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Minco WWT

Sewage treatment plant, Minco, Oklahoma. NPDES permit OK0100731, in force until May 31, 2031. Last 12 months: over a limit 13 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
15 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 13 values over a limit
Period endingParameterReportedLimit
October 2025Flow, in conduit or thru treatment plant, daily maximum.092 MGD≤ 0 MGD
October 2025Flow, in conduit or thru treatment plant, monthly average.023 MGD≤ 0 MGD
November 2025pH, maximum9.4 SU≤ 9 SU
December 2025pH, maximum9.3 SU≤ 9 SU
January 2026pH, maximum9.3 SU≤ 9 SU
February 2026pH, maximum9.3 SU≤ 9 SU
March 2026pH, maximum9.2 SU≤ 9 SU
April 2026Flow, in conduit or thru treatment plant, daily maximum.187 MGD≤ 0 MGD
April 2026Flow, in conduit or thru treatment plant, monthly average.077 MGD≤ 0 MGD
May 2026Flow, in conduit or thru treatment plant, daily maximum.108 MGD≤ 0 MGD
May 2026Flow, in conduit or thru treatment plant, monthly average.015 MGD≤ 0 MGD
June 2026Flow, in conduit or thru treatment plant, daily maximum.078 MGD≤ 0 MGD
June 2026Flow, in conduit or thru treatment plant, monthly average.038 MGD≤ 0 MGD

Limits in force (14)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/LJan, Feb, Mar, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 37.5 lb/dJan, Feb, Mar, Nov, Dec
pHminimum≥ 6.5 SUJan, Feb, Mar, Nov, Dec
pHmaximum≤ 9 SUJan, Feb, Mar, Nov, Dec
Solids, total suspendedmonthly average≤ 90 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendeddaily maximum≤ 135 mg/LJan, Feb, Mar, Nov, Dec
Solids, total suspendedmonthly average≤ 112.5 lb/dJan, Feb, Mar, Nov, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ 0 MGDApr–Oct
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Jan, Feb, Mar, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximum≤ 0 MGDApr–Oct
E. coligeometric mean≤ 630 MPN/100mLJan, Feb, Mar, Nov, Dec
E. colidaily maximum≤ 2030 MPN/100mLJan, Feb, Mar, Nov, Dec

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/OK0100731 · MCP: https://passage-data.com/mcp