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Randy Dent

Sewerage Systems, Jefferson City, Missouri. NPDES permit MO0088960, in force until Apr 30, 2030. Last 12 months: over a limit 8 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form Q quarterly (16 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
11 values over a limit, 16 required values missing, 1 of 4 reports late

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

Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], monthly average2.9≤ 2.2 mg/L32%
December 2025pH, maximum9.4≤ 9 SU—
March 2026pH, minimum0≥ 6.5 SU—
June 2026BOD, 5-day, 20 deg. C, monthly average75.9≤ 45 mg/L69%
June 2026BOD, 5-day, 20 deg. C, weekly average75.9≤ 65 mg/L17%
June 2026E. coli, 30-day geometric mean2400≤ 126 #/100mL1805%
June 2026E. coli, daily maximum2400≤ 630 #/100mL281%
June 2026Solids, total suspended, monthly average108≤ 80 mg/L35%

Limits in force (22)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimumreport only (mg/L)Apr–Dec
Oxygen, dissolved [DO]monthly average minimumreport only (mg/L)Apr–Dec
BOD, 5-day, 20 deg. Cweekly average≤ 65 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedweekly average≤ 120 mg/Lall year
Solids, total suspendedmonthly average≤ 80 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 3.6 mg/LJul–Sep
Nitrogen, ammonia total [as N]daily maximum≤ 3.6 mg/LApr–Jun
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LOct–Dec
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LJan–Mar
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJul–Sep
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LApr–Jun
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LOct–Dec
Nitrogen, ammonia total [as N]monthly average≤ 2.9 mg/LJan–Mar
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/LApr–Dec
Chlorine, total residualmonthly average≤ 5 ug/LApr–Dec
E. colidaily maximum≤ 630 #/100mLApr–Dec
E. coli30-day geometric mean≤ 126 #/100mLApr–Dec

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/MO0088960 · MCP: https://passage-data.com/mcp