NPDES permit TX0072168 · Minor NON-POTW · effective, expires 2027-08-15 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast 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 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY AV | <= 7 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 18.1 lb/d | all year |
| 001 | Oxygen demand, chem. [high level] [COD] | DAILY AV | <= 69 lb/d | all year |
| 001 | Oxygen demand, chem. [high level] [COD] | DAILY MX | <= 124 lb/d | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | DAILY AV | <= 11.6 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 38 lb/d | all year |
| 001 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 4 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8 mg/L | all year |
| 001 | Zinc, total [as Zn] | DAILY AV | report only | all year |
| 001 | Zinc, total [as Zn] | DAILY MX | report only | all year |
| 001 | Selenium, total [as Se] | DAILY AV | <= .012 lb/d | all year |
| 001 | Selenium, total [as Se] | DAILY MX | <= .014 lb/d | all year |
| 001 | Carbon tetrachloride | DAILY AV | <= .003 lb/d | all year |
| 001 | Carbon tetrachloride | DAILY MX | <= .007 lb/d | all year |
| 001 | 1,2-Dichloroethane | DAILY AV | <= .012 lb/d | all year |
| 001 | 1,2-Dichloroethane | DAILY MX | <= .037 lb/d | all year |
| 001 | Chloroform | DAILY AV | <= .004 lb/d | all year |
| 001 | Chloroform | DAILY MX | <= .008 lb/d | all year |
| 001 | Toluene | DAILY AV | <= .005 lb/d | all year |
| 001 | Toluene | DAILY MX | <= .014 lb/d | all year |
| 001 | Benzene | DAILY AV | <= .007 lb/d | all year |
| 001 | Benzene | DAILY MX | <= .024 lb/d | all year |
| 001 | Acenaphthylene | DAILY AV | <= .004 lb/d | all year |
| 001 | Acenaphthylene | DAILY MX | <= .01 lb/d | all year |
| 001 | Acenaphthene | DAILY AV | <= .004 lb/d | all year |
| 001 | Acenaphthene | DAILY MX | <= .01 lb/d | all year |
| 001 | Acrylonitrile | DAILY AV | <= .017 lb/d | all year |
| 001 | Acrylonitrile | DAILY MX | <= .043 lb/d | all year |
| 001 | Anthracene | DAILY AV | <= .004 lb/d | all year |
| 001 | Anthracene | DAILY MX | <= .01 lb/d | all year |
| 001 | Benzo[k]fluoranthene | DAILY AV | <= .004 lb/d | all year |
| 001 | Benzo[k]fluoranthene | DAILY MX | <= .01 lb/d | all year |
| 001 | Benzo[a]pyrene | DAILY AV | <= .004 lb/d | all year |
| 001 | Benzo[a]pyrene | DAILY MX | <= .011 lb/d | all year |
| 001 | Chlorobenzene | DAILY AV | <= .003 lb/d | all year |
| 001 | Chlorobenzene | DAILY MX | <= .005 lb/d | all year |
| 001 | Chrysene | DAILY AV | <= .004 lb/d | all year |
| 001 | Chrysene | DAILY MX | <= .01 lb/d | all year |
| 001 | Diethyl phthalate | DAILY AV | <= .014 lb/d | all year |
| 001 | Diethyl phthalate | DAILY MX | <= .036 lb/d | all year |
| 001 | Dimethyl phthalate | DAILY AV | <= .003 lb/d | all year |
| 001 | Dimethyl phthalate | DAILY MX | <= .008 lb/d | all year |
| 001 | Ethylbenzene | DAILY AV | <= .006 lb/d | all year |
| 001 | Ethylbenzene | DAILY MX | <= .019 lb/d | all year |
| 001 | Fluoranthene | DAILY AV | <= .004 lb/d | all year |
| 001 | Fluoranthene | DAILY MX | <= .012 lb/d | all year |
| 001 | Fluorene | DAILY AV | <= .004 lb/d | all year |
| 001 | Fluorene | DAILY MX | <= .01 lb/d | all year |
| 001 | Hexachlorobutadiene | DAILY AV | <= .004 lb/d | all year |
| 001 | Hexachlorobutadiene | DAILY MX | <= .009 lb/d | all year |
| 001 | Hexachloroethane | DAILY AV | <= .004 lb/d | all year |
| 001 | Hexachloroethane | DAILY MX | <= .01 lb/d | all year |
| 001 | Methyl chloride [Chloromethane] | DAILY AV | <= .015 lb/d | all year |
