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Cottage Reserve Corporation

Real Estate Agents And Managers, Solon, Iowa. NPDES permit IA0068331, in force until Sep 30, 2027. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (12 values)
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 2 of 12 reports late

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

Period endingParameterReportedLimitOver by
June 2026E. coli, geometric mean218.1023≤ 128 #/100mL70%

Limits in force (20)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 1 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 5.5 lb/dall year
Solids, total suspended7-day average≤ 8.3 lb/dall year
Nitrogen, ammonia total [as N]30-day average≤ 28.2 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 16.8 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 28.2 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 16.8 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 5.1 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 3.1 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 5.1 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 3.1 lb/dAug
E. coligeometric mean≤ 128 #/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
BOD, carbonaceous [5 day, 20 C]30-day average≤ 4.6 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 7.3 lb/dall year

How strict are these limits?

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

Same industry: the 53 Real Estate 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/IA0068331 · MCP: https://passage-data.com/mcp