NPDES permit OK0000795 · Major NON-POTW · effective, expires 2030-11-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31.
Reports are due about 10 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 6 mg/L | Jan, Feb, Mar, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 001 | Oxygen, dissolved [DO] | DAILY MN | >= 6.5 mg/L | Apr, May |
| 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 | <= 160.7 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 261.1 lb/d | all year |
| 001 | pH | MINIMUM | >= 6.5 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 | <= 200.8 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 301.2 lb/d | all year |
| 001 | Oil and grease, hexane extr method | MO AVG | <= 8 mg/L | all year |
| 001 | Oil and grease, hexane extr method | DAILY MX | <= 14 mg/L | all year |
| 001 | Oil and grease, hexane extr method | MO AVG | <= 100.5 lb/d | all year |
| 001 | Oil and grease, hexane extr method | DAILY MX | <= 175.8 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 | <= 1034.3 lb/d | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | <= 1476.1 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4 mg/L | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 3.5 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6 mg/L | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 5.25 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 40.2 lb/d | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 40.2 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 74.2 lb/d | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 64.9 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorous, total organic [as P] | MO AVG | <= 22.77 mg/L | all year |
| 001 | Phosphorous, total organic [as P] | DAILY MX | <= 27.14 mg/L | all year |
| 001 | Phosphorous, total organic [as P] | MO AVG | <= 248.5 lb/d | all year |
| 001 | Phosphorous, total organic [as P] | DAILY MX | <= 296.1 lb/d | all year |
| 001 | Copper, total [as Cu] | MO AVG | report only | all year |
| 001 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | MO AVG | report only | all year |
| 001 | Copper, total [as Cu] | 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 | Chlorine, total residual | INST MAX | <= .099 mg/L | all year |
| 001 | E. coli, colony forming units [CFU] | GEO MEAN | <= 126 CFU/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | E. coli, colony forming units [CFU] | GEO MEAN | <= 126 CFU/100mL | May, Jun, Jul, Aug, Sep |
| 001 | E. coli, colony forming units [CFU] | DAILY MX | <= 406 CFU/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| 001 | E. coli, colony forming units [CFU] | DAILY MX | <= 406 CFU/100mL | May, Jun, Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 16 mg/L | Jan, Feb, Mar, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 14 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 24 mg/L | Jan, Feb, Mar, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 21 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 197.9 lb/d | Jan, Feb, Mar, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 173.1 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 296.8 lb/d | Jan, Feb, Mar, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 259.7 lb/d | Apr, May, Jun, Jul, Aug, Sep, Oct |
| TX1 | pH | MINIMUM | report only | all year |
| TX1 | pH | MAXIMUM | report only | all year |
| TX1 | Nitrogen, ammonia total [as N] | DAILY MN | report only | all year |
| TX1 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| TX1 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #1 | 48HR MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 7 DA MIN | report only | all year |
| TX1 | Whole effluent toxicity - retest #2 | 48HR MIN | report only | all year |
| TX1 | LC50 Static Renewal 48Hr Acute Daphnia pulex | 48HR MIN | report only | all year |
| TX1 | LC50 Static Renewal 48Hr Acute Pimephales promelas | 48HR 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 | LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex | 48HR MIN | report only | all year |
| TX1 | LC50 Static Renewal 48Hr Acute Pimephales promelas | 48HR MIN | report only | all year |
| TX1 | %Mortality Static Renewal 48Hr Acute Daphnia Pulex | 48HR MIN | report only | all year |
| TX1 | % Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C | 48HR MIN | report only | all year |
| TX1 | %Mortality 7Day Chronic Ceriodaphnia dubia | 7 DA MIN | report only | all year |
| TX1 | %Mortality 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