NPDES permit OK0034321 · Major NON-POTW · administratively continued, expires 2026-06-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2026-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31.
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 |
|---|---|---|---|---|
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 92 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 175 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 14065 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 26702 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 125 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 234 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 19042 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 35797 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 4 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 73 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 6 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 175 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 543 lb/d | Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 11153 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 815 lb/d | Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 26738 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 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 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 67 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 100.5 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 9096 lb/d | Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 13645 lb/d | Jun, Jul, Aug, Sep, Oct |
| 003 | pH | MINIMUM | >= 6.5 SU | all year |
| 003 | pH | MAXIMUM | <= 9 SU | all year |
| 003 | Oil and grease, hexane extr method | DAILY MX | <= 15 mg/L | all year |
| 003 | Carbon, tot organic [TOC] | DAILY MX | <= 55 mg/L | all year |
| 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 |
| 004 | pH | MINIMUM | >= 6.5 SU | all year |
| 004 | pH | MAXIMUM | <= 9 SU | all year |
| 004 | Oil and grease, hexane extr method | DAILY MX | <= 15 mg/L | all year |
| 004 | Carbon, tot organic [TOC] | DAILY MX | <= 55 mg/L | all year |
| 004 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 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 | 48HR 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 | 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 |
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