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City of New Madrid

Sewage treatment plant, New Madrid, Missouri. NPDES permit MO0022845, in force until Mar 31, 2028. Last 12 months: over a limit 18 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (14 values), outfall 001 form Q quarterly (8 values), outfall INF form IM monthly (2 values), outfall INF form IQ quarterly (8 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
11 values over a limit, 0 required values missing, 0 of 32 reports late

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

All 18 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, percent removal, monthly average minimum76.42≥ 85 %57%
November 2025Solids, suspended percent removal, monthly average minimum77.42≥ 85 %51%
December 2025BOD, 5-day, percent removal, monthly average minimum77.52≥ 85 %50%
January 2026BOD, 5-day, percent removal, monthly average minimum84.35≥ 85 %4%
January 2026Solids, suspended percent removal, monthly average minimum67.8≥ 85 %115%
February 2026BOD, 5-day, 20 deg. C, monthly average41.1≤ 30 mg/L37%
February 2026BOD, 5-day, percent removal, monthly average minimum72.42≥ 85 %84%
February 2026Solids, suspended percent removal, monthly average minimum69.79≥ 85 %101%
March 2026BOD, 5-day, 20 deg. C, monthly average36.8≤ 30 mg/L23%
March 2026BOD, 5-day, percent removal, monthly average minimum78.22≥ 85 %45%
March 2026Solids, suspended percent removal, monthly average minimum70.4≥ 85 %97%
March 2026Solids, total suspended, monthly average37≤ 30 mg/L23%
May 2026E. coli, 30-day geometric mean268.59≤ 206 #/100mL30%
May 2026E. coli, 7-day geometric mean2420≤ 1030 #/100mL135%
May 2026Solids, suspended percent removal, monthly average minimum78.49≥ 85 %43%
June 2026BOD, 5-day, percent removal, monthly average minimum74.24≥ 85 %72%
June 2026E. coli, 30-day geometric mean417≤ 206 #/100mL102%
June 2026E. coli, 7-day geometric mean1730≤ 1030 #/100mL68%

Limits in force (46)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Oil and grease [soxhlet extr.] tot.daily maximumreport only (mg/L)all year001
Oil and grease [soxhlet extr.] tot.monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximum≤ 21.3 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 25.5 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 30.4 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 48.3 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 30.4 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 30.4 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 30.4 mg/LApr, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 35.8 mg/LJan, Feb, Mar, Nov001
Nitrogen, ammonia total [as N]monthly average≤ 21.3 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 21.9 mg/LAug001
Nitrogen, ammonia total [as N]monthly average≤ 30.1 mg/LSep001
Nitrogen, ammonia total [as N]monthly average≤ 48.3 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 24.5 mg/LJul001
Nitrogen, ammonia total [as N]monthly average≤ 29.5 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 30.4 mg/LApr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 35.8 mg/LJan, Feb, Mar, Nov001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
E. coli7-day geometric mean≤ 1030 #/100mLApr–Oct001
E. coli30-day geometric mean≤ 206 #/100mLApr–Oct001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearINF
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearINF
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all yearINF
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearINF
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all yearINF
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearINF
Phosphorus, total [as P]daily maximumreport only (mg/L)all yearINF
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearINF

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/MO0022845 · MCP: https://passage-data.com/mcp