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Iowa Regional Utilities Association

Sewage treatment plant, Kellogg, Iowa. NPDES permit IA0076848, in force until Jul 31, 2030. Last 12 months: over a limit once (last June 2026), 11 required values missing, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (11 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 2 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimit
June 2026pH, daily maximum9.11≤ 9 SU

Limits in force (55)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 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
Nitrogen, ammonia total [as N]30-day average≤ 3.5 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 2.5 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 2.7 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 2.1 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 2.6 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 4.1 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 3.6 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 2.8 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 3.9 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 2.7 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 4.8 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 3.9 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 2.7 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 2.7 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 3.2 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 2.7 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 19.9 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 32.8 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 16 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 22.8 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 25.4 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 19.6 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 23.9 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 9.2 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 38.1 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 9.7 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 10.2 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 32.9 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 26 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 36 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 24.6 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 44.1 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 36 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 30.3 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 24.6 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 24.6 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 78 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 29.7 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 24.6 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 184.3 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 30.3 lb/dMay
E. coligeometric mean≤ 194 #/100mLMar–Nov
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

How strict are these limits?

Cited limits by parameter: Iowa'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/IA0076848 · MCP: https://passage-data.com/mcp