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Callaway County Sewer District

Sewage treatment plant, Fulton, Missouri. NPDES permit MO0128104 expired Mar 31, 2025; its limits still apply. Last 12 months: over a limit 8 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 (14 values), outfall INF form IQ quarterly (2 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 0 of 8 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, percent removal, monthly average minimum51≥ 85 %227%
December 2025E. coli, 30-day geometric mean> 0≤ 206 #/100mL—
December 2025E. coli, 7-day geometric mean> 0≤ 1030 #/100mL—
December 2025Solids, suspended percent removal, monthly average minimum73≥ 85 %80%
June 2026BOD, 5-day, percent removal, monthly average minimum83≥ 85 %13%
June 2026E. coli, 30-day geometric mean14600≤ 206 #/100mL6987%
June 2026E. coli, 7-day geometric mean14600≤ 1030 #/100mL1317%
June 2026Solids, suspended percent removal, monthly average minimum83≥ 85 %13%

Limits in force (18)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 11.5 mg/LJan, Feb, Mar, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 5.8 mg/LApr–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 2.6 mg/LJan, Feb, Mar, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LApr–Sep001
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, 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/MO0128104 · MCP: https://passage-data.com/mcp