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The University of Iowa

Colleges And Universities, Iowa City, Iowa. NPDES permit IA0069159, in force until Feb 28, 2030. Last 12 months: over a limit 2 times (last June 2026), 12 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 003 form A monthly (6 values), outfall 017 form A monthly (6 values), outfall 018 form A monthly (6 values), outfall 019 form A monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 78 reports late

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

Period endingParameterReportedLimitOver by
June 2026Chlorine, total residual, 30-day average.086222≤ .036 lb/d140%
June 2026Chlorine, total residual, daily maximum.086222≤ .036 lb/d140%

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year003
pHdaily maximum≤ 9.6 SUall year003
Chlorine, total residual30-day average≤ .153 mg/Lall year003
Chlorine, total residualdaily maximum≤ .229 mg/Lall year003
Chlorine, total residual30-day average≤ .27 lb/dall year003
Chlorine, total residualdaily maximum≤ .275 lb/dall year003
pHdaily minimum≥ 6 SUall year017
pHdaily maximum≤ 9.6 SUall year017
Chlorine, total residual30-day average≤ .208 mg/Lall year017
Chlorine, total residualdaily maximum≤ .253 mg/Lall year017
Chlorine, total residual30-day average≤ .036 lb/dall year017
Chlorine, total residualdaily maximum≤ .036 lb/dall year017
pHdaily minimum≥ 6 SUall year018
pHdaily maximum≤ 9.6 SUall year018
Chlorine, total residual30-day average≤ .153 mg/Lall year018
Chlorine, total residualdaily maximum≤ .229 mg/Lall year018
Chlorine, total residual30-day average≤ .013 lb/dall year018
Chlorine, total residualdaily maximum≤ .013 lb/dall year018
pHdaily minimum≥ 6.4 SUall year019
pHdaily maximum≤ 9.6 SUall year019
Chlorine, total residual30-day average≤ .344 mg/Lall year019
Chlorine, total residualdaily maximum≤ .344 mg/Lall year019
Chlorine, total residual30-day average≤ .019 lb/dall year019
Chlorine, total residualdaily maximum≤ .019 lb/dall year019

New limits from Mar 1, 2029

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, 30-day average0.0143 mg/Ltighter——
Chlorine, total residual, 30-day average0.0007 lb/dtighter——
Chlorine, total residual, daily maximum0.0195 mg/Ltighter——
Chlorine, total residual, daily maximum0.001 lb/dtighter——

How strict are these limits?

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/IA0069159 · MCP: https://passage-data.com/mcp