NPDES permit TX0137618 · Major NON-POTW · effective, expires 2027-10-13 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
Last 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 | 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 | <= 75 mg/L | all year |
| 001 | Lead, total [as Pb] | DAILY MX | <= .1 mg/L | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | <= 1.77 mg/L | all year |
| 001 | Methyl tert-butyl ether [MTBE] | DAILY MX | <= .15 mg/L | all year |
| 001 | Benzene, ethylbenzene, toluene, xylene combination | DAILY MX | <= .5 mg/L | all year |
| 001 | Benzene | DAILY MX | <= .05 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 |
| 001 | Hydrocarbons, petroleum | DAILY MX | <= 15 mg/L | 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