NPDES permit OK0000744 · Major NON-POTW · effective, expires 2027-08-31 · 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: E. coli (3).
Reports are due about 15 days after each monitoring period ends (the most common figure among OK permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 003 | BOD, 5-day, 20 deg. C | MO AVG | <= 38016 lb/d | Jun, Jul, Aug, Sep, Oct |
| 003 | BOD, 5-day, 20 deg. C | MO AVG | <= 38016 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 003 | BOD, 5-day, 20 deg. C | DAILY MX | <= 44666 lb/d | Jun, Jul, Aug, Sep, Oct |
| 003 | BOD, 5-day, 20 deg. C | DAILY MX | <= 76464 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 003 | pH | DAILY MN | >= 6.5 SU | all year |
| 003 | pH | DAILY MX | <= 9 SU | all year |
| 003 | Solids, total suspended | MO AVG | <= 60372 lb/d | all year |
| 003 | Solids, total suspended | DAILY MX | <= 120744 lb/d | all year |
| 003 | Nitrogen, ammonia total [as N] | MO AVG | report only | Jun, Jul, Aug, Sep, Oct |
| 003 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jun, Jul, Aug, Sep, Oct |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 003 | E. coli | GEO MEAN | <= 126 MPN/100mL | May, Jun, Jul, Aug, Sep |
| 003 | E. coli | DAILY MX | <= 406 MPN/100mL | May, Jun, Jul, Aug, Sep |
| TX3 | Whole effluent toxicity - retest #1 | 48HR MIN | report only | all year |
| TX3 | Whole effluent toxicity - retest #2 | 48HR MIN | report only | all year |
| TX3 | LC50 Static Renewal 48Hr Acute Daphnia pulex | 48HR MIN | report only | all year |
| TX3 | LC50 Static Renewal 48Hr Acute Pimephales promelas | 48HR MIN | report only | all year |
| TX3 | LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex | 48HR MIN | report only | all year |
| TX3 | LC50 Static Renewal 48Hr Acute Pimephales promelas | 48HR MIN | report only | all year |
| TX3 | %Mortality Static Renewal 48Hr Acute Daphnia Pulex | 48HR MIN | report only | all year |
| TX3 | % Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C | 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