NPDES permit TX0004961 · Major NON-POTW · administratively continued, expires 2025-01-27 · EPA's file as of 2026-09-19
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This permit expired on 2025-01-27 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: Oil & Grease (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 | <= 115 deg F | all year |
| 001 | pH | MINIMUM | >= 5 SU | all year |
| 001 | pH | MAXIMUM | <= 11 SU | all year |
| 001 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 001 | Carbon, tot organic [TOC] | DAILY MX | <= 75 mg/L | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | <= 1 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= 3.7 MGD | 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 | Temperature, water deg. fahrenheit | DAILY MX | <= 105 deg F | all year |
| 002 | BOD, 5-day, 20 deg. C | DAILY AV | <= 574 lb/d | all year |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | <= 1412 lb/d | all year |
| 002 | pH | MINIMUM | >= 5 SU | all year |
| 002 | pH | MAXIMUM | <= 11 SU | all year |
| 002 | Solids, total suspended | DAILY AV | <= 1401 lb/d | all year |
| 002 | Solids, total suspended | DAILY MX | <= 3972 lb/d | all year |
| 002 | Oil & Grease | DAILY AV | <= 459 lb/d | all year |
| 002 | Oil & Grease | DAILY MX | <= 688 lb/d | all year |
| 002 | Carbon, tot organic [TOC] | DAILY AV | <= 3442 lb/d | all year |
| 002 | Carbon, tot organic [TOC] | DAILY MX | <= 6885 lb/d | all year |
| 002 | Cyanide, free [amenable to chlorination] | DAILY AV | <= .378 lb/d | all year |
| 002 | Cyanide, free [amenable to chlorination] | DAILY MX | <= .8 lb/d | all year |
| 002 | Chromium, total [as Cr] | DAILY AV | <= 13.7 lb/d | all year |
| 002 | Chromium, total [as Cr] | DAILY MX | <= 29.1 lb/d | all year |
| 002 | Copper, total [as Cu] | DAILY AV | <= 1.85 lb/d | all year |
| 002 | Copper, total [as Cu] | DAILY MX | <= 3.92 lb/d | all year |
| 002 | Silver, total [as Ag] | DAILY AV | <= .6 lb/d | all year |
| 002 | Silver, total [as Ag] | DAILY MX | <= 1.24 lb/d | all year |
| 002 | Carbon tetrachloride | DAILY AV | <= .311 lb/d | all year |
| 002 | Carbon tetrachloride | DAILY MX | <= .656 lb/d | all year |
| 002 | 1,2-Dichloroethane | DAILY AV | <= 1.17 lb/d | all year |
| 002 | 1,2-Dichloroethane | DAILY MX | <= 3.64 lb/d | all year |
| 002 | Chloroform | DAILY AV | <= .964 lb/d | all year |
| 002 | Chloroform | DAILY MX | <= 2.11 lb/d | all year |
| 002 | Toluene | DAILY AV | <= .449 lb/d | all year |
| 002 | Toluene | DAILY MX | <= 1.38 lb/d | all year |
| 002 | Benzene | DAILY AV | <= .639 lb/d | all year |
| 002 | Benzene | DAILY MX | <= 2.34 lb/d | all year |
| 002 | Acenaphthylene | DAILY AV | <= .38 lb/d | all year |
| 002 | Acenaphthylene | DAILY MX | <= 1.01 lb/d | all year |
| 002 | Acenaphthene | DAILY AV | <= .38 lb/d | all year |
| 002 | Acenaphthene | DAILY MX | <= 1.01 lb/d | all year |
| 002 | Acrylonitrile | DAILY AV | <= 1.65 lb/d | all year |
| 002 | Acrylonitrile | DAILY MX | <= 4.17 lb/d | all year |
| 002 | Anthracene | DAILY AV | <= .38 lb/d | all year |
| 002 | Anthracene | DAILY MX | <= 1.01 lb/d | all year |
| 002 | Benzo[b]fluoranthene | DAILY AV | <= .397 lb/d | all year |
| 002 | Benzo[b]fluoranthene | DAILY MX | <= 1.05 lb/d | all year |
| 002 | Benzo[k]fluoranthene | DAILY AV | <= .38 lb/d | all year |
| 002 | Benzo[k]fluoranthene | DAILY MX | <= 1.01 lb/d | all year |
| 002 | Benzo[a]pyrene | DAILY AV | <= .0013 lb/d | all year |
| 002 | Benzo[a]pyrene | DAILY MX | <= .0027 lb/d | all year |
| 002 | Chlorobenzene | DAILY AV | <= .259 lb/d | all year |
| 002 | Chlorobenzene | DAILY MX | <= .483 lb/d | all year |
| 002 | Chrysene | DAILY AV | <= .38 lb/d | all year |
| 002 | Chrysene | DAILY MX | <= 1.01 lb/d | all year |
| 002 | Diethyl phthalate | DAILY AV | <= 1.39 lb/d | all year |
| 002 | Diethyl phthalate | DAILY MX | <= 3.5 lb/d | all year |
| 002 | Dimethyl phthalate | DAILY AV | <= .328 lb/d | all year |
| 002 | Dimethyl phthalate | DAILY MX | <= .811 lb/d | all year |
| 002 | Ethylbenzene | DAILY AV | <= .552 lb/d | all year |
| 002 | Ethylbenzene | DAILY MX | <= 1.86 lb/d | all year |
| 002 | Fluoranthene | DAILY AV | <= .432 lb/d | all year |
| 002 | Fluoranthene | DAILY MX | <= 1.17 lb/d | all year |
| 002 | Fluorene | DAILY AV | <= .38 lb/d | all year |
