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Issue date | Title | Topic | |
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ML20248M103 | 26 May 1998 | NPDES Noncompliance Notification:On 980518,spill of Sodium Hypochlorite Occurred.Sys Was Shut Down & Monitoring Was Conducted to Verify That No Detectable Total Residual Chlorine Discharged from Outfall 101 to Tn River | Zebra Mussel |
ML20245G897 | 26 April 1989 | NPDES Noncompliance Notification:On 880801,dead Fish Discovered in Intake Forebay & Sample of Intake Water Analyzed for Total Residual Chlorine.Caused by Release of Sodium Hypochlorite to Water.Levels within NPDES Limits | |
ML20155J032 | 20 October 1988 | NPDES Noncompliance Notification:On 880801,util Reported Kill of Approx 278 Fish in Intake Forebay.Caused by Low Dissolved Oxygen Levels in Water Withdrawn from Chickamauga Reservoir.Conditions in Reservoir Improved.Count Terminated | |
ML20151Q250 | 3 August 1988 | Noncompliance Notification:On 880711,approx 1,500 Dead Fish Discovered in Diffuser Pond.Species Killed Were Threadfin & Gizzard Shad.Caused by Thermal Stress.Fish Removed & Allowed to Decay in Place | |
ML20100G640 | 27 March 1985 | NPDES Noncompliance Notification:On 850107,11,18 & 31,temp Rise Limit & Rate of Temp Change Limit Exceeded at Diffuser Discharge Gate.Caused by Malfunctions of Equipment,Including Cooling Tower Lift Pumps | |
ML20099G487 | 5 March 1985 | NPDES Noncompliance Notification:On 840808 & 10,total Residual Chlorine Concentrations Exceeding Permit Limitation Detected in Grab Samples.Caused by Malfunction of Sodium Hypochlorite Pumps.Pumps Repaired | Grab sample |
ML20091F875 | 28 May 1984 | NPDES Discharge Monitoring Repts for Feb-Apr 1984 | |
ML20076E102 | 23 May 1983 | NPDES Noncompliance Notification:On 830326 & 28,temp Rise Between Upstream Ambient Monitor & Downstream River Monitor Exceeded 5.4 F Limit.Caused by Low Riverflows.Cooling Tower & Increased Riverflows Used to Eliminate Delta Temp Changes | |
ML20069H697 | 31 March 1983 | NPDES Noncompliance Notification:On 830314,samples of Effluent Yard Drainage Pond Exceeded Allowable Ph Values. Caused by Accidently Damaged Sodium Hydroxide Tank Valve Releasing Contents Into Drainage Sys.Personnel Counseled | Grab sample |
ML20071D946 | 8 March 1983 | NPDES Noncompliance Notification:On 830223,grab Sample Collected from Concrete Batch Plant Settling Pond Contained 53 Mg/L Total Suspended Solids.Caused by Rainfall Runoff Vol Exceeding Treatment Capacity of Pool.No Action Taken | Grab sample |
ML20079P327 | 16 February 1983 | NPDES Noncompliance Notification:Determined That Natl Pollutant Discharge Elimination Sys Permit Should Be Issued W/No Substantial Changes from Tentative Determinations Previously Announced | |
ML20055C080 | 5 August 1982 | NPDES Noncompliance Notification:On 820721,three Samples of Yard Drainage Pond Effluent Contained Oil & Grease Concentrations Exceeding Daily Max Permit Limitation.Caused by Tanker Overflowing.Oil Absorbent Pillows Deployed | |
ML20058J565 | 22 July 1982 | NPDES Noncompliance Notification:On 820707,diffuser Discharged Into Tn River.Caused by Analytical Error Re Inoperable Titrator.Titrator Repaired & Returned to Svc. Spare Parts for Titrator on Emergency Order | |
ML20054E907 | 10 June 1982 | Notification of 820515 Noncompliance W/Effluent Limitations Re Diffuser Gate Discharge to Tn River.Cause Unknown. Increase in Release Vol from Chickamauga Dam Initiated to Increase Riverflow Past Plant to Increase Mixing Ratio | |
ML20050B798 | 1 April 1982 | NPDES Noncompliance Notification:On 820304 Svc Bldg Sump Samples Contained Concentration of Oil & Grease in Excess of Tech Specs Limit.Caused by Sump Not Being Cleaned Daily to Remove Normal Buildup of Oil.Sump Will Be Cleaned Daily | |
ML20038C910 | 9 December 1981 | NPDES Noncompliance Notification:On 811130,svc Bldg Sump Sample Exceeded Max Permit Limitation of Total Suspended Solids.Caused by Plant Workload Precluding Routine Sump Cleaning.Sump Cleaned on 811202 | |
ML20004C465 | 1 June 1981 | NPDES Noncompliance Notification:On 810319,sample Const Sewage Treatment Plant Effluent Had Ph of Less than Min Limits.Cause Not Known.Sodium Bicarbonate Added to Plant on 810319 to Increase Ph | |
ML19346A008 | 1 June 1981 | NPDES Noncompliance Notification:On 810507,svc Bldg Sump Discharge Found to Exceed Max Permissible Limit of 20 Mg Per Liter for Average Oil & Grease Concentration.Cleaning Solutions Believed Poured Down Svc Bldg Drains | |
ML19347E917 | 11 May 1981 | NPDES Noncompliance Notification:On 810427 Const Sewage Treatment Plant Effluent Sample Collected Less than Min Permit Limitation.Possibly Caused by Potable Water Being Turned Off Over Weekend Resulting in Flow Decrease | |
ML19347E610 | 11 May 1981 | NPDES Noncompliance Notification:On 810429,plant Effluent Sample Collected & Exceeded Max Permit Limitation.Possibly Caused by Sand Filter Sys Not Fully Recovered from Upset Described in 810417 Notification of Noncompliance |