NPDES permit AR0001830 · Major NON-POTW · effective, expires 2029-06-30 · 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: E. coli (1).
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 | Stream flow, instantaneous | MINIMUM | report only | Jul, Aug, Sep |
| 001 | Stream flow, instantaneous | DAILY MX | report only | Jul, Aug, Sep |
| 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 | <= 11682.4 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 22207.7 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 6000 lb/d | Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 9000 lb/d | Jul, Aug, Sep |
| 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 | <= 16910.4 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 34151.4 lb/d | all year |
| 001 | BOD, 5-day, 20 deg C per cfs of streamflw | MO AVG | <= 8.08 lb/CFS/d | Jul, Aug, Sep |
| 001 | BOD, 5-day, 20 deg C per cfs of streamflw | DAILY MX | <= 12.12 lb/CFS/d | Jul, Aug, Sep |
| 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 | E. coli | 30DA GEO | report only | May, Jun |
| 001 | E. coli | 30DA GEO | report only | Jan, Feb, Mar, Apr |
| 001 | E. coli | 30DA GEO | report only | Jul, Aug, Sep |
| 001 | E. coli | 30DA GEO | report only | Oct, Nov, Dec |
| 001 | E. coli | 7 DA GEO | <= 410 #/100mL | May, Jun |
| 001 | E. coli | 7 DA GEO | <= 2050 #/100mL | Jan, Feb, Mar, Apr |
| 001 | E. coli | 7 DA GEO | <= 410 #/100L | Jul, Aug, Sep |
| 001 | E. coli | 7 DA GEO | <= 2050 #/100L | Oct, Nov, Dec |
| 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