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City of Greenville

Sewage treatment plant, Greenville, Missouri. NPDES permit MO0093432, in force until Dec 31, 2026. Last 12 months: over a limit 10 times (last May 2026), 2 required values missing, 3 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (18 values), outfall 001 form Q quarterly (4 values), outfall INF form IQ quarterly (2 values), outfall 001 form WA every 60 months
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
25 values over a limit, 0 required values missing, 2 of 20 reports late

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

Period endingParameterReportedLimitOver by
October 2025E. coli, 30-day geometric mean2420≤ 126 #/100mL1821%
October 2025E. coli, 7-day geometric mean2420≤ 630 #/100mL284%
November 2025Nitrogen, ammonia total [as N], monthly average8.14≤ 3.1 mg/L163%
December 2025BOD, 5-day, percent removal, monthly average minimum16≥ 65 %140%
December 2025Nitrogen, ammonia total [as N], monthly average10.2≤ 3.1 mg/L229%
January 2026BOD, 5-day, 20 deg. C, monthly average55≤ 45 mg/L22%
January 2026Nitrogen, ammonia total [as N], daily maximum24.3≤ 12.1 mg/L101%
January 2026Nitrogen, ammonia total [as N], monthly average24.3≤ 3.1 mg/L684%
January 2026Solids, total suspended, monthly average106≤ 80 mg/L33%
May 2026Nitrogen, ammonia total [as N], monthly average5.12≤ 2.2 mg/L133%

Limits in force (42)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Oxygen, dissolved [DO]daily minimumreport only (mg/L)Apr–Oct001
Oxygen, dissolved [DO]monthly average minimumreport only (mg/L)Apr–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 65 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 45 mg/Lall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 120 mg/Lall year001
Solids, total suspendedmonthly average≤ 80 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, ammonia total [as N]daily maximum≤ 12.1 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LAug001
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LFeb001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LSep001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJul001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LMay001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJun001
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LJan, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LAug001
Nitrogen, ammonia total [as N]monthly average≤ 2.7 mg/LFeb001
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LSep001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJul001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 1.7 mg/LJun001
Nitrogen, ammonia total [as N]monthly average≤ 3.1 mg/LJan, Mar, Nov, Dec001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Chlorine, total residualdaily maximum≤ 16 ug/LApr–Oct001
Chlorine, total residualmonthly average≤ 5 ug/LApr–Oct001
E. coli7-day geometric mean≤ 630 #/100mLApr–Oct001
E. coli30-day geometric mean≤ 126 #/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≥ 65 %all year001
Solids, suspended percent removalmonthly average minimum≥ 65 %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.

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/MO0093432 · MCP: https://passage-data.com/mcp