| 001 | Methyl chloride [Chloromethane] | DAILY MX | <= .034 lb/d | all year |
| 001 | Methylene chloride | DAILY AV | <= .007 lb/d | all year |
| 001 | Methylene chloride | DAILY MX | <= .016 lb/d | all year |
| 001 | Nitrobenzene | DAILY AV | <= .005 lb/d | all year |
| 001 | Nitrobenzene | DAILY MX | <= .012 lb/d | all year |
| 001 | Phenanthrene | DAILY AV | <= .004 lb/d | all year |
| 001 | Phenanthrene | DAILY MX | <= .01 lb/d | all year |
| 001 | Pyrene | DAILY AV | <= .004 lb/d | all year |
| 001 | Pyrene | DAILY MX | <= .012 lb/d | all year |
| 001 | Tetrachloroethylene | DAILY AV | <= .004 lb/d | all year |
| 001 | Tetrachloroethylene | DAILY MX | <= .01 lb/d | all year |
| 001 | 1,1-Dichloroethane | DAILY AV | <= .004 lb/d | all year |
| 001 | 1,1-Dichloroethane | DAILY MX | <= .01 lb/d | all year |
| 001 | 1,1-Dichloroethylene | DAILY AV | <= .003 lb/d | all year |
| 001 | 1,1-Dichloroethylene | DAILY MX | <= .004 lb/d | all year |
| 001 | 1,1,1-Trichloroethane | DAILY AV | <= .004 lb/d | all year |
| 001 | 1,1,1-Trichloroethane | DAILY MX | <= .01 lb/d | all year |
| 001 | 1,1,2-Trichloroethane | DAILY AV | <= .004 lb/d | all year |
| 001 | 1,1,2-Trichloroethane | DAILY MX | <= .01 lb/d | all year |
| 001 | Benzo[a]anthracene | DAILY AV | <= .004 lb/d | all year |
| 001 | Benzo[a]anthracene | DAILY MX | <= .01 lb/d | all year |
| 001 | 1,2-Dichloroethane, total weight | DAILY AV | <= .012 lb/d | all year |
| 001 | 1,2-Dichloroethane, total weight | DAILY MX | <= .037 lb/d | all year |
| 001 | 1,2-Dichlorobenzene | DAILY AV | <= .014 lb/d | all year |
| 001 | 1,2-Dichlorobenzene | DAILY MX | <= .029 lb/d | all year |
| 001 | 1,2-Dichloropropane | DAILY AV | <= .027 lb/d | all year |
| 001 | 1,2-Dichloropropane | DAILY MX | <= .041 lb/d | all year |
| 001 | trans-1,2-Dichloroethylene | DAILY AV | <= .004 lb/d | all year |
| 001 | trans-1,2-Dichloroethylene | DAILY MX | <= .01 lb/d | all year |
| 001 | 1,2,4-Trichlorobenzene | DAILY AV | <= .012 lb/d | all year |
| 001 | 1,2,4-Trichlorobenzene | DAILY MX | <= .025 lb/d | all year |
| 001 | 1,3-Dichlorobenzene | DAILY AV | <= .006 lb/d | all year |
| 001 | 1,3-Dichlorobenzene | DAILY MX | <= .008 lb/d | all year |
| 001 | 1,4-Dichlorobenzene | DAILY AV | <= .003 lb/d | all year |
| 001 | 1,4-Dichlorobenzene | DAILY MX | <= .005 lb/d | all year |
| 001 | 2-Chlorophenol | DAILY AV | <= .006 lb/d | all year |
| 001 | 2-Chlorophenol | DAILY MX | <= .017 lb/d | all year |
| 001 | 2-Nitrophenol | DAILY AV | <= .007 lb/d | all year |
| 001 | 2-Nitrophenol | DAILY MX | <= .012 lb/d | all year |
| 001 | 2,4-Dichlorophenol | DAILY AV | <= .007 lb/d | all year |
| 001 | 2,4-Dichlorophenol | DAILY MX | <= .02 lb/d | all year |
| 001 | 2,4-Dimethylphenol | DAILY AV | <= .003 lb/d | all year |
| 001 | 2,4-Dimethylphenol | DAILY MX | <= .006 lb/d | all year |
| 001 | 2,4-Dinitrotoluene | DAILY AV | <= .02 lb/d | all year |
| 001 | 2,4-Dinitrotoluene | DAILY MX | <= .051 lb/d | all year |
| 001 | 2,4-Dinitrophenol | DAILY AV | <= .013 lb/d | all year |
| 001 | 2,4-Dinitrophenol | DAILY MX | <= .022 lb/d | all year |
| 001 | 2,6-Dinitrotoluene | DAILY AV | <= .045 lb/d | all year |
| 001 | 2,6-Dinitrotoluene | DAILY MX | <= .114 lb/d | all year |
| 001 | 4-Nitrophenol | DAILY AV | <= .013 lb/d | all year |
| 001 | 4-Nitrophenol | DAILY MX | <= .022 lb/d | all year |
| 001 | 4,6-Dinitro-o-cresol | DAILY AV | <= .014 lb/d | all year |
| 001 | 4,6-Dinitro-o-cresol | DAILY MX | <= .049 lb/d | all year |
| 001 | Phenol | DAILY AV | <= .003 lb/d | all year |
| 001 | Phenol | DAILY MX | <= .005 lb/d | all year |
