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NE Vernon County R-I School District

Sewerage Systems, Schell City, Missouri. NPDES permit MO0083241, in force until Nov 30, 2027. Last 12 months: over a limit 15 times (last September 2026), 26 required values missing, 4 of 8 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (12 values), outfall 001 form BA twice a year, outfall INF form IB twice a year
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
12 values over a limit, 4 required values missing, 3 of 8 reports late

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

All 15 values over a limit
Period endingParameterReportedLimitOver by
March 2026Nitrogen, ammonia total [as N], daily maximum21.11≤ 10.1 mg/L109%
March 2026Nitrogen, ammonia total [as N], daily maximum21.11≤ 10.1 mg/L109%
March 2026Nitrogen, ammonia total [as N], monthly average21.11≤ 2.7 mg/L682%
March 2026Nitrogen, ammonia total [as N], monthly average21.11≤ 2.7 mg/L682%
June 2026E. coli, 30-day geometric mean422≤ 206 #/100mL105%
June 2026E. coli, 30-day geometric mean422≤ 206 #/100mL105%
June 2026Nitrogen, ammonia total [as N], daily maximum15.57≤ 12.1 mg/L29%
June 2026Nitrogen, ammonia total [as N], daily maximum15.57≤ 12.1 mg/L29%
June 2026Nitrogen, ammonia total [as N], monthly average15.57≤ 1.8 mg/L765%
June 2026Nitrogen, ammonia total [as N], monthly average15.57≤ 1.8 mg/L765%
September 2026E. coli, 30-day geometric mean80850≤ 206 #/100mL39148%
September 2026E. coli, 7-day geometric mean80850≤ 1030 #/100mL7750%
September 2026Nitrogen, ammonia total [as N], daily maximum61.76≤ 12.1 mg/L410%
September 2026Nitrogen, ammonia total [as N], monthly average61.76≤ 1.3 mg/L4651%
September 2026Solids, total suspended, monthly average42.7≤ 30 mg/L42%

Limits in force (22)

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≤ 12.1 mg/LOct–Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJul–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LApr–Jun001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LJan–Mar001
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LApr–Jun001
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, 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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Your permit document is the final word. As JSON: /api/v1/permits/MO0083241 · MCP: https://passage-data.com/mcp