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City of Clermont

Sewage treatment plant, Clermont, Iowa. NPDES permit IA0024465, in force until Sep 30, 2031. Last 12 months: over a limit 8 times (last May 2026), 10 required values missing. Source: EPA ECHO, Oct 22, 2026.

Last report on file
August 2026
Oct 2024 – Sep 2025
15 values over a limit, 15 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
March 2026pH, daily maximum9.1≤ 9 SU—
April 2026Chlorine, total residual, 30-day average.187201≤ .182 lb/d3%
April 2026Chlorine, total residual, 30-day average.52875≤ .482 mg/L10%
April 2026Chlorine, total residual, daily maximum.51341≤ .182 lb/d182%
April 2026Chlorine, total residual, daily maximum.76≤ .482 mg/L58%
April 2026pH, daily maximum9.7≤ 9 SU—
May 2026Chlorine, total residual, daily maximum.59≤ .482 mg/L22%
May 2026pH, daily maximum9.4≤ 9 SU—

Limits in force (26)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 80 mg/Lall year
Solids, total suspended7-day average≤ 120 mg/Lall year
Solids, total suspended30-day average≤ 56 lb/dall year
Solids, total suspended7-day average≤ 84 lb/dall year
Chlorine, total residual30-day average≤ .482 mg/Lall year
Chlorine, total residualdaily maximum≤ .482 mg/Lall year
Chlorine, total residual30-day average≤ .182 lb/dall year
Chlorine, total residualdaily maximum≤ .182 lb/dall year
E. coligeometric mean≤ 126 #/100mLJul
E. coligeometric mean≤ 126 #/100mLApr
E. coligeometric mean≤ 126 #/100mLNov
E. coligeometric mean≤ 126 #/100mLSep
E. coligeometric mean≤ 126 #/100mLAug
E. coligeometric mean≤ 1883 #/100mLFeb
E. coligeometric mean≤ 126 #/100mLOct
E. coligeometric mean≤ 1883 #/100mLDec
E. coligeometric mean≤ 126 #/100mLMar
E. coligeometric mean≤ 1883 #/100mLJan
E. coligeometric mean≤ 126 #/100mLJun
E. coligeometric mean≤ 126 #/100mLMay
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]30-day average≤ 17 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 28 lb/dall year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IA0024465 · MCP: https://passage-data.com/mcp