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Callaway County Sewer District

Sewage treatment plant, Fulton, Missouri. NPDES permit MO0112569 expired Jun 30, 2025; its limits still apply. Last 12 months: over a limit 19 times (last June 2026), 2 of 6 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (12 values), outfall 002 form Q quarterly (12 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
29 values over a limit, 20 required values missing, 2 of 8 reports late

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

All 19 values over a limit
Period endingOutfallParameterReportedLimitOver by
December 2025001E. coli, 30-day geometric mean5620≤ 206 #/100mL2628%
December 2025001E. coli, 7-day geometric mean5620≤ 1030 #/100mL446%
December 2025001Nitrogen, ammonia total [as N], daily maximum25.9≤ 12.1 mg/L114%
December 2025001Nitrogen, ammonia total [as N], monthly average25.9≤ 3.1 mg/L735%
December 2025002E. coli, 30-day geometric mean6820≤ 206 #/100mL3211%
December 2025002E. coli, 7-day geometric mean6820≤ 1030 #/100mL562%
December 2025002Nitrogen, ammonia total [as N], daily maximum29.3≤ 12.1 mg/L142%
December 2025002Nitrogen, ammonia total [as N], monthly average29.3≤ 3.1 mg/L845%
March 2026001Nitrogen, ammonia total [as N], monthly average26.7≤ 2.7 mg/L889%
March 2026002Nitrogen, ammonia total [as N], daily maximum27.6≤ 10.1 mg/L173%
March 2026002Nitrogen, ammonia total [as N], monthly average27.6≤ 2.7 mg/L922%
March 2026002Solids, total suspended, monthly average104≤ 70 mg/L49%
June 2026001E. coli, 30-day geometric mean28300≤ 206 #/100mL13638%
June 2026001E. coli, 7-day geometric mean28300≤ 1030 #/100mL2648%
June 2026001Nitrogen, ammonia total [as N], daily maximum13.7≤ 12.1 mg/L13%
June 2026001Nitrogen, ammonia total [as N], monthly average13.7≤ 1.8 mg/L661%
June 2026002E. coli, 30-day geometric mean9600≤ 206 #/100mL4560%
June 2026002E. coli, 7-day geometric mean9600≤ 1030 #/100mL832%
June 2026002Nitrogen, ammonia total [as N], monthly average9.2≤ 1.8 mg/L411%

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 65 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly maximum≤ 110 mg/Lall year001
Solids, total suspendedmonthly average≤ 70 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LApr–Jun001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJul–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LOct–Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LJan–Mar001
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LApr–Jun001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LJan–Mar001
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–Dec001
E. coli30-day geometric mean≤ 206 #/100mLApr–Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 65 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/Lall year002
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedweekly average≤ 110 mg/Lall year002
Solids, total suspendedmonthly average≤ 70 mg/Lall year002
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LApr–Jun002
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LOct–Dec002
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LJan–Mar002
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJul–Sep002
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LApr–Jun002
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LOct–Dec002
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LJan–Mar002
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJul–Sep002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
E. coli7-day geometric mean≤ 1030 #/100mLApr–Dec002
E. coli30-day geometric mean≤ 206 #/100mLApr–Dec002

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/MO0112569 · MCP: https://passage-data.com/mcp