Passage Data · Check a report · Use it from your AI
Electric Services, major discharger, San Antonio, Texas. NPDES permit TX0063681, in force until Jan 9, 2031. Last 12 months: no values over a limit, 60 required values missing, 2 of 188 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily average | ≤ 110 deg F | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 115 deg F | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 10 SU | all year | 001 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 1440 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 1800 MGD | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .2 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 400 lb/d | all year | 001 |
| Chlorine, free available | daily average | ≤ .2 mg/L | all year | 001 |
| Chlorine, free available | daily maximum | ≤ .5 mg/L | all year | 001 |
| Chlorine, free available | daily average | ≤ 400 lb/d | all year | 001 |
| Chlorine, free available | daily maximum | ≤ 1001 lb/d | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 10 SU | all year | 002 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 100 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 |
| 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 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 006 |
| 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 |
| Temperature, water deg. fahrenheit | daily average | ≤ 110 deg F | all year | 007 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 115 deg F | all year | 007 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | report only (mg/L) | all year | 007 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | ≤ 10 SU | all year | 007 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 007 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 007 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 1440 MGD | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 1800 MGD | all year | 007 |
| Chlorine, total residual | daily maximum | ≤ .2 mg/L | all year | 007 |
| Chlorine, total residual | daily maximum | ≤ 400 lb/d | all year | 007 |
| Chlorine, free available | daily average | ≤ .2 mg/L | all year | 007 |
| Chlorine, free available | daily maximum | ≤ .5 mg/L | all year | 007 |
| Chlorine, free available | daily average | ≤ 400 lb/d | all year | 007 |
| Chlorine, free available | daily maximum | ≤ 1001 lb/d | all year | 007 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 014 |
| pH | minimum | ≥ 6 SU | all year | 014 |
| pH | maximum | ≤ 9 SU | all year | 014 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 015 |
| pH | minimum | ≥ 6 SU | all year | 015 |
| pH | maximum | ≤ 9 SU | all year | 015 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 016 |
| pH | minimum | ≥ 6 SU | all year | 016 |
| pH | maximum | ≤ 9 SU | all year | 016 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 016 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 016 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 017 |
| pH | minimum | ≥ 6 SU | all year | 017 |
| pH | maximum | ≤ 9 SU | all year | 017 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 017 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 017 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 018 |
| pH | minimum | ≥ 6 SU | all year | 018 |
| pH | maximum | ≤ 9 SU | all year | 018 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 018 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 018 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 101 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 101 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 101 |
| Flow, in conduit or thru treatment plant | daily 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 | daily average | ≤ 30 mg/L | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 102 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 102 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 102 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 102 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 102 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 104 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 104 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 104 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 104 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 104 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 104 |
| pH | minimum | ≥ 6 SU | all year | 108 |
| pH | maximum | ≤ 10 SU | all year | 108 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 108 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 108 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 108 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 108 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 108 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 108 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 20 mg/L | all year | 110 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 110 |
| BOD, 5-day, 20 deg. C | daily average | ≤ 6.6 lb/d | all year | 110 |
| pH | minimum | ≥ 6 SU | all year | 110 |
| pH | maximum | ≤ 9 SU | all year | 110 |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year | 110 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 110 |
| Solids, total suspended | daily average | ≤ 6.6 lb/d | all year | 110 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .04 MGD | all year | 110 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .08 MGD | all year | 110 |
| Chlorine, total residual | monthly minimum | ≥ 1 mg/L | all year | 110 |
| E. coli | daily average | ≤ 126 MPN/100mL | all year | 110 |
| E. coli | daily maximum | ≤ 399 MPN/100mL | all year | 110 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 111 |
| pH | minimum | ≥ 6 SU | all year | 111 |
| pH | maximum | ≤ 10 SU | all year | 111 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 111 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 111 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 111 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 111 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 111 |
| pH | minimum | ≥ 6 SU | all year | 112 |
| pH | maximum | ≤ 10 SU | all year | 112 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 112 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 112 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 112 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 112 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 112 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 112 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 200 mg/L | all year | 712 |
| pH | minimum | ≥ 6 SU | all year | 712 |
| pH | maximum | ≤ 10 SU | all year | 712 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 712 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 712 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 712 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 712 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 712 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 712 |
| pH | minimum | ≥ 6 SU | all year | 713 |
| pH | maximum | ≤ 9 SU | all year | 713 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 713 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 713 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 713 |
| Selenium, total [as Se] | daily maximum | ≤ .2 mg/L | all year | 713 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 713 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 713 |
| pH | minimum | ≥ 6 SU | all year | 714 |
| pH | maximum | ≤ 10 SU | all year | 714 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 714 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 714 |
| Oil & Grease | daily average | ≤ 15 mg/L | all year | 714 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 714 |
| Copper, total [as Cu] | daily average | ≤ .5 mg/L | all year | 714 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | all year | 714 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 714 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 714 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 714 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 714 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX7 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX7 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX7 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX7 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX7 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX7 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX7 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX7 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX7 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX7 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX7 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX7 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX7 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX7 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX7 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX7 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX7 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX7 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX7 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX7 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX7 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX7 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX7 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXA |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXA |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXG |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXG |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXG |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXG |
Cited limits by parameter: Texas's rules and the federal ones.
Same industry: the 87 Electric Services permits in Texas.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0063681 · MCP: https://passage-data.com/mcp