NPDES permit TX0005479 · Minor NON-POTW · effective, expires 2028-02-10 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31. Most often over: Copper, total [as Cu] (4), Solids, total suspended (1).
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 demand, chem. [high level] [COD] | DAILY AV | <= 63 lb/d | all year |
| 001 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 100 lb/d | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | DAILY AV | <= 9.4 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 20.6 lb/d | all year |
| 001 | Oil & Grease | DAILY AV | <= 4.2 lb/d | all year |
| 001 | Oil & Grease | DAILY MX | <= 7.5 lb/d | all year |
| 001 | Copper, total [as Cu] | DAILY AV | <= .016 mg/L | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= .034 mg/L | all year |
| 001 | Copper, total [as Cu] | DAILY AV | <= .008 lb/d | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= .017 lb/d | all year |
| 001 | Aluminum, total [as Al] | DAILY AV | <= .835 mg/L | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | <= 1.766 mg/L | all year |
| 001 | Aluminum, total [as Al] | DAILY AV | <= .41 lb/d | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | <= .88 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | <= .06 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= .175 MGD | all year |
| TX1 | Whole effluent toxicity - retest #1 | 48HR MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | MO AV MN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 48HR MIN | 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 | 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 | LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48HR 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 | 48HR 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 | 48HR 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 | 48HR 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 | 48HR 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