NPDES permit TX0136573 · Minor NON-POTW · effective, expires 2029-11-18 · 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. Most often over: Sulfide, total [as S] (11).
Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 001 | Petrol hydrocarbons, total recoverable | DAILY MX | <= 15 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 | BOD, 5-day, 20 deg. C | DAILY AV | <= 71.5 lb/d | all year |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | <= 134.9 lb/d | all year |
| 002 | Oxygen demand, chem. [high level] [COD] | DAILY AV | <= 391.9 lb/d | all year |
| 002 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 766.2 lb/d | all year |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | DAILY AV | <= 60.9 lb/d | all year |
| 002 | Solids, total suspended | DAILY MX | <= 95.9 lb/d | all year |
| 002 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 002 | Oil & Grease | DAILY AV | <= 22.6 lb/d | all year |
| 002 | Oil & Grease | DAILY MX | <= 42.2 lb/d | all year |
| 002 | Nitrogen, ammonia total [as N] | DAILY AV | <= 11.3 lb/d | all year |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 25.1 lb/d | all year |
| 002 | Cyanide, free [as free] | DAILY AV | report only | all year |
| 002 | Cyanide, free [as free] | DAILY MX | report only | all year |
| 002 | Cyanide, free [as free] | DAILY AV | report only | all year |
| 002 | Cyanide, free [as free] | DAILY MX | report only | all year |
| 002 | Sulfide, total [as S] | DAILY AV | <= .3 lb/d | all year |
| 002 | Sulfide, total [as S] | DAILY MX | <= .68 lb/d | all year |
| 002 | Chromium, hexavalent [as Cr] | DAILY AV | <= .08 lb/d | all year |
| 002 | Chromium, hexavalent [as Cr] | DAILY MX | <= .17 lb/d | all year |
| 002 | Chromium, total [as Cr] | DAILY AV | <= 1.1 lb/d | all year |
| 002 | Chromium, total [as Cr] | DAILY MX | <= 1.97 lb/d | all year |
| 002 | Phenolics, total recoverable | DAILY AV | <= .5 lb/d | all year |
| 002 | Phenolics, total recoverable | DAILY MX | <= 1 lb/d | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY AV | <= .25 MGD | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | <= .3 MGD | all year |
| 003 | pH | MINIMUM | >= 6 SU | all year |
| 003 | pH | MAXIMUM | <= 9 SU | all year |
| 003 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 003 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 003 | Carbon, tot organic [TOC] | DAILY MX | <= 110 mg/L | all year |
| 003 | Zinc, total [as Zn] | DAILY AV | report only | all year |
| 003 | Zinc, total [as Zn] | DAILY MX | report only | 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 |
| 004 | pH | MINIMUM | >= 6 SU | all year |
| 004 | pH | MAXIMUM | <= 9 SU | all year |
| 004 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 004 | Petrol hydrocarbons, total recoverable | DAILY MX | <= 15 mg/L | all year |
| 004 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 005 | pH | MINIMUM | >= 6 SU | all year |
| 005 | pH | MAXIMUM | <= 9 SU | all year |
| 005 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 005 | Petrol hydrocarbons, total recoverable | 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 |
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