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| Issue date | Title | Topic | |
|---|---|---|---|
| ML20043J100 | 25 May 1990 | NPDES Nonccompliance Notification:On 900329,discharge of 30-40 Gallons of Fuel Oil Into Storm Sewer Drain Occurred & Release of 25 Gallons Fuel Oil Into Discharge Canal Occurred on 900510.Spill Prevention Control Plan Encl.W/O Encl | |
| ML20247G919 | 14 September 1989 | NPDES Noncompliance Notification:On 890907,bypass of Onsite Sewage Plant Resulted in Discharge of Not More than 1,000 Gallons of Untreated Sewage.Caused by Crack in Sewage Line. Domestic Water Secured & Sewage Pipe Repaired | |
| ML20245H481 | 7 August 1989 | NPDES Noncompliance Notification:On 890626,11 Gallons of Houghto-Safe 620 Hydraulic Fluid Spilled in Subpile Room of Unit During Preparation for CRD Removal Work.Major Portion of Spill Collected in Dry Well Sumps & Floor Flushed | |
| ML20247P883 | 26 May 1989 | NPDES Noncompliance Notification:Biological Oxygen Demand of Sample from Disharge Point 501 Exceeded Monthly Average Permit Limit.Caused by Increase in Sewage Treatment Plant Loading.Sampling Frequency Increased & Trench Backfilled | |
| ML20246N689 | 2 May 1989 | NPDES Noncompliance Notification Re Bod of Sample Taken from Discharge Point 501 Exceeding Monthly Average Permit Limit. Caused by Increase in Sewage Treatment Plant Loading Due to Increase in Power Plant Outage Work Force | |
| ML20235V877 | 27 February 1989 | NPDES Noncompliance Notification:On 890127,sample Taken from Storm Drain 101 Exceeded Oil & Grease Monthly Limit.Oil Absorbent Matl Placed at Discharge of Storm Drain Inside Oil Retaining Boom | |
| ML20206M164 | 22 November 1988 | NPDES Noncompliance Notification:On 881017,pH Samples from Discharge Point 301 Exceeded Monthly Permit Limit.Caused by Leakage of Sump Discharge Valves.Action Taken to Neutralize Settling Basin W/Addition of Acid | |
| ML20155D106 | 22 September 1988 | NPDES Noncompliance Notification:On 880829,wet Well in Front of Unit 1 Administration Bldg Overflowed.Caused by Lack of Pumping Wet Well as Scheduled.Restrooms Secured in Temporary Trailers & Parking Access Blocked | |
| ML20196K684 | 22 June 1988 | NPDES Noncompliance Notification:On 880501,pH of Settling Basin Discharge Point Exceeded Permit Limit.Cause Unknown. Discharge to River Stopped & Soda Ash Added to Neutralize Settling Basin | |
| ML20245D421 | 25 May 1988 | NPDES Noncompliance Notification:On 880406,total Phosphorus Sample Exceeded Monthly Average.Caused by High Solids Carryover from Clarifers & Lower than Normal Phs.Alum to Sewage Plant Equalization Basin Increased | |
| ML20154P485 | 25 May 1988 | NPDES Noncompliance Notification:On 880406,BOD of Sample from Discharge Point 501 Exceeded Monthly Average & Instantaneous Max Limits.Caused by High Solids Carryover Through Sewage Plant.Wet Well Pumps Repaired & Cleaned | |
| ML20154P477 | 25 May 1988 | NPDES Noncompliance Notification:On 880414,pH of Sample from Discharge Point 301 Exceeded Monthly Permit Limit.Caused by Release of Neutralizing Tank a W/O Continuous Ph Indication &/Or Trip Protection.Settling Basin Isolated & Neutralized | Grab sample |
| ML20154P427 | 25 May 1988 | NPDES Noncompliance Notification:On 880406,suspended Solids from Discharge Point 501 Exceeded Max Permit Limit.Caused by High Solids Carryover Through Sewage Plant Resulting from Wet Well Pumps Tripping on Thermals.Pumps Repaired/Cleaned | |
| ML20147B643 | 23 February 1988 | NPDES Noncompliance Notification:On 880106-28 Samples from Discharge Point 501 Sewage Treatment Plant Exceeded Monthly Average & Instantaneous Max Limits.Cause Unknown.Program of Wasting Will Be Implemented to Reduce Solids | |
| ML20147B430 | 23 February 1988 | NPDES Noncompliance Notification:Total Phosphorus of Samples Taken from Discharge Point 501 Exceeded Monthly Average & Max Permit Limit.Caused by Inability of Sewage Treatment Plant to Continously Reduce Phosporus Level | |
