NPDES permit TX0047571 · Major POTW · effective, expires 2030-01-15 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-08-31.
Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | MO MIN | >= 6 mg/L | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | DAILY AV | <= 20 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 45 mg/L | all year |
| 001 | Solids, total suspended | DAILY AV | <= 550 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 4 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 10 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 110 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | 2P | <= 6875 gal/min | all year |
| 001 | Flow, in conduit or thru treatment plant | ANNL AVG | <= 3.3 MGD | all year |
| 001 | Chlorine, total residual | INST MAX | < .1 mg/L | all year |
| 001 | Chlorine, total residual | MO MIN | >= 1 mg/L | all year |
| 001 | E. coli | DAILY AV | <= 126 CFU/100mL | all year |
| 001 | E. coli | DAILY MX | <= 399 CFU/100mL | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 20 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 45 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 550 lb/d | all year |
| TX1 | Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48HR MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | MO AV MN | report only | all year |
| TX1 | NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48HR MIN | report only | all year |
| TX1 | NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | MO AV MN | report only | all year |
| TX1 | LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 48HR MIN | report only | all year |
| TX1 | LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 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