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City of Stoutland

Sewage treatment plant, Stoutland, Missouri. NPDES permit MO0124419 expired Jun 30, 2022; its limits still apply. Last 12 months: over a limit 14 times (last June 2026), 1 of 3 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (18 values), form WA every 60 months
Last report on file
June 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 0 of 4 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
March 2026BOD, 5-day, 20 deg. C, monthly average20.01≤ 10 mg/L100%
March 2026BOD, 5-day, 20 deg. C, weekly average20.01≤ 15 mg/L33%
March 2026BOD, 5-day, percent removal, monthly average minimum84.86≥ 85 %1%
March 2026E. coli, daily maximum> 2419.6≤ 126 #/100mL—
March 2026Nitrogen, ammonia total [as N], daily maximum16.27≤ 12.1 mg/L34%
March 2026Nitrogen, ammonia total [as N], monthly average16.27≤ 2.4 mg/L578%
March 2026Solids, suspended percent removal, monthly average minimum77.31≥ 85 %51%
June 2026BOD, 5-day, 20 deg. C, monthly average23.37≤ 10 mg/L134%
June 2026BOD, 5-day, 20 deg. C, weekly average23.37≤ 15 mg/L56%
June 2026BOD, 5-day, percent removal, monthly average minimum62.52≥ 85 %150%
June 2026E. coli, daily maximum> 2419.6≤ 126 #/100mL—
June 2026Nitrogen, ammonia total [as N], daily maximum16.05≤ 4.5 mg/L257%
June 2026Nitrogen, ammonia total [as N], monthly average16.05≤ 1.3 mg/L1135%
June 2026Solids, suspended percent removal, monthly average minimum66.99≥ 85 %120%

Limits in force (22)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedweekly average≤ 20 mg/Lall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Oil and grease [soxhlet extr.] tot.daily maximum≤ 15 mg/Lall year
Oil and grease [soxhlet extr.] tot.monthly average≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 4.5 mg/LApr–Sep
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LApr–Sep
Nitrogen, ammonia total [as N]monthly average≤ 2.4 mg/LJan, Feb, Mar, Oct, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Chlorine, total residualdaily maximum≤ 17 ug/Lall year
Chlorine, total residualmonthly average≤ 8 ug/Lall year
E. colidaily maximum≤ 126 #/100mLall year
E. coli30-day geometric meanreport only (#/100mL)all year
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (toxic)all year
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (toxic)all year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

Cited limits by parameter: Missouri'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/MO0124419 · MCP: https://passage-data.com/mcp