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The University of Iowa

Colleges And Universities, Coralville, Iowa. NPDES permit IA0079235, in force until Aug 31, 2031. Last 12 months: no values over a limit. 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, 0 of 36 reports late

Limits in force (6)

Parameter	Statistic	Limit	Months
pH	daily minimum	≥ 6 SU	all year
pH	daily maximum	≤ 9 SU	all year
Chlorine, total residual	30-day average	≤ .013 mg/L	all year
Chlorine, total residual	daily maximum	≤ .023 mg/L	all year
Chlorine, total residual	30-day average	≤ .008 lb/d	all year
Chlorine, total residual	daily maximum	≤ .014 lb/d	all year

How strict are these limits?

Chlorine, total residual, 30-day average .013 mg/L — stricter than 67% of 106 other minor industrial and other permits in Iowa; 2% have the same limit
Chlorine, total residual, daily maximum .023 mg/L — stricter than 66% of 107 other minor industrial and other permits in Iowa

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

Same industry: the 30 Educational 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/IA0079235 · MCP: https://passage-data.com/mcp