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Kiefer PWA

Sewage treatment plant, Kiefer, Oklahoma. NPDES permit OK0028771, in force until Nov 30, 2028. Last 12 months: over a limit 15 times (last June 2026), 4 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (14 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
24 values over a limit, 8 required values missing, 7 of 12 reports late

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

All 15 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, 20 deg. C, monthly average34.57 lb/d≤ 30 lb/d15%
November 2025BOD, 5-day, 20 deg. C, monthly average49.95 mg/L≤ 30 mg/L67%
November 2025BOD, 5-day, 20 deg. C, weekly average51.7 mg/L≤ 45 mg/L15%
December 2025BOD, 5-day, 20 deg. C, monthly average30.27 lb/d≤ 30 lb/d1%
December 2025BOD, 5-day, 20 deg. C, monthly average34.05 mg/L≤ 30 mg/L14%
January 2026BOD, 5-day, 20 deg. C, monthly average41.45 mg/L≤ 30 mg/L38%
February 2026BOD, 5-day, 20 deg. C, monthly average36.43 lb/d≤ 30 lb/d21%
February 2026BOD, 5-day, 20 deg. C, monthly average39.85 mg/L≤ 30 mg/L33%
March 2026BOD, 5-day, 20 deg. C, monthly average31 mg/L≤ 30 mg/L3%
April 2026BOD, 5-day, 20 deg. C, monthly average36.85 mg/L≤ 30 mg/L23%
April 2026BOD, 5-day, 20 deg. C, monthly average39.39 lb/d≤ 30 lb/d31%
May 2026BOD, 5-day, 20 deg. C, monthly average40.45 mg/L≤ 30 mg/L35%
May 2026E. coli, daily maximum800 CFU/100mL≤ 406 CFU/100mL97%
June 2026E. coli, daily maximum9600 CFU/100mL≤ 406 CFU/100mL2265%
June 2026Solids, total suspended, monthly average146.28 lb/d≤ 90.1 lb/d62%

Limits in force (14)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 6 mg/LJun–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 lb/dall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedweekly average≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 90.1 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 CFU/100mLMay–Sep
E. colidaily maximum≤ 406 CFU/100mLMay–Sep

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OK0028771 · MCP: https://passage-data.com/mcp