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City of Mccausland

Sewage treatment plant, Mccausland, Iowa. NPDES permit IA0057185, in force until Oct 31, 2030. Last 12 months: no values over a limit, 8 required values missing, 3 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (8 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 12 required values missing, 0 of 12 reports late

Limits in force (52)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Nitrogen, ammonia total [as N]30-day average≤ 51.5 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 6.9 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 21.8 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 6.9 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 10.1 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 12.2 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 8.3 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 6.9 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 8.3 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 6.9 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 10.1 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 8.3 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 51.5 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 21.8 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 12.2 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 8.3 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 8.3 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 8.3 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 182.3 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 24.3 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 77 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 24.3 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 35.6 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 43.2 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 29.3 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 24.3 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 29.3 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 24.3 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 35.6 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 29.3 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 182.3 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 24.3 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 77 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 24.3 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 35.6 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 43.2 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 29.3 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 24.3 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 29.3 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 24.3 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 35.6 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 29.3 lb/dJul
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

New limits from Oct 1, 2030

ParameterNew limitNew or tighterMedian, last 12 months× new limit
E. coli, geometric mean248 #/100mL (Mar–Nov)new——

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/IA0057185 · MCP: https://passage-data.com/mcp