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Scott County R-IV School District

Elementary And Secondary Schools, Benton, Missouri. NPDES permit MO0134678, in force until Mar 31, 2027. Last 12 months: over a limit 5 times (last June 2026), 14 required values missing, 2 of 6 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (12 values), outfall INF form IQ quarterly (2 values)
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 4 of 8 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, percent removal, monthly average minimum80.43≥ 85 %30%
December 2025Solids, suspended percent removal, monthly average minimum83.33≥ 85 %11%
March 2026Nitrogen, ammonia total [as N], monthly average6.08≤ 3.9 mg/L56%
June 2026BOD, 5-day, percent removal, monthly average minimum81.17≥ 85 %26%
June 2026BOD, 5-day, percent removal, monthly average minimum81.17≥ 85 %26%

Limits in force (20)

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≤ 14.4 mg/LOct–Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LApr–Jun001
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LJul–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LJan–Mar001
Nitrogen, ammonia total [as N]monthly average≤ 3.4 mg/LOct–Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LApr–Jun001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LJul–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 3.9 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
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 suspendedmedianreport only (mg/L)all yearINF

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/MO0134678 · MCP: https://passage-data.com/mcp