| 002 | Fluorene | DAILY MX | <= 1.01 lb/d | all year |
| 002 | Hexachlorobutadiene | DAILY AV | <= .11 lb/d | all year |
| 002 | Hexachlorobutadiene | DAILY MX | <= .24 lb/d | all year |
| 002 | Hexachloroethane | DAILY AV | <= .363 lb/d | all year |
| 002 | Hexachloroethane | DAILY MX | <= .932 lb/d | all year |
| 002 | Methyl chloride [Chloromethane] | DAILY AV | <= 1.48 lb/d | all year |
| 002 | Methyl chloride [Chloromethane] | DAILY MX | <= 3.28 lb/d | all year |
| 002 | Methylene chloride | DAILY AV | <= .691 lb/d | all year |
| 002 | Methylene chloride | DAILY MX | <= 1.53 lb/d | all year |
| 002 | Nitrobenzene | DAILY AV | <= .466 lb/d | all year |
| 002 | Nitrobenzene | DAILY MX | <= 1.17 lb/d | all year |
| 002 | Phenanthrene | DAILY AV | <= .38 lb/d | all year |
| 002 | Phenanthrene | DAILY MX | <= 1.01 lb/d | all year |
| 002 | Pyrene | DAILY AV | <= .432 lb/d | all year |
| 002 | Pyrene | DAILY MX | <= 1.15 lb/d | all year |
| 002 | Tetrachloroethylene | DAILY AV | <= .38 lb/d | all year |
| 002 | Tetrachloroethylene | DAILY MX | <= .96 lb/d | all year |
| 002 | 1,1-Dichloroethane | DAILY AV | <= .38 lb/d | all year |
| 002 | 1,1-Dichloroethane | DAILY MX | <= 1.01 lb/d | all year |
| 002 | 1,1-Dichloroethylene | DAILY AV | <= .276 lb/d | all year |
| 002 | 1,1-Dichloroethylene | DAILY MX | <= .432 lb/d | all year |
| 002 | 1,1,1-Trichloroethane | DAILY AV | <= .363 lb/d | all year |
| 002 | 1,1,1-Trichloroethane | DAILY MX | <= .932 lb/d | all year |
| 002 | 1,1,2-Trichloroethane | DAILY AV | <= .363 lb/d | all year |
| 002 | 1,1,2-Trichloroethane | DAILY MX | <= .932 lb/d | all year |
| 002 | Benzo[a]anthracene | DAILY AV | <= .013 lb/d | all year |
| 002 | Benzo[a]anthracene | DAILY MX | <= .027 lb/d | all year |
| 002 | 1,2-Dichlorobenzene | DAILY AV | <= 1.32 lb/d | all year |
| 002 | 1,2-Dichlorobenzene | DAILY MX | <= 2.81 lb/d | all year |
| 002 | 1,2-Dichloropropane | DAILY AV | <= 2.64 lb/d | all year |
| 002 | 1,2-Dichloropropane | DAILY MX | <= 3.97 lb/d | all year |
| 002 | trans-1,2-Dichloroethylene | DAILY AV | <= .363 lb/d | all year |
| 002 | trans-1,2-Dichloroethylene | DAILY MX | <= .932 lb/d | all year |
| 002 | 1,2,4-Trichlorobenzene | DAILY AV | <= 1.17 lb/d | all year |
| 002 | 1,2,4-Trichlorobenzene | DAILY MX | <= 2.41 lb/d | all year |
| 002 | 1,3-Dichlorobenzene | DAILY AV | <= .535 lb/d | all year |
| 002 | 1,3-Dichlorobenzene | DAILY MX | <= .76 lb/d | all year |
| 002 | 1,4-Dichlorobenzene | DAILY AV | <= .259 lb/d | all year |
| 002 | 1,4-Dichlorobenzene | DAILY MX | <= .483 lb/d | all year |
| 002 | 2-Chlorophenol | DAILY AV | <= .535 lb/d | all year |
| 002 | 2-Chlorophenol | DAILY MX | <= 1.69 lb/d | all year |
| 002 | 2-Nitrophenol | DAILY AV | <= .708 lb/d | all year |
| 002 | 2-Nitrophenol | DAILY MX | <= 1.19 lb/d | all year |
| 002 | 2,4-Dichlorophenol | DAILY AV | <= .673 lb/d | all year |
| 002 | 2,4-Dichlorophenol | DAILY MX | <= 1.93 lb/d | all year |
| 002 | 2,4-Dimethylphenol | DAILY AV | <= .311 lb/d | all year |
| 002 | 2,4-Dimethylphenol | DAILY MX | <= .622 lb/d | all year |
| 002 | 2,4-Dinitrotoluene | DAILY AV | <= 1.95 lb/d | all year |
| 002 | 2,4-Dinitrotoluene | DAILY MX | <= 4.92 lb/d | all year |
| 002 | 2,4-Dinitrophenol | DAILY AV | <= 1.22 lb/d | all year |
| 002 | 2,4-Dinitrophenol | DAILY MX | <= 2.12 lb/d | all year |
| 002 | 2,6-Dinitrotoluene | DAILY AV | <= 4.4 lb/d | all year |
| 002 | 2,6-Dinitrotoluene | DAILY MX | <= 11 lb/d | all year |
| 002 | 4-Nitrophenol | DAILY AV | <= 1.24 lb/d | all year |
| 002 | 4-Nitrophenol | DAILY MX | <= 2.14 lb/d | all year |
| 002 | 4,6-Dinitro-o-cresol | DAILY AV | <= 1.34 lb/d | all year |
| 002 | 4,6-Dinitro-o-cresol | DAILY MX | <= 4.78 lb/d | all year |
| 002 | Phenol | DAILY AV | <= .259 lb/d | all year |
| 002 | Phenol | DAILY MX | <= .449 lb/d | all year |
| 002 | Naphthalene | DAILY AV | <= .38 lb/d | all year |
| 002 | Naphthalene | DAILY MX | <= 1.01 lb/d | all year |
| 002 | Di[2-ethylhexyl] phthalate [DEHP] | DAILY AV | <= 1.77 lb/d | all year |
| 002 | Di[2-ethylhexyl] phthalate [DEHP] | DAILY MX | <= 4.81 lb/d | all year |
| 002 | Di-n-butyl phthalate | DAILY AV | <= .466 lb/d | all year |
| 002 | Di-n-butyl phthalate | DAILY MX | <= .984 lb/d | all year |
