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Cape Girardeau County Regional Sewer Dis

Sewerage Systems, Cape Girardeau, Missouri. NPDES permit MO0140023, in force until Nov 30, 2030. Last 12 months: over a limit 24 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (16 values), outfall INF form IM monthly (2 values), outfall 001 form WA every 60 months
Last report on file
August 2026

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

All 24 values over a limit
Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, monthly average10.6≤ 10 mg/L6%
December 2025Nitrogen, ammonia total [as N], daily maximum16.9≤ 8.4 mg/L101%
December 2025Nitrogen, ammonia total [as N], monthly average16.9≤ 2.2 mg/L668%
January 2026BOD, 5-day, 20 deg. C, monthly average18.3≤ 10 mg/L83%
January 2026BOD, 5-day, 20 deg. C, weekly average18.3≤ 15 mg/L22%
January 2026Nitrogen, ammonia total [as N], daily maximum31.1≤ 12.1 mg/L157%
January 2026Nitrogen, ammonia total [as N], monthly average31.1≤ 3.1 mg/L903%
February 2026BOD, 5-day, 20 deg. C, monthly average51.3≤ 10 mg/L413%
February 2026BOD, 5-day, 20 deg. C, weekly average51.3≤ 15 mg/L242%
February 2026BOD, 5-day, percent removal, monthly average minimum40.55≥ 85 %296%
February 2026Nitrogen, ammonia total [as N], daily maximum33≤ 12.1 mg/L173%
February 2026Nitrogen, ammonia total [as N], monthly average33≤ 3.1 mg/L965%
February 2026Solids, suspended percent removal, monthly average minimum60≥ 85 %167%
February 2026Solids, total suspended, monthly average20≤ 10 mg/L100%
February 2026Solids, total suspended, weekly average20≤ 15 mg/L33%
March 2026BOD, 5-day, 20 deg. C, monthly average12.94≤ 10 mg/L29%
March 2026BOD, 5-day, 20 deg. C, weekly average21.9≤ 15 mg/L46%
March 2026Solids, suspended percent removal, monthly average minimum0≥ 85 %567%
March 2026Solids, total suspended, monthly average11≤ 10 mg/L10%
March 2026Solids, total suspended, weekly average16≤ 15 mg/L7%
April 2026E. coli, 30-day geometric mean2420≤ 206 #/100mL1075%
April 2026E. coli, 7-day geometric mean2420≤ 1030 #/100mL135%
July 2026E. coli, 30-day geometric mean1410≤ 206 #/100mL584%
July 2026E. coli, 7-day geometric mean1410≤ 1030 #/100mL37%

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 15 mg/Lall year001
Solids, total suspendedmonthly average≤ 10 mg/Lall year001
Oil and grease [soxhlet extr.] tot.daily maximum≤ 15 mg/Lall year001
Oil and grease [soxhlet extr.] tot.monthly average≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LOct–Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LJul–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJan–Mar001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LApr–Jun001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LJan–Mar001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LApr–Jun001
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
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (toxic)all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (toxic)all year001
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

How strict are these limits?

Cited limits by parameter: Missouri'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/MO0140023 · MCP: https://passage-data.com/mcp