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NPDES permit OK0100676 · Minor NON-POTW · effective, expires 2029-02-28 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

6values over a limit
0required values missing, on 0 form(s)
6of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (4), BOD, carbonaceous [5 day, 20 C] (2).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (16)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 80 mg/L all year
001Solids, total suspendedDAILY MX <= 120 mg/L all year
001Solids, total suspendedMO AVG <= 2001.6 lb/d all year
001Solids, total suspendedDAILY MX <= 3002.4 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 250.2 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 375.3 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 60 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 90 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 1501.2 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2251.8 lb/d 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