NPDES permit TX0002976 · Major NON-POTW · effective, expires 2028-03-16 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
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 MX | <= 120 deg F | all year |
| 001 | Oxygen demand, chem. [high level] [COD] | DAILY AV | <= 10115 lb/d | all year |
| 001 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 19545 lb/d | all year |
| 001 | pH | MINIMUM | >= 5 SU | all year |
| 001 | pH | MAXIMUM | <= 11 SU | all year |
| 001 | Solids, total suspended | DAILY AV | <= 1518 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 2850 lb/d | all year |
| 001 | Oil & Grease | DAILY AV | <= 632 lb/d | all year |
| 001 | Oil & Grease | DAILY MX | <= 1107 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 186 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 279 lb/d | all year |
| 001 | Cyanide, free [as free] | DAILY AV | <= .242 lb/d | all year |
| 001 | Cyanide, free [as free] | DAILY MX | <= .509 lb/d | all year |
| 001 | Sulfide, total [as S] | DAILY AV | <= 12.4 lb/d | all year |
| 001 | Sulfide, total [as S] | DAILY MX | <= 26.7 lb/d | all year |
| 001 | Chromium, hexavalent [as Cr] | DAILY AV | <= 5.27 lb/d | all year |
| 001 | Chromium, hexavalent [as Cr] | DAILY MX | <= 10.8 lb/d | all year |
| 001 | Chromium, total [as Cr] | DAILY AV | <= 15.9 lb/d | all year |
| 001 | Chromium, total [as Cr] | DAILY MX | <= 41.9 lb/d | all year |
| 001 | Zinc, total [as Zn] | DAILY AV | <= 6.47 lb/d | all year |
| 001 | Zinc, total [as Zn] | DAILY MX | <= 13.7 lb/d | all year |
| 001 | Phenols | DAILY AV | <= 9.99 lb/d | all year |
| 001 | Phenols | DAILY MX | <= 21.3 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | <= 3.3 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= 3.9 MGD | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 294 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 441 lb/d | all year |
| 001 | pH range excursions, > 60 minutes | MO TOTAL | <= 0 occur/mo | all year |
| 001 | pH range excursions, monthly total accum | MO TOTAL | <= 446 min | all year |
| 002 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 150 mg/L | all year |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Oil & Grease | DAILY MX | <= 15 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 |
| 003 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 150 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 | 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 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 150 mg/L | 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 | 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 |
| 006 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 150 mg/L | all year |
| 006 | pH | MINIMUM | >= 6 SU | all year |
| 006 | pH | MAXIMUM | <= 9 SU | all year |
| 006 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 006 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 006 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 007 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 150 mg/L | all year |
| 007 | pH | MINIMUM | >= 6 SU | all year |
| 007 | pH | MAXIMUM | <= 9 SU | all year |
| 007 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 007 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 007 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 008 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 150 mg/L | all year |
| 008 | pH | MINIMUM | >= 6 SU | all year |
| 008 | pH | MAXIMUM | <= 9 SU | all year |
| 008 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 008 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 008 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | MO AV MN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | MO AV MN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TXA | LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | SINGSAMP | report only | all year |
| TXA | LC50 Pass/Fail Static 24Hr Acute Menidia menidia | 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