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Electric Services, major discharger, Paris, Texas. NPDES permit TX0103586 expired Oct 6, 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 | daily average | ≤ 105 deg F | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 115 deg F | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 1.5 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.1 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 4.69 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.7 lb/d | all year | 001 |
| Phosphorus, total [as P] | daily maximum | ≤ 6.26 lb/d | all year | 001 |
| Chromium, total [as Cr] | daily average | ≤ .2 mg/L | all year | 001 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily average | ≤ .641 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.35 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily average | ≤ 1.77 lb/d | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 3.74 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | ≤ .375 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .683 MGD | 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 | ≤ .052 lb/d | all year | 001 |
| Chlorine, free available | daily maximum | ≤ .13 lb/d | all year | 001 |
| E. coli | daily average | report only (CFU/100mL) | all year | 001 |
| E. coli | daily maximum | report only (CFU/100mL) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | report only (lb/d) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (lb/d) | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 150 mg/L | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 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 |
| 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 |
| Copper, total [as Cu] | daily average | ≤ 1 mg/L | all year | 101 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | all year | 101 |
| Iron, total [as Fe] | daily average | ≤ 1 mg/L | all year | 101 |
| Iron, total [as Fe] | daily maximum | ≤ 1 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 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #1 | 48-hour 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 #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 48-hour 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 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX1 |
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| 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 |
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/TX0103586 · MCP: https://passage-data.com/mcp