NPDES permit TX0000167 · Major NON-POTW · effective, expires 2026-10-12 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31.
Reports are due about 20 days after each monitoring period ends (the most common figure among TX permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Flow rate | DAILY AV | <= 25 % | Nov |
| 001 | Flow rate | DAILY AV | <= 7.5 % | Mar |
| 001 | Flow rate | DAILY AV | <= 50 % | Jan, Feb, Dec |
| 001 | Flow rate | DAILY AV | <= 10 % | Oct |
| 001 | Flow rate | DAILY AV | <= 3 % | Apr |
| 001 | Flow rate | DAILY AV | <= 0 % | May, Jun, Jul, Aug, Sep |
| 001 | Flow rate | DAILY AV | <= 100 % | Jan |
| 001 | Flow rate | DAILY AV | <= 65 % | Feb |
| 001 | Flow rate | DAILY AV | <= 9 % | Mar |
| 001 | Flow rate | DAILY AV | <= 4 % | Apr |
| 001 | Flow rate | DAILY AV | <= 3 % | Jun, Sep |
| 001 | Flow rate | DAILY AV | <= 14 % | Oct |
| 001 | Flow rate | DAILY AV | <= 35 % | Nov |
| 001 | Flow rate | DAILY AV | <= 75 % | Dec |
| 001 | Flow rate | DAILY AV | report only | May, Jul, Aug |
| 001 | Flow rate | DAILY MX | report only | Nov |
| 001 | Flow rate | DAILY MX | report only | Mar |
| 001 | Flow rate | DAILY MX | report only | Jan, Feb, Dec |
| 001 | Flow rate | DAILY MX | report only | Oct |
| 001 | Flow rate | DAILY MX | report only | Apr |
| 001 | Flow rate | DAILY MX | report only | May, Jun, Jul, Aug, Sep |
| 001 | Flow rate | DAILY MX | report only | Jan |
| 001 | Flow rate | DAILY MX | report only | Feb |
| 001 | Flow rate | DAILY MX | report only | Mar |
| 001 | Flow rate | DAILY MX | report only | Apr |
| 001 | Flow rate | DAILY MX | report only | Jun, Sep |
| 001 | Flow rate | DAILY MX | report only | Oct |
| 001 | Flow rate | DAILY MX | report only | Nov |
| 001 | Flow rate | DAILY MX | report only | Dec |
| 001 | Flow rate | DAILY MX | report only | May, Jul, Aug |
| 001 | Flow rate | DAILY AV | report only | all year |
| 001 | Flow rate | DAILY AV | report only | all year |
| 001 | Flow rate | DAILY MX | report only | all year |
| 001 | Flow rate | DAILY MX | report only | all year |
| 001 | Oxygen, dissolved [DO] | MO MIN | >= 3 mg/L | all year |
| 001 | Oxygen, dissolved [DO] | MO MIN | >= 4 mg/L | Jun, Sep |
| 001 | Oxygen, dissolved [DO] | MO MIN | >= 3 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Oxygen, dissolved [DO] | DAILY MX | report only | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | DAILY AV | <= 60 mg/L | all year |
| 001 | Solids, total suspended | DAILY AV | <= 60 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 120 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 120 mg/L | all year |
| 001 | Solids, total suspended | ANNL AVG | <= 14842 lb/d | all year |
| 001 | Solids, total suspended | ANNL AVG | <= 14842 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 6 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 4.7 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 4 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 5.1 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY AV | <= 6 mg/L | Mar, Apr, Jun, Sep, Oct, Nov |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 12 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 9.4 mg/L | Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8 mg/L | Jan |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 10.2 mg/L | Feb |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 12 mg/L | Mar, Apr, Jun, Sep, Oct, Nov |
| 001 | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY AV | <= .67 ppq | all year |
| 001 | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY MX | <= 1.4 ppq | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | report only | May, Jun, Jul, Aug, Sep |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | report only | May, Jul, Aug |
| 001 | Flow, in conduit or thru treatment plant | DAILY AV | report only | Jan, Feb, Mar, Apr, Jun, Sep, Oct, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= 0 MGD | May, Jun, Jul, Aug, Sep |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= 646.3 MGD | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= 0 MGD | May, Jul, Aug |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= 646.3 MGD | Jan, Feb, Mar, Apr, Jun, Sep, Oct, Nov, Dec |
| 001 | Adsorbable organic halides [AOX] | DAILY AV | <= 2374 lb/d | all year |
