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Wewoka, City of

Sewage treatment plant, Wewoka, Oklahoma. NPDES permit OK0022659, in force until Oct 31, 2027. Last 12 months: over a limit 47 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (13 values)
Renewal application due
May 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
66 values over a limit, 55 required values missing, 6 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 47 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, monthly average120.3 lb/d≤ 96.7 lb/d24%
October 2025BOD, 5-day, 20 deg. C, monthly average49.2 mg/L≤ 20 mg/L146%
October 2025BOD, 5-day, 20 deg. C, weekly average129 mg/L≤ 30 mg/L330%
October 2025Chlorine, total residual, instantaneous maximum1.8 mg/L≤ .099 mg/L1718%
October 2025Solids, total suspended, monthly average103.2 mg/L≤ 30 mg/L244%
October 2025Solids, total suspended, monthly average249.8 lb/d≤ 145.1 lb/d72%
October 2025Solids, total suspended, weekly average290 mg/L≤ 45 mg/L544%
October 2025pH, minimum5.7 SU≥ 6.5 SU—
November 2025Chlorine, total residual, instantaneous maximum.6 mg/L≤ .099 mg/L506%
November 2025pH, minimum5.4 SU≥ 6.5 SU—
December 2025Chlorine, total residual, instantaneous maximum1.5 mg/L≤ .099 mg/L1415%
December 2025pH, minimum5.6 SU≥ 6.5 SU—
January 2026Chlorine, total residual, instantaneous maximum1.5 mg/L≤ .099 mg/L1415%
January 2026Solids, total suspended, weekly average61 mg/L≤ 45 mg/L36%
January 2026pH, minimum5.6 SU≥ 6.5 SU—
February 2026BOD, 5-day, 20 deg. C, monthly average22.5 mg/L≤ 20 mg/L13%
February 2026BOD, 5-day, 20 deg. C, weekly average43.3 mg/L≤ 30 mg/L44%
February 2026Chlorine, total residual, instantaneous maximum.7 mg/L≤ .099 mg/L607%
February 2026Solids, total suspended, monthly average31.3 mg/L≤ 30 mg/L4%
February 2026Solids, total suspended, weekly average80 mg/L≤ 45 mg/L78%
February 2026pH, minimum5.5 SU≥ 6.5 SU—
March 2026BOD, 5-day, 20 deg. C, weekly average36.9 mg/L≤ 30 mg/L23%
March 2026Chlorine, total residual, instantaneous maximum6.3 mg/L≤ .099 mg/L6264%
March 2026Solids, total suspended, weekly average54 mg/L≤ 45 mg/L20%
March 2026pH, minimum5.9 SU≥ 6.5 SU—
April 2026BOD, 5-day, 20 deg. C, weekly average31 mg/L≤ 30 mg/L3%
April 2026Chlorine, total residual, instantaneous maximum1 mg/L≤ .099 mg/L910%
April 2026pH, minimum6.2 SU≥ 6.5 SU—
May 2026Chlorine, total residual, instantaneous maximum.9 mg/L≤ .099 mg/L809%
May 2026E. coli, daily maximum> 2419.6 MPN/100mL≤ 406 MPN/100mL—
May 2026E. coli, geometric mean> 2419.6 MPN/100mL≤ 126 MPN/100mL—
May 2026pH, minimum5.4 SU≥ 6.5 SU—
June 2026Chlorine, total residual, instantaneous maximum1.6 mg/L≤ .099 mg/L1516%
June 2026E. coli, daily maximum> 2419.6 MPN/100mL≤ 406 MPN/100mL—
June 2026E. coli, geometric mean> 2419.6 MPN/100mL≤ 126 MPN/100mL—
June 2026Solids, total suspended, weekly average47.5 mg/L≤ 45 mg/L6%
June 2026pH, minimum6 SU≥ 6.5 SU—
July 2026Chlorine, total residual, instantaneous maximum.4 mg/L≤ .099 mg/L304%
July 2026E. coli, daily maximum> 2419.6 MPN/100mL≤ 406 MPN/100mL—
July 2026E. coli, geometric mean< 2419.6 MPN/100mL≤ 126 MPN/100mL1820%
July 2026pH, minimum6.4 SU≥ 6.5 SU—
August 2026Chlorine, total residual, instantaneous maximum2.8 mg/L≤ .099 mg/L2728%
August 2026E. coli, daily maximum> 2419.6 MPN/100mL≤ 406 MPN/100mL—
August 2026E. coli, geometric mean> 143.6 MPN/100mL≤ 126 MPN/100mL—
August 2026Solids, total suspended, monthly average37.6 mg/L≤ 30 mg/L25%
August 2026Solids, total suspended, weekly average90 mg/L≤ 45 mg/L100%
August 2026pH, minimum6.4 SU≥ 6.5 SU—

Limits in force (13)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 96.7 lb/dall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 145.1 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualinstantaneous maximum≤ .099 mg/Lall year
E. coligeometric mean≤ 126 MPN/100mLMay–Sep
E. colidaily maximum≤ 406 MPN/100mLMay–Sep

How strict are these limits?

Cited limits by parameter: Oklahoma's rules and the federal ones.

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Your permit document is the final word. As JSON: /api/v1/permits/OK0022659 · MCP: https://passage-data.com/mcp