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Lewis County C1 School District

Elementary And Secondary Schools, Lewistown, Missouri. NPDES permit MO0117650, in force until Mar 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form OM quarterly (8 values), form Q quarterly (12 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 6 reports late

Limits in force (24)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
Oxygen, dissolved [DO]monthly average minimumreport only (mg/L)all year
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
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedweekly average≤ 110 mg/Lall year
Solids, total suspendedmonthly average≤ 70 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 3.6 mg/LJul–Sep
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 3.6 mg/LApr–Jun
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJul–Sep
Nitrogen, ammonia total [as N]monthly average≤ 2.9 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LApr–Jun
Rainfalldaily maximumreport only (in)all year
Rainfallmonthly averagereport only (in)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
E. coli7-day geometric mean≤ 1030 #/100mLApr–Dec
E. coli30-day geometric mean≤ 206 #/100mLApr–Dec

How strict are these limits?

Cited limits by parameter: Missouri's rules and the federal ones.

Same industry: the 55 Educational Services permits in Missouri.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0117650 · MCP: https://passage-data.com/mcp