| 001 | Naphthalene | DAILY AV | <= .004 lb/d | all year |
| 001 | Naphthalene | DAILY MX | <= .01 lb/d | all year |
| 001 | Di[2-ethylhexyl] phthalate [DEHP] | DAILY AV | <= .018 lb/d | all year |
| 001 | Di[2-ethylhexyl] phthalate [DEHP] | DAILY MX | <= .05 lb/d | all year |
| 001 | Di-n-butyl phthalate | DAILY AV | <= .005 lb/d | all year |
| 001 | Di-n-butyl phthalate | DAILY MX | <= .01 lb/d | all year |
| 001 | Vinyl chloride | DAILY AV | <= .018 lb/d | all year |
| 001 | Vinyl chloride | DAILY MX | <= .048 lb/d | all year |
| 001 | Trichloroethylene | DAILY AV | <= .004 lb/d | all year |
| 001 | Trichloroethylene | DAILY MX | <= .01 lb/d | all year |
| 001 | Hexachlorobenzene | DAILY AV | <= .003 lb/d | all year |
| 001 | Hexachlorobenzene | DAILY MX | <= .005 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | <= .033 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= .066 MGD | all year |
| 001 | 1,3-Dichloropropylene | DAILY AV | <= .005 lb/d | all year |
| 001 | 1,3-Dichloropropylene | DAILY MX | <= .008 lb/d | all year |
| 001 | Flow [dry weather] | DAILY MX | <= .066 MGD | all year |
| 001 | Solids, total dissolved | DAILY AV | <= 4500 mg/L | all year |
| 001 | Solids, total dissolved | DAILY MX | <= 9000 mg/L | all year |
| 001 | 3,4-Benzofluoranthene | DAILY AV | <= .004 lb/d | all year |
| 001 | 3,4-Benzofluoranthene | DAILY MX | <= .011 lb/d | all year |
| 001 | Chloroethane | DAILY AV | <= .018 lb/d | all year |
| 001 | Chloroethane | DAILY MX | <= .048 lb/d | 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 |
| TX1 | Whole effluent toxicity - retest #1 | 48HR MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | MO AV MN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 48HR MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | MO AV MN | report only | all year |
| TX1 | Whole Effluent Toxicity [WET] - D. magna | 48HR MIN | >= 100 % | all year |
| TX1 | Whole Effluent Toxicity [WET] - D. magna | MO AV MN | >= 100 % | all year |
| TX1 | LF Pass/Fail Static Renewal 48Hr Acute Daphnia magna | 48HR MIN | report only | all year |
| TX1 | LF Pass/Fail Static Renewal 48Hr Acute Daphnia magna | MO AV MN | report only | all year |
| TX1 | LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48HR MIN | report only | all year |
| TX1 | LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | MO AV MN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 48HR Acute Daphnia magna | 48HR MIN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 48HR Acute Daphnia magna | MO AV MN | report only | all year |
| TX1 | NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48HR MIN | report only | all year |
| TX1 | NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | MO AV MN | report only | all year |
| TX1 | LOAEC Lethal Survival Static Renewal 48HR Acute Daphnia magna | 48HR MIN | report only | all year |
| TX1 | LOAEC Lethal Survival Static Renewal 48HR Acute Daphnia magna | MO AV MN | report only | all year |
| TX1 | LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 48HR MIN | report only | all year |
| TX1 | LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | MO AV MN | report only | all year |
| TXA | Whole effluent toxicity - retest #1 | SINGSAMP | report only | all year |
| TXA | Whole effluent toxicity - retest #2 | SINGSAMP | report only | all year |
| TXA | Daphnia magna survival 24 Hr Acute WET | SINGSAMP | report only | all year |
| TXA | LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | SINGSAMP | 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