NPDES permit TX0100919 · Minor NON-POTW · effective, expires 2029-06-26 · 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: pH (1).
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 | 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 | Temperature, water deg. fahrenheit | DAILY AV | <= 95 deg F | all year |
| 002 | Temperature, water deg. fahrenheit | DAILY MX | <= 95 deg F | all year |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Oil & Grease | DAILY AV | <= 15 mg/L | all year |
| 002 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 002 | Carbon, tot organic [TOC] | DAILY AV | <= 75 mg/L | all year |
| 002 | Carbon, tot organic [TOC] | DAILY MX | <= 100 mg/L | all year |
| 002 | Copper, total [as Cu] | DAILY AV | <= .233 mg/L | all year |
| 002 | Copper, total [as Cu] | DAILY MX | <= .494 mg/L | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY AV | <= .504 MGD | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | <= .864 MGD | all year |
| 002 | Chlorine, free available | DAILY AV | <= .2 mg/L | all year |
| 002 | Chlorine, free available | DAILY MX | <= .5 mg/L | all year |
| TX2 | Whole effluent toxicity - retest #1 | 48HR MIN | report only | all year |
| TX2 | Whole effluent toxicity - retest #1 | MO AV MN | report only | all year |
| TX2 | Whole effluent toxicity - retest #2 | 48HR MIN | report only | all year |
| TX2 | Whole effluent toxicity - retest #2 | MO AV MN | report only | all year |
| TX2 | LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | 48HR MIN | report only | all year |
| TX2 | LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | MO AV MN | report only | all year |
| TX2 | Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia beryllina | 48HR MIN | report only | all year |
| TX2 | Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia beryllina | MO AV MN | report only | all year |
| TX2 | NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | 48HR MIN | report only | all year |
| TX2 | NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TX2 | NOAEC Lethal Static Renewal 48HR Acute Menidia beryllina | 48HR MIN | report only | all year |
| TX2 | NOAEC Lethal Static Renewal 48HR Acute Menidia beryllina | MO AV MN | report only | all year |
| TX2 | LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 48HR MIN | report only | all year |
| TX2 | LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TX2 | LOAEC Lethal Survival Static Renewal 48Hr Acute Menidia beryllina | 48HR MIN | report only | all year |
| TX2 | LOAEC Lethal Survival Static Renewal 48Hr Acute Menidia beryllina | MO AV MN | report only | all year |
| TXB | Whole effluent toxicity - retest #1 | SINGSAMP | report only | all year |
| TXB | Whole effluent toxicity - retest #2 | SINGSAMP | report only | all year |
| TXB | LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | SINGSAMP | report only | all year |
| TXB | LC50 Pass/Fail Static 24Hr Acute Menidia beryllina | 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