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Rogers Co. RSD #1

Sewage treatment plant, Claremore, Oklahoma. NPDES permit OK0038032, in force until Aug 31, 2030. Last 12 months: over a limit 8 times (last June 2026), 8 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (17 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 27 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026BOD, 5-day, 20 deg. C, monthly average30.7 mg/L≤ 30 mg/L2%
March 2026BOD, 5-day, 20 deg. C, monthly average173.5 lb/d≤ 125.1 lb/d39%
March 2026BOD, 5-day, 20 deg. C, monthly average34 mg/L≤ 30 mg/L13%
March 2026BOD, 5-day, 20 deg. C, weekly average48 mg/L≤ 45 mg/L7%
April 2026BOD, 5-day, 20 deg. C, monthly average135.3 lb/d≤ 125.1 lb/d8%
April 2026E. coli, daily maximum2800 CFU/100mL≤ 2030 CFU/100mL38%
June 2026Chlorine, total residual, instantaneous maximum.52 mg/L≤ .099 mg/L425%
June 2026E. coli, daily maximum490 CFU/100mL≤ 406 CFU/100mL21%

Limits in force (22)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/LJun–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/LJun–Oct
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 131.8 lb/dJun–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 197.7 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
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≤ 593 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 7.2 mg/LJun–Oct
Nitrogen, ammonia total [as N]weekly average≤ 10.8 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 47.4 lb/dJun–Oct
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. coligeometric mean≤ 630 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
E. colidaily maximum≤ 406 CFU/100mLMay–Sep
E. colidaily maximum≤ 2030 CFU/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OK0038032 · MCP: https://passage-data.com/mcp