NPDES permit TX0135593 · Minor NON-POTW · effective, expires 2029-01-25 · 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 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 150 mg/L | all year |
| 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 AV | <= 22 mg/L | all year |
| 001 | Carbon, tot organic [TOC] | DAILY MX | <= 55 mg/L | all year |
| 001 | Cyanide, free [as free] | DAILY MX | <= .018 mg/L | all year |
| 001 | Arsenic, total [as As] | DAILY MX | <= .494 mg/L | all year |
| 001 | Chromium, hexavalent [as Cr] | DAILY MX | <= 1.17 mg/L | all year |
| 001 | Lead, total [as Pb] | DAILY MX | <= .1 mg/L | all year |
| 001 | Nickel, total [as Ni] | DAILY AV | <= .185 mg/L | all year |
| 001 | Nickel, total [as Ni] | DAILY MX | <= .392 mg/L | all year |
| 001 | Silver, total [as Ag] | DAILY MX | <= .015 mg/L | all year |
| 001 | Selenium, total [as Se] | DAILY MX | <= 1.87 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 | Flow [dry weather] | DAILY AV | <= .3 MGD | all year |
| 001 | Flow [dry weather] | DAILY MX | <= .75 MGD | all year |
| 001 | Hydrocarbons, total petroleum | DAILY MX | <= 15 mg/L | 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 | Lead, total [as Pb] | DAILY MX | <= .1 mg/L | all year |
| 002 | Benzene, ethylbenzene, toluene, xylene combination | DAILY MX | <= .5 mg/L | all year |
| 002 | Benzene | DAILY MX | <= .05 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 | Hydrocarbons, total petroleum | DAILY MX | <= 15 mg/L | 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