| ML20236J174 | 28 October 1987 | NPDES Noncompliance Notification:On 870911 & 24,biochemical Oxygen Demand of Two Samples from Discharge Point 501 Exceeded Monthly Average Permit Limit.Caused by Excessive Carryover from Clarifiers.Solids Passed Through Sys Reduced | |
| ML20236J144 | 28 October 1987 | NPDES Noncompliance Notification:On 870911 & 24,total Phosphorus of Samples for Discharge Point 501 Exceeded Monthly Average Permit Limit.Caused by Sewage Treatment Plant Inability to Reduce Phosphorus Below Permit Limit | Grab sample |
| ML20237H548 | 31 August 1987 | NPDES Noncompliance Notification:On 870701 Oil Spill Occurred.Caused by Personnel Error Associated W/Failure to Pump Down Full Dirty Oil Storage Tank.Individuals Involved Counseled & Supervisory Attention Increased | High winds |
| ML20214S358 | 28 May 1987 | NPDES Noncompliance Notification:Monthly Average Total Phosphorus of Discharge Point 501 Exceeded Monthly Average Permit Limit.Caused by Sewage Treatment Plant Not Able to Reduce Phosphorus Below Permit Limit.Mods Underway | |
| ML20214S319 | 28 May 1987 | NPDES Noncompliance Notification:On 870413,suspended Solids of Sample from Discharge Point Exceeded Instantaneous Max Permit Limit.Caused by High Suspended Solids in Aeration Tank.Wasting of Sludge Increased to Reduce Solids Level | |
| ML20214B469 | 30 April 1987 | NPDES Noncompliance Notification:Thermal Discharge from Discharge Point 001 Cooling Towers Exceeded Permit Requirements.Caused by Erroneous Recorded Measurements & Permit Requirements.Malfunctioning Monitors Repaired | |
| ML20205B954 | 17 March 1987 | NPDES Noncompliance Notification:During Jan 1987,two Samples from Discharge Point 501 Exceeded Monthly Average & Instantaneous Max Permit Limits.Caused by High Settleable Solids in Aeration Tank.Program of Wasting Solids Begun | |
| ML20205B867 | 17 March 1987 | NPDES Noncompliance Notification:During Jan 1987,total Phosphorus Samples from Discharge Point 501 Exceeded Limit. Caused by Sewerage Treatment Plant Not Being Able to Reduce Phosphorus Below Limit.Feed Rate of Ultrion Increased | |
| ML20205B848 | 17 March 1987 | NPDES Noncompliance Notification:During Feb 1987,total Phosphorus Samples from Discharge Point 501 Exceeded Limit. Caused by Sewerage Treatment Plant Not Being Able to Reduce Phosphorus Below Limit.Feed Rate of Ultrion Increased | |
| ML20214T779 | 13 November 1986 | NPDES Noncompliance Notification:On 861024,pH Sample from Discharge Point 301 Exceeded Permit Limit.Caused by out-of- Svc Neutralizing Tank Ph Meter & Ph Meter for Raw Water Sump Which Drifted Out of Calibr.Raw Water Sump Ph Meter Calibr | |
| ML20215N205 | 24 October 1986 | NPDES Noncompliance Notification:On 860930,oil & Grease of Sample from Settling Basin Exceeded Monthly Average Permit Limit.Cause Unknown.Analysis Not Received in Time to Allow Resample to Bring Average Value Into Compliance | |
| ML20215N218 | 23 October 1986 | NPDES Noncompliance Notification:On 860902,pH of Sample from Wastewater Settling Basin Exceeded Permit Limit.Caused by out-of-svc Neutralizing Tank Ph Meter & out-of-calibr Ph Meter for Raw Water Pump | |
| ML20215M882 | 17 October 1986 | NPDES Noncompliance Notification:Phosphorus Level Exceeded Monthly Average Permit Limit for Sept 1986.Caused by Sewage Treatment Plant.Feed Rate Increased Incrementally While Phosphorus Levels Monitored | |
| ML20210P559 | 29 September 1986 | NPDES Noncompliance Notification:On 860806,pH of Sample from Discharge Point 301 (Waste Water Settling Basin) Exceeded Limits.Caused by Acid Inadvertently Entering Raw Pump Through Open Drain Valve.Liquid Added to Lower Ph Limit | |
| ML20206K044 | 23 June 1986 | Noncompliance Notification:On 860507,total Phosphorous Sample from Discharge Point 501 Exceeded Permit Limits for Instantaneous Max.Caused by Sewage Treatment Plant Incapable of Reducing Phosphorous.Flow Element Installed | |
| ML20198N600 | 22 May 1986 | NPDES Noncompliance Notification:On 860402,biological Oxygen Demand of Samples from Discharge Point 501 Exceeded Permit Limits.Cause Unknown.Waste Sludge Tank Pumped to Prevent Recirculation of Ultrion 8155 During Decant | |
