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Stockbridge-Munsee Community

Sewage treatment plant, Bowler, Wisconsin. NPDES permit WI0036188 expired May 14, 2024; its limits still apply. Last 12 months: over a limit once (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A quarterly (26 values), form Q quarterly (5 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
May 2026Nitrogen, ammonia total [as N], daily maximum5.5 mg/L≤ 4.28 mg/L29%

Limits in force (31)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitweekly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year
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 averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 60 mg/Lall year
Solids, total suspendedweekly average≤ 90 mg/Lall year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedweekly averagereport only (lb/d)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximum≤ 4.28 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Rainfalltotalreport only (in)all year
Flow, in conduit or thru treatment plantmonthly average≤ .31 MGDall year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
E. coli30-day geometric mean≤ 126 #/100mLMay–Sep
E. colidaily maximum≤ 235 #/100mLMay–Sep
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 65 %all year
Outfall observation,visual, y/n responsevaluereport only (Y=0;N=1)all year

How strict are these limits?

Cited limits by parameter: Wisconsin'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/WI0036188 · MCP: https://passage-data.com/mcp