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Electric Services, major discharger, Thompsons, Texas. NPDES permit TX0006394 expired Aug 31, 2024; its limits still apply. Last 12 months: over a limit 4 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| February 2026 | 113 | E. coli, daily maximum | > 2420 CFU/100mL | ≤ 399 CFU/100mL | — |
| March 2026 | TX3 | Whole Effluent Toxicity [WET] - C. dubia, 7-day minimum | 56 % | ≥ 80 % | 30% |
| March 2026 | TX3 | Whole Effluent Toxicity [WET] - C. dubia, monthly average minimum | 78 % | ≥ 80 % | 3% |
| August 2026 | 005 | Oil & Grease, daily maximum | 21.2 mg/L | ≤ 20 mg/L | 6% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 95 deg F | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 37 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Solids, total dissolved | daily maximum | ≤ 2500 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 002 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 002 |
| Copper, total [as Cu] | daily average | ≤ .078 mg/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ .164 mg/L | all year | 002 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Selenium, total [as Se] | daily maximum | ≤ .012 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Temperature, water deg. fahrenheit | daily average | ≤ 110 deg F | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 118 deg F | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | daily average | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 2121 MGD | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ .2 mg/L | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ 1770 lb/d | all year | 003 |
| Chlorine, free available | daily average | ≤ .2 mg/L | all year | 003 |
| Chlorine, free available | daily maximum | ≤ .5 mg/L | all year | 003 |
| Chlorine, free available | daily average | ≤ 295 lb/d | all year | 003 |
| Chlorine, free available | daily maximum | ≤ 737 lb/d | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 004 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 004 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 004 |
| Selenium, total [as Se] | daily average | ≤ .05 mg/L | all year | 004 |
| Selenium, total [as Se] | daily maximum | ≤ .1 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 1.296 MGD | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 2.6 MGD | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 005 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 005 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 006 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 103 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 103 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 103 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 103 |
| Copper, total [as Cu] | daily average | ≤ .5 mg/L | all year | 103 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | all year | 103 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 103 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 103 |
| Selenium, total [as Se] | daily maximum | ≤ .2 mg/L | all year | 103 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 103 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 103 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 20 mg/L | all year | 113 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 113 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 113 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 113 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 113 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 113 |
| E. coli | daily average | ≤ 126 CFU/100mL | all year | 113 |
| E. coli | daily maximum | ≤ 399 CFU/100mL | all year | 113 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 203 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 203 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 203 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 203 |
| Selenium, total [as Se] | daily maximum | ≤ .2 mg/L | all year | 203 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 203 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 203 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 303 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 303 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 303 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 303 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 303 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 303 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 403 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 403 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 403 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 403 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 403 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 403 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 503 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 503 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 503 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 503 |
| Chromium, total [as Cr] | daily average | ≤ .2 mg/L | all year | 503 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 503 |
| Zinc, total [as Zn] | daily average | ≤ 1 mg/L | all year | 503 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 503 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 503 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 503 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 603 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 603 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 603 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 603 |
| Copper, total [as Cu] | daily average | ≤ .5 mg/L | all year | 603 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | all year | 603 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 603 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 603 |
| Selenium, total [as Se] | daily maximum | ≤ .2 mg/L | all year | 603 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 603 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 603 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 703 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 703 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 703 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 703 |
| Selenium, total [as Se] | daily maximum | ≤ .2 mg/L | all year | 703 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 703 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 703 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 803 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 803 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 803 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 803 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 803 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 803 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 20 mg/L | all year | 903 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 903 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 903 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 903 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 903 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 903 |
| E. coli | daily average | ≤ 126 CFU/100mL | all year | 903 |
| E. coli | daily maximum | ≤ 399 CFU/100mL | all year | 903 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | ≥ 80 % | all year | TX3 |
| Whole Effluent Toxicity [WET] - C. dubia | monthly average minimum | ≥ 80 % | all year | TX3 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | ≥ 100 % | all year | TX3 |
| Whole Effluent Toxicity [WET] - C. dubia | monthly average minimum | ≥ 100 % | all year | TX3 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | report only (%) | all year | TX3 |
| Whole Effluent Toxicity [WET] - C. dubia | monthly average minimum | report only (%) | all year | TX3 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | report only (%) | all year | TX3 |
| Whole Effluent Toxicity [WET] - C. dubia | monthly average minimum | report only (%) | all year | TX3 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX3 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX3 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX3 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX3 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX3 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX3 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX3 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX3 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX3 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX3 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX3 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX3 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXC |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXC |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXC |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXC |
Cited limits by parameter: Texas's rules and the federal ones.
Same industry: the 87 Electric Services permits in Texas.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0006394 · MCP: https://passage-data.com/mcp