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Electric Services, major discharger, Westlake, Louisiana. NPDES permit LA0127334 expired Sep 30, 2024; 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 | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 97 deg F | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Chromium, total [as Cr] | monthly average | ≤ .2 mg/L | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 001 |
| Zinc, total [as Zn] | monthly average | ≤ .619 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/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 |
| 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, free available | monthly average | ≤ .2 mg/L | all year | 001 |
| Chlorine, free available | daily maximum | ≤ .5 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 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | 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 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 003 |
| Lead, total [as Pb] | daily maximum | ≤ 50 ug/L | all year | 003 |
| Benzene | daily maximum | ≤ 50 ug/L | all year | 003 |
| BTEX | daily maximum | ≤ 250 ug/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| 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 |
| 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 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 201 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 201 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 201 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 301 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 301 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 301 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 301 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 301 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 301 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 301 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 301 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 200 mg/L | all year | 401 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 300 mg/L | all year | 401 |
| Copper, total [as Cu] | monthly average | ≤ 1 mg/L | all year | 401 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | all year | 401 |
| Iron, total [as Fe] | monthly average | ≤ 1 mg/L | all year | 401 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 401 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 401 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 401 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 501 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 501 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 501 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 501 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 501 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year | 501 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 501 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 501 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | EQT9 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | EQT9 |
| Cooling Water Intake Velocity | monthly average | report only (ft/sec) | all year | EQT9 |
| Cooling Water Intake Velocity | daily maximum | report only (ft/sec) | all year | EQT9 |
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/LA0127334 · MCP: https://passage-data.com/mcp