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Drumright Utilities Trust

Sewage treatment plant, Drumright, Oklahoma. NPDES permit OK0022501, in force until Mar 31, 2028. Last 12 months: over a limit once (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (16 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
August 2026E. coli, daily maximum2420 MPN/100mL≤ 406 MPN/100mL496%

Limits in force (23)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly minimum≥ 5 mg/LJun–Oct
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/LJan, Feb, Mar, Nov, Dec
Oxygen, dissolved [DO]monthly minimum≥ 6 mg/LApr, May
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 113.4 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
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≤ 170.1 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 7 mg/LJun–Oct
Nitrogen, ammonia total [as N]weekly average≤ 10.5 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 39.7 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
E. coligeometric mean≤ 126 MPN/100mLMay–Sep
E. coligeometric mean≤ 630 MPN/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
E. colidaily maximum≤ 406 MPN/100mLMay–Sep
E. colidaily maximum≤ 2030 MPN/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 22.5 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 85.1 lb/dJun–Oct

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/OK0022501 · MCP: https://passage-data.com/mcp