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Electric Services, major discharger, Shreveport, Louisiana. NPDES permit LA0002925 expired Jan 31, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | instantaneous maximum | ≤ 90 deg F | all year | 001 |
| Copper, total [as Cu] | monthly average | ≤ 18 ug/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 43 ug/L | all year | 001 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| WET, sublethal retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Phenolics, total recoverable | monthly average | ≤ 7 ug/L | all year | 001 |
| Phenolics, total recoverable | daily maximum | ≤ 16 ug/L | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .2 mg/L | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | 001 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | 001 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | 001 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | 001 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | 001 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | 001 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | 001 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | 001 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | 001 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | 001 |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | maximum | report only (%) | all year | 001 |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | maximum | report only (%) | all year | 001 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 114 deg F | all year | 002 |
| Color [PT-CO units] | monthly average | report only (col unit (pc)) | all year | 002 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Chromium, total [as Cr] | monthly average | ≤ .2 mg/L | all year | 002 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 002 |
| Chromium, total [as Cr] | monthly average | ≤ 2.64 lb/d | all year | 002 |
| Chromium, total [as Cr] | daily maximum | ≤ 2.64 lb/d | all year | 002 |
| Zinc, total [as Zn] | monthly average | ≤ 1 mg/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Zinc, total [as Zn] | monthly average | ≤ 13.2 lb/d | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ 13.2 lb/d | all year | 002 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, free available | monthly average | ≤ .2 mg/L | all year | 002 |
| Chlorine, free available | daily maximum | ≤ .5 mg/L | all year | 002 |
| Chlorine, free available | monthly average | ≤ 2.64 lb/d | all year | 002 |
| Chlorine, free available | daily maximum | ≤ 6.59 lb/d | all year | 002 |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 002 |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | 002 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | 002 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | 002 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | 002 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | 002 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | 002 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | 002 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | 002 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | 002 |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | maximum | report only (%) | all year | 002 |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | maximum | report only (%) | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 101 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 101 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 101 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 101 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 102 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 102 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 102 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 102 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 102 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 102 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 102 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 202 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 202 |
| Chlorine, total residual | daily maximum | ≤ .2 mg/L | all year | 202 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | EQT |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | EQT |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | EQT |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | EQT |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 29 Electric Services permits in Louisiana.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/LA0002925 · MCP: https://passage-data.com/mcp