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City of Sedalia

Sewage treatment plant, major discharger, Sedalia, Missouri. NPDES permit MO0023019, in force until Oct 31, 2028. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (24 values), outfall 001 form Q quarterly (2 values), outfall INF form IM monthly (10 values), outfall SM2 form DM monthly (2 values), outfall 001 form WA yearly
Renewal application due
May 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
19 values over a limit, 0 required values missing, 3 of 41 reports late

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

Period endingParameterReportedLimitOver by
January 2026BOD, 5-day, 20 deg. C, monthly average24.4≤ 20 mg/L22%
January 2026BOD, 5-day, 20 deg. C, weekly average73.3≤ 20 mg/L267%
April 2026Solids, total suspended, daily maximum46≤ 35 mg/L31%
June 2026BOD, 5-day, 20 deg. C, weekly average10.5≤ 10 mg/L5%

Limits in force (50)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 10 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Oct001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 35 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, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LApr, May, Jun, Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 8.1 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LAug001
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJul001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LApr, May, Jun, Sep001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 2.9 mg/LJan, Feb, Mar, Nov, Dec001
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
Copper, total recoverabledaily maximum≤ 43.8 ug/Lall year001
Copper, total recoverablemonthly average≤ 16.3 ug/Lall 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
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
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
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all yearSM2
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all yearSM2

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/MO0023019 · MCP: https://passage-data.com/mcp