NPDES permit TX0024112 · Major POTW · administratively continued, expires 2025-09-25 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2025-09-25 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (26), BOD, carbonaceous [5 day, 20 C] (23), Solids, total suspended (23).
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 | <= 15 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 40 mg/L | all year |
| 001 | Solids, total suspended | DAILY AV | <= 1539 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 2 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 | <= 205 lb/d | all year |
| 001 | Cyanide, total [as CN] | DAILY AV | <= .012 mg/L | all year |
| 001 | Cyanide, total [as CN] | DAILY MX | <= .026 mg/L | all year |
| 001 | Cyanide, total [as CN] | DAILY AV | <= 1.2 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 | <= 25625 gal/min | all year |
| 001 | Flow, in conduit or thru treatment plant | ANNL AVG | <= 12.3 MGD | all year |
| 001 | E. coli, colony forming units [CFU] | DAILY AV | <= 126 CFU/100mL | all year |
| 001 | E. coli, colony forming units [CFU] | DAILY MX | <= 399 CFU/100mL | all year |
| 001 | Mercury, total [as Hg] | DAILY AV | <= .000168 mg/L | all year |
| 001 | Mercury, total [as Hg] | DAILY MX | <= .000356 mg/L | all year |
| 001 | Mercury, total [as Hg] | DAILY AV | <= .0172 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 10 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 25 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 1026 lb/d | all year |
| TX1 | Whole effluent toxicity | 7 DA MIN | >= 80 % | all year |
| TX1 | Whole effluent toxicity | MO AV MN | >= 80 % | all year |
| TX1 | Whole effluent toxicity | 7 DA MIN | >= 80 % | all year |
| TX1 | Whole effluent toxicity | MO AV MN | >= 80 % | all year |
| TX1 | Whole effluent toxicity | 7 DA MIN | >= 100 % | all year |
| TX1 | Whole effluent toxicity | MO AV MN | >= 100 % | all year |
| TX1 | Whole effluent toxicity | 7 DA MIN | >= 100 % | all year |
| TX1 | Whole effluent toxicity | MO AV MN | >= 100 % | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | MO AV MN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | MO AV MN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA AVG | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | MO AV MN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7 DA MIN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | MO AV MN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | MO AV MN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic 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