NPDES permit TX0117005 · Minor NON-POTW · effective, expires 2030-08-13 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-08-31.
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 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 200 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 | Aluminum, total [as Al] | DAILY AV | report only | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | report only | 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 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 200 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 | 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 |
| 003 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 200 mg/L | all year |
| 003 | pH | MINIMUM | >= 6 SU | all year |
| 003 | pH | MAXIMUM | <= 9 SU | all year |
| 003 | Oil & Grease | DAILY MX | <= 15 mg/L | 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 | Solids, total suspended | DAILY MX | <= 65 mg/L | all year |
| 004 | Oil & Grease | 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 |
| 101 | BOD, 5-day, 20 deg. C | DAILY AV | <= 56 mg/L | all year |
| 101 | BOD, 5-day, 20 deg. C | DAILY MX | <= 220 mg/L | all year |
| 101 | pH | MINIMUM | >= 6 SU | all year |
| 101 | pH | MAXIMUM | <= 9 SU | all year |
| 101 | Solids, total suspended | DAILY AV | <= 27 mg/L | all year |
| 101 | Solids, total suspended | DAILY MX | <= 88 mg/L | all year |
| 101 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 101 | Nitrogen, ammonia total [as N] | DAILY AV | <= 4.9 mg/L | all year |
| 101 | Nitrogen, ammonia total [as N] | DAILY MX | <= 10 mg/L | all year |
| 101 | Cyanide, free [as free] | DAILY AV | <= .038 mg/L | all year |
| 101 | Cyanide, free [as free] | DAILY MX | <= .081 mg/L | all year |
| 101 | Arsenic, total [as As] | DAILY AV | <= .508 mg/L | all year |
| 101 | Arsenic, total [as As] | DAILY MX | <= 1.07 mg/L | all year |
| 101 | Chromium, total [as Cr] | DAILY AV | <= .46 mg/L | all year |
| 101 | Chromium, total [as Cr] | DAILY MX | <= 1.1 mg/L | all year |
| 101 | Zinc, total [as Zn] | DAILY AV | <= .296 mg/L | all year |
| 101 | Zinc, total [as Zn] | DAILY MX | <= .535 mg/L | all year |
| 101 | Radium 226 + radium 228, total | DAILY MX | report only | all year |
| 101 | Uranium, total | DAILY MX | report only | all year |
| 101 | Phenol | DAILY AV | <= .029 mg/L | all year |
| 101 | Phenol | DAILY MX | <= .048 mg/L | all year |
| 101 | Naphthalene | DAILY AV | <= .022 mg/L | all year |
| 101 | Naphthalene | DAILY MX | <= .059 mg/L | all year |
| 101 | Flow, in conduit or thru treatment plant | DAILY AV | <= .02 MGD | all year |
| 101 | Flow, in conduit or thru treatment plant | DAILY MX | <= .06 MGD | all year |
| 101 | .alpha.-Terpineol | DAILY AV | <= .019 mg/L | all year |
| 101 | .alpha.-Terpineol | DAILY MX | <= .042 mg/L | all year |
| 101 | Beta/photon emitters | DAILY MX | report only | all year |
| 101 | Pyridine | DAILY AV | <= .025 mg/L | all year |
| 101 | Pyridine | DAILY MX | <= .072 mg/L | all year |
| 101 | Aniline | DAILY AV | <= .015 mg/L | all year |
| 101 | Aniline | DAILY MX | <= .024 mg/L | all year |
| 101 | p-Cresol | DAILY AV | <= .015 mg/L | all year |
| 101 | p-Cresol | DAILY MX | <= .024 mg/L | all year |
| 101 | Benzoic acids, total | DAILY AV | <= .073 mg/L | all year |
| 101 | Benzoic acids, total | DAILY MX | <= .119 mg/L | all year |
| 101 | Alpha, gross particle activity | 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