
Issue date:	12/01/1994
From:	Lindt E PUBLIC SERVICE CO. OF COLORADO
To:
Shared Package
ML20080F999	List: ML20080F992 ML20080G059 ML20080G066 ML20080G071
References
NUDOCS 9502030039
Download: ML20080G059 (1)

Text

4 NPDES DISCHARGE PERMIT NONCOMPLIANCE REPORTING FORM Date: 12/01/94 Applicable Permit No.: CO-0001121 Discharge No.: 001 A I. GENERAL Company: Public Service Comoany of Colorado i

Mailing Address: P.O. Box 840 Denver. CO 80201 Plant Name: Fort St. Vrain Station Plant Imcadon: Near Platteville. Colorado County: Weld II. NONCOMPLIANCE REPORT A. Description and Cause of Noncompliance: A sample collected at discharge point 001 A at 12:00 p.m. on 12/01/94 exhibited a pH of 9.7 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. 12:00 P.M. 12/01/94 Date Ended: A.M. P. M . Date C. At rm 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 will be submitted for public notice in November 1994, which will delete the pH limitations for outfall 001 A.

D. Person Initiating Report: Eldon Lindt Signature: [L h E. Water Quality Control Division Notification Requirements:

Telephone (24 hrs.): 12/01/94 Date Ms. Kathleen K212 men Notified 02:32 o.m.

Written (5 days): 12/01/94 Date Notified SUBMIT REPORT TO:

Ms. Kathleen Kalames Regional Admiastrator Colorado ikpartment of Public IIcakh and Envimament U.S. EPA Water Quality Control Divisine One Denver Place. Suite 500 Monitoring & Enforcescot Section 99918th Street 8WM-C 4300 Cherry Creek Drive South Desver. CO 80202-2405 Denver. CO N0222-1530 Atta.: Enforcement - Permit Program la the event of non<omptinare for the ISV Station. a verbal report must be made to the Nuclear Reamlatory Commission by the l'SV shift supervisor 4241990) within four hours after verbally notifying the Water Quality Control Division.

Contacted the f'sV shift supervisor at 0:h35 p m. on 12/01/94 9502030039 950124 PDR ADOCK 05000267 S PDR