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City of Afton

Amusement And Recreation, Afton, Iowa. NPDES permit IA0052182 expired Jul 31, 2020; its limits still apply. Last 12 months: over a limit 6 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 12 reports late

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

Period endingParameterReportedLimitOver by
May 2026Chlorine, total residual, 30-day average.003486≤ .0029 lb/d20%
August 2026Chlorine, total residual, 30-day average.004128≤ .0029 lb/d42%
August 2026Chlorine, total residual, daily maximum.01276≤ .006 lb/d113%
September 2026Chlorine, total residual, 30-day average.014136≤ .0029 lb/d387%
September 2026Chlorine, total residual, 30-day average.015≤ .01 mg/L50%
September 2026Chlorine, total residual, daily maximum.014136≤ .006 lb/d136%

Limits in force (6)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Chlorine, total residual30-day average≤ .01 mg/Lall year
Chlorine, total residualdaily maximum≤ .021 mg/Lall year
Chlorine, total residual30-day average≤ .0029 lb/dall year
Chlorine, total residualdaily maximum≤ .006 lb/dall year

How strict are these limits?

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

Same industry: the 11 Amusement and Recreation Services permits in Iowa.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IA0052182 · MCP: https://passage-data.com/mcp