NPDES permit AR0001210 · Major NON-POTW · effective, expires 2030-06-30 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31.
Reports are due about 25 days after each monitoring period ends (the most common figure among AR permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 105 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 105 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 192 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 192 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 8669 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 8669 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 15853 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 15853 lb/d | 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 | MO AVG | <= 88.3 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 88.3 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 179 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 179 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 7291 lb/d | all year |
| 001 | Solids, total suspended | MO AVG | <= 7291 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 14779 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 14779 lb/d | all year |
| 001 | Nitrogen, nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, nitrate total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, nitrate total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, nitrate total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, nitrate total [as N] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 001 | Zinc, total recoverable | MO AVG | <= 194.58 ug/L | all year |
| 001 | Zinc, total recoverable | DAILY MX | <= 390.41 ug/L | all year |
| 001 | Zinc, total recoverable | MO AVG | <= 16.1 lb/d | all year |
| 001 | Zinc, total recoverable | DAILY MX | <= 32.2 lb/d | all year |
| 001 | Copper, total recoverable | MO AVG | <= 18.75 ug/L | all year |
| 001 | Copper, total recoverable | DAILY MX | <= 37.62 ug/L | all year |
| 001 | Copper, total recoverable | MO AVG | <= 1.5 lb/d | all year |
| 001 | Copper, total recoverable | DAILY MX | <= 3.1 lb/d | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | 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 |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | E. coli | 30DA GEO | report only | May, Jun, Jul, Aug, Sep |
| 001 | E. coli | 30DA GEO | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | E. coli | 7 DA GEO | report only | May, Jun, Jul, Aug, Sep |
| 001 | E. coli | 7 DA GEO | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Coliform, fecal general | 30DA GEO | report only | May, Jun, Jul, Aug, Sep |
| 001 | Coliform, fecal general | 30DA GEO | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | Coliform, fecal general | 7 DA GEO | report only | May, Jun, Jul, Aug, Sep |
| 001 | Coliform, fecal general | 7 DA GEO | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | report only | Jan, Feb, Mar, Apr, May, Jun, Jul, Oct, Nov, Dec |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | report only | Aug |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | report only | Sep |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Jan, Feb, Mar, Apr, May, Jun, Jul, Oct, Nov, Dec |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Aug |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Sep |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | <= 8000 lb/d | Jan, Feb, Mar, Apr, May, Jun, Jul, Oct, Nov, Dec |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | <= 7262 lb/d | Aug |
| 002 | BOD, 5-day, 20 deg. C | MO AVG | <= 5911 lb/d | Sep |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | <= 12000 lb/d | Jan, Feb, Mar, Apr, May, Jun, Jul, Oct, Nov, Dec |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | <= 10893 lb/d | Aug |
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | <= 8867 lb/d | Sep |
| 002 | pH | MINIMUM | >= 6 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | MO AVG | report only | all year |
| 002 | Solids, total suspended | DAILY MX | report only | all year |
| 002 | Solids, total suspended | MO AVG | <= 18000 lb/d | all year |
| 002 | Solids, total suspended | DAILY MX | <= 30000 lb/d | all year |
| 002 | Nitrogen, nitrate total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, nitrate total [as N] | DAILY MX | report only | all year |
| 002 | Nitrogen, nitrate total [as N] | MO AVG | report only | all year |
| 002 | Nitrogen, nitrate total [as N] | DAILY MX | report only | all year |
| 002 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 002 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 002 | Phosphorus, total [as P] | MO AVG | report only | all year |
| 002 | Phosphorus, total [as P] | DAILY MX | report only | all year |
| 002 | Zinc, total recoverable | MO AVG | <= 194.58 ug/L | all year |
| 002 | Zinc, total recoverable | DAILY MX | <= 390.41 ug/L | all year |
| 002 | Zinc, total recoverable | MO AVG | <= 16.1 lb/d | all year |
| 002 | Zinc, total recoverable | DAILY MX | <= 32.2 lb/d | all year |
| 002 | Copper, total recoverable | MO AVG | <= 18.75 ug/L | all year |
| 002 | Copper, total recoverable | DAILY MX | <= 37.62 ug/L | all year |
| 002 | Copper, total recoverable | MO AVG | <= 1.5 lb/d | all year |
| 002 | Copper, total recoverable | DAILY MX | <= 3.1 lb/d | 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 |
| 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