Tishomingo, City of

NPDES permit OK0031992 · Minor POTW · effective, expires 2029-04-30 · EPA's file as of 2026-09-19

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

15values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (4), BOD, carbonaceous [5 day, 20 C] (2), Oxygen, dissolved [DO] (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 (27)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]MINIMUM >= 7 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedWKLY AVG <= 22.5 mg/L all year
001Solids, total suspendedMO AVG <= 66.8 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L Apr, May
001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 6 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 7.5 mg/L Apr, May
001Nitrogen, ammonia total [as N]WKLY AVG <= 3 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 9 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 22.9 lb/d Apr, May
001Nitrogen, ammonia total [as N]MO AVG <= 9.2 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 27.6 lb/d Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]MO AVG <= 4.77 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 10.46 mg/L all year
001Phosphorus, total [as P]MO AVG <= 21.9 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
001Chlorine, total residualINST MAX <= .099 mg/L all year
001E. coliGEO MEAN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliDAILY MX <= 406 MPN/100mL May, Jun, Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 9 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 13.5 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 41.3 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