ML20078P737

NPDES Noncompliance Notification:On 941122,sample Collected at Discharge Point 001A Exhibited Ph of 9.8 Su.Biological (Photoplankton) Activity in Farm Pond Caused Elevation

ML20078P737
Person / Time
Site:	Fort Saint Vrain
Issue date:	11/23/1994
From:	Lindt E PUBLIC SERVICE CO. OF COLORADO
To:	Kalamen K COLORADO, STATE OF
Shared Package
ML20078P727	List: ML20078P721 ML20078P728 ML20078P731 ML20078P734 ML20078P737
References
NUDOCS 9412200128
Download: ML20078P737 (3)

Text

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Public Se,v,ce O'Public Service-  : = 'a -

Oenver. CO 80201 0840 November 23,1994 Ms. Kathy Kalamen Industdal Enforcement Engineer Permits and Enforcement Section Water Quality Control Division Colorado Depanment of Public Health and Environment 4300 Cherry Creek Drive South Denver, Colorado 80222-1530 RE: Public Service Company of Colorado - Fort St. Vrain Station CDPS Permit No.

CO-0001121

Dear Kathy:

Enclosed please find a non-compliance report for the Public Service Company of Colorado Fort St. Vrain (FSV) Station. The non-compliance report details the pH exceedance reported to you on November 22,1994 In addition, a revised non-compliance report for the Goosequill Ditch overflow reported to Don Holmer on November 16,1994 is provided. The revision corrects dates at the ton and bottom of the form.

If you have any questions regarding these reports, please feel free to contact me at 294-2440.

Sincerely,

[S $

Eldon Lindt Environmental Analyst Attachment cc: U.S. EPA, Region VIII Alan Albrandt Don Holtrer Glen Reigel Don Warembourg Mike Holmes Dave Fetterolf Terry Staley Ted Borst Jesse Brungardt 9412200128 941129 PDR ADOCK 05000267 S PDR

'g - i NPDES DISCHARGE PERMIT NONCOMPLIANCE REPORTING FORM Date: 11/23/94 ,

Applicable Permit No.: CO-0001121 Discharge No.: 001 A I. GENERAL Company: Public Service Corn =av of Colornda Mailing Address: P.O. Har 840 Denver. CO 80201 ,

Plant Name: Fort St. Vrmin S'arian L

Plant Location: Near P1mnaville. Colornda l l

County: Weld IL NONCOMPLIANCE REPORT A. Descripdon and Cause of Noncompliance: A sample collected at discharge point 001 A at '

1:00 p.m. on 11/22/94 exhibited a pH of 9.8 s.u. The cause of this elevated pH is biological (photoplankton) activity in the farm pond. Water discharged into the pond from the Goosequill 1 Ditch has a pH less than 9.0 s.u.

B. Noncompliance Period: l Started: A.M. 01:00 P. M. I1/22/94 Date  !

Ended: A.M. P.M. Date l

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 sWy '

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: Fidan I indt Signature: ML - R W ans/W  ;

E. Water Quality Control Division Notification Requirements: l Telephone (24 hrs.): 11/22/94 Date Ms. Kathleen Kalamen Notified 02:17 o.m.

Written (5 days): 11/23/94 Date Notified SUBMIT REPORT TO:

Ms. Kathisee Kalemeu Regional Administrator Colorade Deparesset of Public Heekk and Eevireement U.S. EPA '

water Quality Centrol Division One Denver Place. Seine 500

. Mesiseries & Enfereement bactase 99918th Street SwM4 000 Cherry Creek Drive South Denver. CO 802022405 i Denver. CO 80222-1530 Atte.: Esforcement - Permit Prearse  ;

i la the event of = :: ;' 7 for the FSV Statsee, a verbal report must be made to the Nuclear Reseistory (*=e6  ;

by the FSV shiA supervoor 4241990) wkhis four hours after verbelly ocafying the Water Qualey Control Divisine.

Contacted the FSV shiA superwsor et 02:21 p.m. on il/21H.  ;

i 6

.y-ll'  !

, . NPDES DISCHARGE PERMIT NONCOMPf_IANCE REPORTING FORM.

Date: 11/23/94 _

Applicable Permit No.: CO-0001121 Discharge No.: 001A ,

I. GENERAL  :

Company: Public Service Co...unv of Color =da  ;

Mailing Address: P.0, Rnr 840 Denver. CO 80201 Plant Name: Fort St. Vrmin Statinn  !

Plant i nestinn: Naufa;;"ville. Catar da  :

County: Wald .

I IL NONCOMPLIANCE REPORT -

A. Description and Cause of Noncompliance: Discharge from the facility to the Goosequill Ditch at a rate of 1275 gym, which is within the typical discharge range, caused overflow of ,

water after the monitoring point at outfall 001B. The overflow from the ditch was attributed to excessive vegetation growth in the ditch and silt which had accumulated since previous maintenance activity in October 1994. Flow to the ditch was halted until maintenance of the ditch could be performed. It is believed that water quality during the overflow event met all .

j permit conditions and requirements.

B. Noncompliance Period: l A.M. 09:54 P. M. I1/14/94 Date Started:

01:50 A.M. P.M. I1/15/94 Date Ended: I J

C. Action Taken to Reduce, Eliminate, Prevent: Flow to Goosequill Ditch was halted until maintenance activity remove excess sdt and vegetation.

D. Person Initiating Report: Eldon I indt Signature: d- ( W sWw E. Water Quality Control Division Notification Requirements:

11/16/94 Date Mr. Don Holmer Notified 10:00 a.m i Telephone (24 hrs.):

Written (5 days): 11/16/94 Date Revision: 11/23/94 SUaMIT aEPOa7 TO:

Ms. Kathleen Kala- assimaal Administrator Colorade C,,._r et Public Hankh and Envireement U.S. EPA water Quelty Castrel Divisies One Denver Place. Seite 500 99918th Street SWM.C Mesmertes & Enfereement Sernee 4300 Cherry Creek Drive South Denver. CO 80202-2405 Desver, CO 80222 1530 Atte.: Enferesument Persait Presrom le the event of = _ ' n " 7 for the FSV Stause, e verhel report must be made se the Naciser asseistory Comeussies by the FSV skin superviser 42419901 within four hours after verbelly soufyias the Water Quakty Control D Contacted the FsV shiA supervisor at 10.05 a.m. on 11/16/94.

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