ML20210V556

NPDES Noncompliance Notification:On 860324,oily Waste Treatment Sys Bypassed.Normal Pathway from Turbine Sump to M-18 Emergency Bypassed Because Turbine Sump Pumps P-45A & B Inoperable.Turbine Sump Pumps P-45A & B Being Repaired

ML20210V556
Person / Time
Site:	Palisades
Issue date:	03/26/1986
From:	Fobes R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	Morley F MICHIGAN, STATE OF
Shared Package
ML20210V458	List: ML20210V451 ML20210V482 ML20210V499 ML20210V527 ML20210V535 ML20210V540 ML20210V556 ML20210V565 ML20211A945 ML20211A970 ML20211B000
References
PAL-86-03-NC119, PAL-86-3-NC119, NUDOCS 8606100663
Download: ML20210V556 (2)

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o6neral Officas: 212 West Michleen Averowe, Jackeoft, MI 49201 * (517) 789 4660 D oY March 26, 1986 Mr Fred Morley District Supervisor Michigan Department of Natural Resources Plainwell District Office Building 631 North Kent Street F0 Box 355 Plainwell, MI 49080 FILE NO: P10.2.1 UFI 950/72*40*05/3 Years INCIDENT NO: PAL-86-03-NC119 This is in regard to NPDES Permit No MI 0001457 for the Company's Palisades Plant. In accordance with Part II, A4, the attached " NPDES Notification,"

Incident No PAL-86-03-NC119 is submitted as a report of an apparent bypass of one of the wastewater treatment systems at the facility.

If you have any questions regarding the attached report, please contact this office.

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R L Fobes Senior Environmental Advisor l

l BCC KFBieszke, T-242A TCBordine, F-24-608 SFPierce, Palisades l JRSchepers, Palisades ATUdrys, M-1023 l 8606100663 860530 PDR ADOCK 05000255 l S PDR 1

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l OC0386-53RLF-EN03

,. e File No PIO,2.1 Incident No: PAL-86-03-NC119 NPDES NOTIFICATION Apparent Bypassing o,f Wastewater Treatment System Plant: Palisades Permit No: MI 0001457 Outfall

Description:

Turbine Sump Oil Outfall Code No: 800218 Separator (001/00F)

Parameter: 011 and Grease Paramete.r Code No: 00556 ,

1. Date of Ir.cident: March 24, 1986 (0435-0930 Hours)

2. Identification of specific effluent limitation or monitoring requirement .

'a ffected:

Bypassing of oily waste treatment system.

3. Description of Incident:

At 0435 on 3/24/86, M-18 API oil / water separator and T-41 turbine sump oil -

separator tank was bypassed until 0930 on 3/24/86. Approximately 6,000 gallons of turbine sump water was rerouted directly to the mixing basin via manhole M-18. A sample of the discharge measured 17.0 mg/l oil and grease (within NPDES permit limits). ,

4. Apparent Cause:

The normal pathway from the turbine sump to M-18 was emergency bypassed because the turbine sump pumps P-45A&B became inoperable and a temporary sump pump was put into service.

5. If not immediately corrected, the anticipated time the condition is expected to continue:

A temporary pump was lined up to M-18 oil / water separator at 0930.

6. Corrective Action - The following corrective action was taken or will be taken to reduce, eliminate and prevent recurrence:

l Turbine sump pumps P-45A&B will be placed back into service after mainte-nance is performed.

7. Additional Comments:

l An observation 'of the mixing basin at 0800 was performed; no oil was observed.

( 8. Signed:

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Ronald L Fobes RP0386-53RLF-EN03

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