NPDES permit TX0137502 · Minor NON-POTW · effective, expires 2031-05-26 · 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: Solids, total suspended (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 | Temperature, water deg. fahrenheit | DAILY AV | report only | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | <= .918 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= 2.11 MGD | all year |
| 001 | Chlorine, total residual | DAILY MX | <= .1 mg/L | all year |
| 101 | pH | MINIMUM | >= 6.5 SU | all year |
| 101 | pH | MAXIMUM | <= 9 SU | all year |
| 101 | Chromium, total [as Cr] | DAILY AV | <= .2 mg/L | all year |
| 101 | Chromium, total [as Cr] | DAILY MX | <= .2 mg/L | all year |
| 101 | Chromium, total [as Cr] | DAILY AV | <= 1.38 lb/d | all year |
| 101 | Chromium, total [as Cr] | DAILY MX | <= 1.38 lb/d | all year |
| 101 | Zinc, total [as Zn] | DAILY AV | <= 1 mg/L | all year |
| 101 | Zinc, total [as Zn] | DAILY MX | <= 1 mg/L | all year |
| 101 | Zinc, total [as Zn] | DAILY AV | <= 6.94 lb/d | all year |
| 101 | Zinc, total [as Zn] | DAILY MX | <= 6.94 lb/d | all year |
| 101 | Flow, in conduit or thru treatment plant | DAILY AV | <= .832 MGD | all year |
| 101 | Flow, in conduit or thru treatment plant | DAILY MX | <= .999 MGD | all year |
| 201 | pH | MINIMUM | >= 6.5 SU | all year |
| 201 | pH | MAXIMUM | <= 9 SU | all year |
| 201 | Solids, total suspended | DAILY AV | <= 30 mg/L | all year |
| 201 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 201 | Solids, total suspended | DAILY AV | <= 21.2 lb/d | all year |
| 201 | Solids, total suspended | DAILY MX | <= 70.9 lb/d | all year |
| 201 | Oil & Grease | DAILY AV | <= 15 mg/L | all year |
| 201 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 201 | Oil & Grease | DAILY AV | <= 10.6 lb/d | all year |
| 201 | Oil & Grease | DAILY MX | <= 14.1 lb/d | all year |
| 201 | Flow, in conduit or thru treatment plant | DAILY AV | <= .085 MGD | all year |
| 201 | Flow, in conduit or thru treatment plant | DAILY MX | <= 1.105 MGD | 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