| 001 | Adsorbable organic halides [AOX] | DAILY AV | <= 2374 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 30 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 20 mg/L | Jun, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 25 mg/L | Mar, Apr, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY AV | <= 30 mg/L | Jan, Feb, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 60 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 40 mg/L | Jun, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 50 mg/L | Mar, Apr, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 60 mg/L | Jan, Feb, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | ANNL AVG | <= 7510 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | ANNL AVG | <= 7510 lb/d | Jun, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | ANNL AVG | <= 7510 lb/d | Mar, Apr, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | ANNL AVG | <= 7510 lb/d | Jan, Feb, Dec |
| 01B | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY AV | <= .67 ppq | all year |
| 01B | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY MX | <= 1.4 ppq | all year |
| 101 | E. coli | DAILY AV | <= 126 CFU/100mL | all year |
| 101 | E. coli | DAILY MX | <= 394 CFU/100mL | all year |
| 102 | Chloroform | DAILY AV | <= 6.86 lb/d | all year |
| 102 | Chloroform | DAILY MX | <= 11.47 lb/d | all year |
| 102 | 2,4,6-Trichlorophenol | DAILY MX | <= .0025 mg/L | all year |
| 102 | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY MX | <= 10 mg/L | all year |
| 102 | 2,3,7,8-Tetrachlorodibenzofuran | DAILY MX | <= 31.9 mg/L | all year |
| 102 | Pentachlorophenol | DAILY MX | <= .005 mg/L | all year |
| 102 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 102 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 102 | 3,4,6-Trichloroguaiacol | DAILY MX | <= .0025 mg/L | all year |
| 102 | 3,4,6-Trichlorocatechol | DAILY MX | <= .005 mg/L | all year |
| 102 | 2,4,5-Trichlorophenol | DAILY MX | <= .0025 mg/L | all year |
| 102 | 3,4,5-Trichloroguaiacol | DAILY MX | <= .0025 mg/L | all year |
| 102 | 3,4,5-Trichlorocatechol | DAILY MX | <= .005 mg/L | all year |
| 102 | Tetrachloroguaiacol | DAILY MX | <= .005 mg/L | all year |
| 102 | Tetrachlorocatechol | DAILY MX | <= .005 mg/L | all year |
| 102 | Trichlorosyringol | DAILY MX | <= .0025 mg/L | all year |
| 102 | 4,5,6-Trichloroguaiacol | DAILY MX | <= .0025 mg/L | all year |
| 102 | 2,3,4,6-Tetrachlorophenol | DAILY MX | <= .0025 mg/L | all year |
| 103 | Chloroform | DAILY AV | <= 11.69 lb/d | all year |
| 103 | Chloroform | DAILY MX | <= 19.54 lb/d | all year |
| 103 | 2,4,6-Trichlorophenol | DAILY MX | <= .0025 mg/L | all year |
| 103 | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY MX | <= 10 mg/L | all year |
| 103 | 2,3,7,8-Tetrachlorodibenzofuran | DAILY MX | <= 31.9 mg/L | all year |
| 103 | Pentachlorophenol | DAILY MX | <= .005 mg/L | all year |
| 103 | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| 103 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 103 | 3,4,6-Trichloroguaiacol | DAILY MX | <= .0025 mg/L | all year |
| 103 | 3,4,6-Trichlorocatechol | DAILY MX | <= .005 mg/L | all year |
| 103 | 2,4,5-Trichlorophenol | DAILY MX | <= .0025 mg/L | all year |
| 103 | 3,4,5-Trichloroguaiacol | DAILY MX | <= .0025 mg/L | all year |
| 103 | 3,4,5-Trichlorocatechol | DAILY MX | <= .005 mg/L | all year |
| 103 | Tetrachloroguaiacol | DAILY MX | <= .005 mg/L | all year |
| 103 | Tetrachlorocatechol | DAILY MX | <= .005 mg/L | all year |
| 103 | Trichlorosyringol | DAILY MX | <= .0025 mg/L | all year |
| 103 | 4,5,6-Trichloroguaiacol | DAILY MX | <= .0025 mg/L | all year |
| 103 | 2,3,4,6-Tetrachlorophenol | DAILY MX | <= .0025 mg/L | all year |
| TX1 | Whole effluent toxicity - retest #1 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | MO AV MN | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | MO AV MN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | MO AV MN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | MO AV MN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | MO AV MN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | MO AV MN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | MO AV MN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7 DA MIN | report only | all year |
| TX1 | Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | MO AV MN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | MO AV MN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | MO AV MN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic 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 | LC50 Pass/Fail Static 24Hr Acute D. Pulex | 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