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City of Green City

Sewage treatment plant, Green City, Missouri. NPDES permit MO0112135 expired Mar 31, 2022; its limits still apply. Last 12 months: no values over a limit, 13 required values missing, 1 of 3 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form B quarterly (13 values)
Last report on file
March 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 4 reports late

Limits in force (13)

ParameterStatisticLimitMonths
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
Solids, total suspendedweekly average≤ 110 mg/Lall year
Solids, total suspendedmonthly average≤ 70 mg/Lall year
Oil and grease [soxhlet extr.] tot.daily maximumreport only (mg/L)all year
Oil and grease [soxhlet extr.] tot.monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)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
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year
Solids, suspended percent removalmonthly average minimum≥ 65 %all year

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/MO0112135 · MCP: https://passage-data.com/mcp