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Don & Lois Knapp

Mobile Home Site Operators, Dubuque, Iowa. NPDES permit IA0071811, in force until Jun 30, 2028. Last 12 months: over a limit 5 times (last June 2026), 8 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (16 values)
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
7 values over a limit, 8 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
November 2025BOD, carbonaceous [5 day, 20 C], 30-day average35≤ 25 mg/L40%
December 2025BOD, carbonaceous [5 day, 20 C], 30-day average78≤ 25 mg/L212%
December 2025BOD, carbonaceous [5 day, 20 C], 7-day average78≤ 40 mg/L95%
June 2026Solids, total suspended, 30-day average93≤ 30 mg/L210%
June 2026Solids, total suspended, 7-day average93≤ 45 mg/L107%

Limits in force (60)

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≤ 1.6 lb/dall year
Solids, total suspended7-day average≤ 2.4 lb/dall year
Nitrogen, ammonia total [as N]30-day average≤ 40.7 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 42 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 37.4 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 39.4 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 41.4 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 42.7 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 38.1 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 39.4 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 36.8 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 38.1 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 45.6 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 40.7 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 40.7 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 42 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 37.4 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 39.4 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 41.4 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 42.7 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 38.1 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 39.4 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 36.8 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 38.1 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 45.6 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 40.7 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 2.1 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 2.2 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 2 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 2.1 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 2.2 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 2.2 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 2 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 2.1 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 1.9 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 2 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 2.4 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 2.1 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 2.1 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 2.2 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 2 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 2.1 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 2.2 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 2.2 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 2 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 2.1 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 1.9 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 2 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 2.4 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 2.1 lb/dApr
E. coligeometric mean≤ 224 #/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≤ 1.3 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 2.1 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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Your permit document is the final word. As JSON: /api/v1/permits/IA0071811 · MCP: https://passage-data.com/mcp