NPDES permit TX0034738 · Major NON-POTW · administratively continued, expires 2025-02-03 · 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.
This permit expired on 2025-02-03 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31. Most often over: Chlorine, total residual (1).
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 | Temperature, water deg. fahrenheit | DAILY MX | <= 105 deg F | all year |
| 001 | pH | MINIMUM | >= 5 SU | all year |
| 001 | pH | MAXIMUM | <= 11 SU | all year |
| 001 | Solids, total suspended | DAILY AV | <= 45.4 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 95.5 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 424 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 965 lb/d | all year |
| 001 | Carbon, tot organic [TOC] | DAILY AV | <= 55.6 lb/d | all year |
| 001 | Carbon, tot organic [TOC] | DAILY MX | <= 111 lb/d | all year |
| 001 | Arsenic, total [as As] | DAILY AV | <= 1.44 lb/d | all year |
| 001 | Arsenic, total [as As] | DAILY MX | <= 3.23 lb/d | all year |
| 001 | Chromium, total [as Cr] | DAILY AV | <= .349 lb/d | all year |
| 001 | Chromium, total [as Cr] | DAILY MX | <= .862 lb/d | all year |
| 001 | Cobalt, total [as Co] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 001 | Iron, total [as Fe] | DAILY AV | <= 4.33 lb/d | all year |
| 001 | Iron, total [as Fe] | DAILY MX | <= 8.63 lb/d | all year |
| 001 | Lead, total [as Pb] | DAILY AV | <= .303 lb/d | all year |
| 001 | Lead, total [as Pb] | DAILY MX | <= .652 lb/d | all year |
| 001 | Molybdenum, total [as Mo] | DAILY AV | <= 81.1 lb/d | all year |
| 001 | Molybdenum, total [as Mo] | DAILY MX | <= 181.3 lb/d | all year |
| 001 | Nickel, total [as Ni] | DAILY AV | <= .862 lb/d | all year |
| 001 | Nickel, total [as Ni] | DAILY MX | <= 1.28 lb/d | all year |
| 001 | Vanadium, total [as V] | DAILY MX | <= 230 mg/L | all year |
| 001 | Antimony, total [as Sb] | DAILY MX | report only | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | report only | all year |
| 001 | Selenium, total [as Se] | DAILY MX | report only | all year |
| 001 | Benzene | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | <= .35 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= .5 MGD | all year |
| 001 | Chlorine, total residual | MO MIN | >= 1 mg/L | all year |
| 001 | Chlorine, total residual | MO MAX | <= 4 mg/L | all year |
| 001 | Enterococci | DAILY MX | <= 89 CFU/100mL | all year |
| 001 | Mercury, total [as Hg] | DAILY MX | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 58 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 117 lb/d | all year |
| 001 | pH range excursions, > 60 minutes | MO TOTAL | <= 0 occur/mo | all year |
| 001 | pH range excursions, monthly total accum | MO TOTAL | <= 446 min | 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 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15 mg/L | all year |
| 002 | Carbon, tot organic [TOC] | DAILY MX | <= 75 mg/L | all year |
| 002 | Arsenic, total [as As] | DAILY MX | report only | all year |
| 002 | Chromium, total [as Cr] | DAILY MX | report only | all year |
| 002 | Cobalt, total [as Co] | DAILY MX | report only | all year |
| 002 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 002 | Iron, total [as Fe] | DAILY MX | report only | all year |
| 002 | Lead, total [as Pb] | DAILY MX | report only | all year |
| 002 | Molybdenum, total [as Mo] | DAILY MX | <= 30 mg/L | all year |
| 002 | Nickel, total [as Ni] | DAILY MX | report only | all year |
| 002 | Vanadium, total [as V] | DAILY MX | <= 30 mg/L | all year |
| 002 | Antimony, total [as Sb] | DAILY MX | report only | all year |
| 002 | Aluminum, total [as Al] | DAILY MX | report only | all year |
| 002 | Selenium, total [as Se] | DAILY MX | report only | all year |
| 002 | Benzene | DAILY MX | report only | 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 | Mercury, total [as Hg] | 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