NPDES permit TX0123421 · Minor NON-POTW · effective, expires 2028-03-16 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
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, dissolved [DO] | MO MIN | >= 4 mg/L | all year |
| 001 | Oxygen demand, chem. [high level] [COD] | DAILY MX | report only | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | DAILY MX | <= 60 mg/L | all year |
| 001 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8 mg/L | all year |
| 001 | Aluminum, total [as Al] | DAILY AV | <= .84 mg/L | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | <= 1.77 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 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 20 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