NPDES permit AR0052451 · Minor NON-POTW · effective, expires 2026-12-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: Coliform, fecal general (4).
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 | >= 2 mg/L | all year |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 20 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 310.2 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 465.4 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 | <= 124.1 lb/d | all year |
| 001 | Oil & Grease | DAILY MX | <= 217.2 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 | <= 1597.8 lb/d | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | <= 2280.3 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 62 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 124.1 lb/d | all year |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrite + 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] | DAILY MX | 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 | 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 | Coliform, fecal general | MO GEO | <= 200 #/100mL | Apr, May, Jun, Jul, Aug, Sep |
| 001 | Coliform, fecal general | MO GEO | <= 400 #/100mL | Jan, Feb, Mar, Oct, Nov, Dec |
| 001 | Coliform, fecal general | DAILY MX | <= 400 #/100mL | Apr, May, Jun, Jul, Aug, Sep |
| 001 | Coliform, fecal general | DAILY MX | <= 400 #/100mL | Jan, Feb, Mar, Oct, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 20 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 30 mg/L | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 248.2 lb/d | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 403.3 lb/d | all year |
| TX1 | Whole effluent toxicity - retest #1 | 48HR MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 48HR MIN | report only | all year |
| TX1 | WET, sublethal retest #1 | 48HR MIN | report only | all year |
| TX1 | WET, sublethal retest #2 | 48HR MIN | report only | all year |
| TX1 | Whole Effluent Toxicity - Retest #3 | 48HR MIN | report only | all year |
| TX1 | Whole Effluent Toxicity, Sub-Lethal Retest #3 | 48HR MIN | report only | all year |
| TX1 | Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48HR MIN | report only | all year |
| TX1 | LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48HR MIN | report only | all year |
| TX1 | NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48HR MIN | report only | all year |
| TX1 | NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48HR MIN | report only | all year |
| TX1 | Coef Of Var Static Renewal 48Hr Acute D. pulex | 48HR MIN | report only | all year |
| TX1 | Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 48HR 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