NPDES permit AR0038482 · Minor NON-POTW · effective, expires 2027-07-31 · 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 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 | Oxygen, dissolved [DO] | INST MIN | >= 5 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 16 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 26 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 166.8 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 271.1 lb/d | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 15 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 22.5 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 156.4 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 234.6 lb/d | all year |
| 001 | Oil & Grease | MO AVG | <= 8 mg/L | all year |
| 001 | Oil & Grease | DAILY MX | <= 14 mg/L | all year |
| 001 | Oil & Grease | MO AVG | <= 83.4 lb/d | all year |
| 001 | Oil & Grease | DAILY MX | <= 145.9 lb/d | all year |
| 001 | Nitrogen, total [as N] | MO AVG | <= 103 mg/L | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | <= 147 mg/L | all year |
| 001 | Nitrogen, total [as N] | MO AVG | <= 1073.8 lb/d | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | <= 1532.5 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4 mg/L | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 5.6 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8 mg/L | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 41.7 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 41.7 lb/d | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 58.4 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 83.4 lb/d | Jan, Feb, Mar, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO AVG | <= 1.5 mg/L | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | <= 4 mg/L | all year |
| 001 | Phosphorus, total [as P] | MO AVG | <= 15.64 lb/d | all year |
| 001 | Phosphorus, total [as P] | DAILY MX | <= 41.7 lb/d | all year |
| 001 | Chloride [as Cl] | MO AVG | <= 180.2 mg/L | all year |
| 001 | Chloride [as Cl] | DAILY MX | <= 270.3 mg/L | all year |
| 001 | Chloride [as Cl] | MO AVG | <= 1878.9 lb/d | all year |
| 001 | Chloride [as Cl] | DAILY MX | <= 2818.3 lb/d | all year |
| 001 | Sulfate, total [as SO4] | MO AVG | <= 126.1 mg/L | all year |
| 001 | Sulfate, total [as SO4] | DAILY MX | <= 189.2 mg/L | all year |
| 001 | Sulfate, total [as SO4] | MO AVG | <= 2087.6 lb/d | all year |
| 001 | Sulfate, total [as SO4] | DAILY MX | <= 3131.5 lb/d | all year |
| 001 | Zinc, total recoverable | MO AVG | <= 85.5 ug/L | all year |
| 001 | Zinc, total recoverable | DAILY MX | <= 171.6 ug/L | all year |
| 001 | Zinc, total recoverable | MO AVG | <= .891 lb/d | all year |
| 001 | Zinc, total recoverable | DAILY MX | <= 1.8 lb/d | all year |
| 001 | Copper, total recoverable | MO AVG | <= 9.2 ug/L | all year |
| 001 | Copper, total recoverable | DAILY MX | <= 18.5 ug/L | all year |
| 001 | Copper, total recoverable | MO AVG | <= .096 lb/d | all year |
| 001 | Copper, total recoverable | DAILY MX | <= .2 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 | DAILY MX | report only | all year |
| 001 | Solids, total dissolved | MO AVG | <= 871.1 mg/L | all year |
| 001 | Solids, total dissolved | DAILY MX | <= 1306.6 mg/L | all year |
| 001 | Solids, total dissolved | MO AVG | <= 9080.8 lb/d | all year |
| 001 | Solids, total dissolved | DAILY MX | <= 13621.2 lb/d | all year |
| 001 | Coliform, fecal general | INST MAX | <= 400 #/100mL | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 15 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 23 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 156.4 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 234.6 lb/d | 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