NPDES permit TX0124516 · Minor NON-POTW · effective, expires 2026-09-30 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31. Most often over: pH (1).
Reports are due about 20 days after each monitoring period ends (the most common figure among TX permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. fahrenheit | DAILY AV | report only | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | Oxygen, dissolved [DO] | MO MIN | >= 5 mg/L | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | DAILY AV | <= 24.1 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 67.8 mg/L | all year |
| 001 | Oil & Grease | DAILY AV | <= 12.1 mg/L | all year |
| 001 | Oil & Grease | DAILY MX | <= 17.1 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 9.9 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 19.9 lb/d | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Chlorine, free available | DAILY AV | <= .18 mg/L | all year |
| 001 | Chlorine, free available | DAILY MX | <= .45 mg/L | all year |
| 001 | Flow [dry weather] | DAILY AV | <= 1.19 MGD | all year |
| 001 | Flow [dry weather] | DAILY MX | <= 1.45 MGD | all year |
| 001 | Solids, total dissolved | DAILY AV | report only | all year |
| 001 | Solids, total dissolved | DAILY MX | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 297 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 594 lb/d | all year |
| 101 | pH | MINIMUM | >= 6 SU | all year |
| 101 | pH | MAXIMUM | <= 9 SU | all year |
| 101 | Solids, total suspended | DAILY MX | <= 60 mg/L | all year |
| 101 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 101 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 101 | E. coli | DAILY AV | <= 126 MPN/100mL | all year |
| 101 | E. coli | DAILY MX | <= 394 MPN/100mL | all year |
| 101 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 35 mg/L | all year |
| TX1 | Whole effluent toxicity - retest #1 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | MO AV MN | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | MO AV MN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | MO AV MN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | MO AV MN | report only | all year |
| TX1 | Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 7 DA MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | MO AV MN | report only | all year |
| TX1 | LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | MO AV MN | report only | all year |
| TX1 | NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 7 DA MIN | report only | all year |
| TX1 | NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | MO AV MN | report only | all year |
| TX1 | NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | MO AV MN | report only | all year |
| TX1 | LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 7 DA MIN | report only | all year |
| TX1 | LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | MO AV MN | report only | all year |
| TX1 | LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | MO AV MN | report only | all year |
| TXA | Whole effluent toxicity - retest #1 | SINGSAMP | report only | all year |
| TXA | Whole effluent toxicity - retest #2 | SINGSAMP | report only | all year |
| TXA | LC50 Pass/Fail Static 24Hr Acute D. Pulex | SINGSAMP | report only | all year |
| TXA | LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | SINGSAMP | report only | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states