NPDES permit TX0002909 · Minor NON-POTW · effective, expires 2027-03-08 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: Phenols (2), Oxygen demand, chem. [high level] [COD] (2).
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 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 001 | Carbon, tot organic [TOC] | DAILY MX | <= 55 mg/L | 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 |
| 002 | Oxygen demand, chem. [high level] [COD] | DAILY AV | <= 71 mg/L | all year |
| 002 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 140 mg/L | all year |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | DAILY AV | <= 30 mg/L | all year |
| 002 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 002 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 002 | Nitrogen, ammonia total [as N] | DAILY AV | <= 2 mg/L | all year |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 9.5 mg/L | all year |
| 002 | Sulfide, total [as S] | DAILY AV | <= .03 mg/L | all year |
| 002 | Sulfide, total [as S] | DAILY MX | <= .07 mg/L | all year |
| 002 | Copper, total [as Cu] | DAILY AV | <= .023 mg/L | all year |
| 002 | Copper, total [as Cu] | DAILY MX | <= .05 mg/L | all year |
| 002 | Lead, total [as Pb] | DAILY AV | <= .15 mg/L | all year |
| 002 | Lead, total [as Pb] | DAILY MX | <= .3 mg/L | all year |
| 002 | Phenols | DAILY AV | <= .08 mg/L | all year |
| 002 | Phenols | DAILY MX | <= .14 mg/L | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 002 | Enterococci | DAILY AV | <= 35 CFU/100mL | all year |
| 002 | Enterococci | DAILY MX | <= 89 CFU/100mL | all year |
| 002 | Mercury, total [as Hg] | DAILY MX | <= .0018 mg/L | all year |
| 003 | pH | MINIMUM | >= 6 SU | all year |
| 003 | pH | MAXIMUM | <= 9 SU | all year |
| 003 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 003 | Carbon, tot organic [TOC] | DAILY MX | <= 55 mg/L | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 005 | pH | MINIMUM | >= 6 SU | all year |
| 005 | pH | MAXIMUM | <= 9 SU | all year |
| 005 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 005 | Carbon, tot organic [TOC] | DAILY MX | <= 55 mg/L | all year |
| 005 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 005 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| TX2 | Whole effluent toxicity - retest #1 | SINGSAMP | report only | all year |
| TX2 | Whole effluent toxicity - retest #2 | SINGSAMP | report only | all year |
| TX2 | LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | SINGSAMP | report only | all year |
| TX2 | LC50 Pass/Fail Static 24Hr Acute Menidia menidia | SINGSAMP | report only | all year |
| TXB | Whole effluent toxicity - retest #1 | 7 DA MIN | report only | all year |
| TXB | Whole effluent toxicity - retest #1 | MO AV MN | report only | all year |
| TXB | Whole effluent toxicity - retest #2 | 7 DA MIN | report only | all year |
| TXB | Whole effluent toxicity - retest #2 | MO AV MN | report only | all year |
| TXB | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TXB | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | MO AV MN | report only | all year |
| TXB | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TXB | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TXB | NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TXB | NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TXB | NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TXB | NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TXB | NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TXB | NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TXB | NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TXB | NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TXB | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TXB | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TXB | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TXB | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TXB | LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TXB | LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TXB | LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TXB | LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TXB | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TXB | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | MO AV MN | report only | all year |
| TXB | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TXB | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | 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