| 002 | Vinyl chloride | DAILY AV | <= 1.79 lb/d | all year |
| 002 | Vinyl chloride | DAILY MX | <= 4.62 lb/d | all year |
| 002 | Trichloroethylene | DAILY AV | <= .363 lb/d | all year |
| 002 | Trichloroethylene | DAILY MX | <= .932 lb/d | all year |
| 002 | Hexachlorobenzene | DAILY AV | <= .00035 lb/d | all year |
| 002 | Hexachlorobenzene | DAILY MX | <= .00074 lb/d | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY AV | <= 5.5 MGD | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | <= 7.5 MGD | all year |
| 002 | 1,3-Dichloropropylene | DAILY AV | <= .501 lb/d | all year |
| 002 | 1,3-Dichloropropylene | DAILY MX | <= .76 lb/d | all year |
| 002 | pH range excursions, > 60 minutes | MO TOTAL | <= 0 occur/mo | all year |
| 002 | pH range excursions, monthly total accum | MO TOTAL | <= 446 min | all year |
| 002 | Chloroethane | DAILY AV | <= 1.79 lb/d | all year |
| 002 | Chloroethane | DAILY MX | <= 4.62 lb/d | 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 | Carbon, tot organic [TOC] | DAILY MX | <= 75 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 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 004 | Carbon, tot organic [TOC] | DAILY MX | <= 75 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 | <= 15 mg/L | all year |
| 005 | Carbon, tot organic [TOC] | DAILY MX | <= 75 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 |
| 006 | pH | MINIMUM | >= 6 SU | all year |
| 006 | pH | MAXIMUM | <= 9 SU | all year |
| 006 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 006 | Carbon, tot organic [TOC] | DAILY MX | <= 75 mg/L | all year |
| 006 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 006 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 007 | pH | MINIMUM | >= 6 SU | all year |
| 007 | pH | MAXIMUM | <= 9 SU | all year |
| 007 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 007 | Carbon, tot organic [TOC] | DAILY MX | <= 75 mg/L | all year |
| 007 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 007 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 008 | pH | MINIMUM | >= 6 SU | all year |
| 008 | pH | MAXIMUM | <= 9 SU | all year |
| 008 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 008 | Carbon, tot organic [TOC] | DAILY MX | <= 75 mg/L | all year |
| 008 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 008 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| TX2 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX2 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | AVERAGE | report only | all year |
| TX2 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX2 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX2 | NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX2 | NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | AVERAGE | report only | all year |
| TX2 | NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX2 | NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX2 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX2 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | AVERAGE | report only | all year |
| TX2 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX2 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX2 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX2 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TX2 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX2 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX2 | LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX2 | LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | MO AV MN | report only | all year |
| TX2 | LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX2 | LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TX2 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 7 DA MIN | report only | all year |
| TX2 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | MO AV MN | report only | all year |
| TX2 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | 7 DA MIN | report only | all year |
| TX2 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia | MO AV MN | report only | all year |
| TXB | LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | SINGSAMP | report only | all year |
| TXB | LC50 Pass/Fail Static 24Hr Acute Menidia menidia | SINGSAMP | report only | all year |
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