| ML20210E553 | 15 March 1986 | NPDES Noncompliance Notification:On 860205 & 26,samples of Discharge Point 501 Exceeded Monthly Average Biological Oxygen Demand.Caused by Degradation of Biological Activity Associated W/Nalco & Ultrion 8155 Addition Sys | |
| ML20210E136 | 15 March 1986 | NPDES Noncompliance Notification:On 860205,sample from Discharge Point 501 Exceeded Permit Limit for Instantaneous Max.Caused by Sewage Treatment Plant Unable to Reduce Phosphorous to Below Permit Level | |
| ML20210E563 | 14 March 1986 | NPDES Noncompliance Notification:On 860225 & 0304,pH Limit of Samples from Discharge Point 401 (Auxiliary Boiler Blowdown) Exceeded Permit Limit.Caused by High Blowdown Rate of Auxiliary Boilers.Blowdown Rates Will Be Reduced | |
| ML20210E269 | 14 March 1986 | NPDES Noncompliance Notification:On 860210,pH of Sample from Discharge Point 301 Exceeded Limit.Caused by Placing Raw Water Sump Ph Meter in Standby Allowing High Ph Water Into Setting Basin.Mod to Ph Monitor Planned | |
| ML20154J508 | 10 February 1986 | NPDES Noncompliance Notification:On 860108,phosphorus from Discharge Point 501 (Sewage Treatment Plant) Exceeded Permit Limit.Caused by Inability of Plant to Reduce Phosphorus Level.Aluminum Chloride Coagulant Treatment Sys Installed | |
| ML20210E257 | 10 February 1986 | NPDES Noncompliance Notification:On 860203,pH Sample from Discharge Point 301 (Wastewater Settling Basin) Exceeded Permit Limit.Caused by Effluent Ph Monitors Out of Calibr. Neutralization Tank & Raw Water Ph Meters Recalibr | |
| ML20136G383 | 30 December 1985 | NPDES Noncompliance Notification:On 851117,pH of Discharge Point Sample Exceeded Permit Limit.Caused by non-neutral Overflow from Neutralizing Tank.Acid Added to Settling Basin & Personnel Training Planned | |
| ML20136G541 | 30 December 1985 | NPDES Noncompliance Notification:On 851127,pH of Sample Taken from Discharge Point 301 in Wastewater Setting Basin Exceeded Permit Level.Cause Unknown.No Unusual Entries Noted in Operator Log | |
| ML20136G563 | 27 December 1985 | NPDES Noncompliance Notification:On 851107,pH of Sample from Wastewater Settling Basin,Discharge Point 301 Found Above Limit.Cause Unknown.On 851108,pH Measured 8.6. Corrective Action Unnecessary | |
| ML20136G649 | 27 December 1985 | NPDES Noncompliance Notification:On 851104,06,11,20 & 26, Total Phosphorous of Samples Taken from Sewage Treatment Plant Discharge Point 501 Exceeded Permit Limit.Corrective Actions:Use of Phosphorous Cleaning Products Minimized | Grab sample |
| ML20137X866 | 26 November 1985 | NPDES Noncompliance Notification:On 851002,03,07,09,12,13, 14,15,16,17,19 & 26,pH of Samples from Discharge Point 301 Exceeded Permit Limit.Caused by Failure to Inform Operators of New Requirement.Operators Informed of New Requirement | |
| ML20137X917 | 26 November 1985 | NPDES Noncompliance Notification:On 851006,09,16 & 22,total Phosphorus of Samples from Discharge Point 501 Exceeded 4.0 mg/1 Limit.Cause Unknown.Investigation Into Cleaning Substances & Other Possible Sources Initiated on 851113 | |
| ML20127E401 | 21 May 1985 | NPDES Noncompliance Notification:On 850510,biological Oxygen Demand of Sample from Discharge Point 108 Exceeded Permit Limit.Cause Under Investigation.Operational Controls & Monitoring Increased | Grab sample |
| ML20127M657 | 3 May 1985 | NPDES Noncompliance Rept:On 850418,biological Oxygen Demand of Sample from Discharge Point 108 in Sewage Treatment Plant Exceeded Permit Limit.Caused by Pin Floc Carryover from Clarifier.Pressure Filters Utilized | |
| ML20116H690 | 22 April 1985 | NPDES Noncompliance Notification:On 850410,total Suspended Solids of Sample from Discharge Point 108 Exceeded Permit Limit.Caused by Clogging of Sludge Return Pump A.Lines Blown Back & Valves Lined Up | Packing leak |
| ML20112F728 | 2 January 1985 | NPDES Noncompliance Notification:Biological Oxygen Demand of 841204 Sample Taken from Discharge Point 108 Exceeded Instantaneous Max Permit Limit.Caused by Low Flow Condition Due to Malfunction of Filter Feedpumps.Pump Repaired |