NPDES permit AR0001970 · Major NON-POTW · effective, expires 2029-04-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-08-31. Most often over: BOD, 5-day, 20 deg. C (2).
Reports are due about 26 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 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 21025 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 40310 lb/d | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 38425 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 71485 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Halogens, adsorbable organic | MO AVG | report only | all year |
| 001 | Halogens, adsorbable organic | DAILY MX | report only | all year |
| 001 | Halogens, adsorbable organic | MO AVG | <= 1987 lb/d | all year |
| 001 | Halogens, adsorbable organic | DAILY MX | <= 3033.1 lb/d | all year |
| 001 | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | MO AVG | report only | all year |
| 001 | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 002 | Temperature, water deg. fahrenheit | INST MAX | <= 89.6 deg F | all year |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | MO AVG | <= 20 mg/L | all year |
| 002 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| 002 | Oil & Grease | MO AVG | <= 10 mg/L | all year |
| 002 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 01A | Chloroform | MO AVG | <= 8.1 lb/d | all year |
| 01A | Chloroform | DAILY MX | <= 13.5 lb/d | all year |
| 01A | 2,4,6-Trichlorophenol | DAILY MX | < 2.5 ug/L | all year |
| 01A | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY MX | < 10 pg/L | all year |
| 01A | 2,3,7,8-Tetrachlorodibenzofuran | DAILY MX | <= 31.9 pg/L | all year |
| 01A | Pentachlorophenol | DAILY MX | < 5 ug/L | all year |
| 01A | 3,4,6-Trichloroguaiacol | DAILY MX | < 2.5 ug/L | all year |
| 01A | 3,4,6-Trichlorocatechol | DAILY MX | < 5 ug/L | all year |
| 01A | 2,4,5-Trichlorophenol | DAILY MX | < 2.5 ug/L | all year |
| 01A | 3,4,5-Trichloroguaiacol | DAILY MX | < 2.5 ug/L | all year |
| 01A | 3,4,5-Trichlorocatechol | DAILY MX | < 5 ug/L | all year |
| 01A | Tetrachloroguaiacol | DAILY MX | < 5 ug/L | all year |
| 01A | Tetrachlorocatechol | DAILY MX | < 5 ug/L | all year |
| 01A | Trichlorosyringol | DAILY MX | < 2.5 ug/L | all year |
| 01A | 4,5,6-Trichloroguaiacol | DAILY MX | < 2.5 ug/L | all year |
| 01A | 2,3,4,6-Tetrachlorophenol | DAILY MX | < 2.5 ug/L | all year |
| 01B | Chloroform | MO AVG | <= 5.1 lb/d | all year |
| 01B | Chloroform | DAILY MX | <= 8.6 lb/d | all year |
| 01B | 2,4,6-Trichlorophenol | DAILY MX | < 2.5 ug/L | all year |
| 01B | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY MX | < 10 pg/L | all year |
| 01B | 2,3,7,8-Tetrachlorodibenzofuran | DAILY MX | < 31.9 pg/L | all year |
| 01B | Pentachlorophenol | DAILY MX | < 5 ug/L | all year |
| 01B | 3,4,6-Trichloroguaiacol | DAILY MX | < 2.5 ug/L | all year |
| 01B | 3,4,6-Trichlorocatechol | DAILY MX | < 5 ug/L | all year |
| 01B | 2,4,5-Trichlorophenol | DAILY MX | < 2.5 ug/L | all year |
| 01B | 3,4,5-Trichloroguaiacol | DAILY MX | < 2.5 ug/L | all year |
| 01B | 3,4,5-Trichlorocatechol | DAILY MX | < 5 ug/L | all year |
| 01B | Tetrachloroguaiacol | DAILY MX | < 5 ug/L | all year |
| 01B | Tetrachlorocatechol | DAILY MX | < 5 ug/L | all year |
| 01B | Trichlorosyringol | DAILY MX | < 2.5 ug/L | all year |
| 01B | 4,5,6-Trichloroguaiacol | DAILY MX | < 2.5 ug/L | all year |
| 01B | 2,3,4,6-Tetrachlorophenol | DAILY MX | < 2.5 ug/L | all year |
| TX1 | Whole effluent toxicity - retest #1 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 7 DA MIN | report only | all year |
| TX1 | WET, sublethal retest #1 | 7 DA MIN | report only | all year |
| TX1 | WET, sublethal retest #2 | 7 DA MIN | report only | all year |
| TX1 | Whole Effluent Toxicity - Retest #3 | 7 DA MIN | report only | all year |
| TX1 | Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7 DA MIN | report only | all year |
| TX1 | Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7 DA MIN | 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 Pimephales promelas | 7 DA MIN | 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 Pimephales promelas | 7 DA MIN | 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 Pimephales promelas | 7 DA MIN | report only | all year |
| TX1 | Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7 DA MIN | 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