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Havenpark Management

Civic And Social Associations, Iowa City, Iowa. NPDES permit IA0074284, in force until May 31, 2030. Last 12 months: over a limit 33 times (last August 2026), 51 required values missing, 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (32 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 195 required values missing, 6 of 12 reports late

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

All 33 values over a limit
Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], 30-day average10.53058≤ 2.7 lb/d290%
December 2025Nitrogen, ammonia total [as N], 30-day average11.16≤ 2.5 mg/L346%
January 2026BOD, carbonaceous [5 day, 20 C], 30-day average26.75≤ 25 mg/L7%
January 2026BOD, carbonaceous [5 day, 20 C], 7-day average66.46312≤ 43 lb/d55%
January 2026BOD, carbonaceous [5 day, 20 C], 7-day average87≤ 40 mg/L118%
January 2026Solids, total suspended, 30-day average43.27938≤ 33 lb/d31%
January 2026Solids, total suspended, 30-day average57.75≤ 30 mg/L93%
January 2026Solids, total suspended, 7-day average122.231≤ 49 lb/d149%
January 2026Solids, total suspended, 7-day average160≤ 45 mg/L256%
February 2026BOD, carbonaceous [5 day, 20 C], 30-day average26.5≤ 25 mg/L6%
February 2026BOD, carbonaceous [5 day, 20 C], 7-day average44≤ 40 mg/L10%
February 2026Solids, total suspended, 30-day average64.5≤ 30 mg/L115%
February 2026Solids, total suspended, 7-day average95≤ 45 mg/L111%
March 2026BOD, carbonaceous [5 day, 20 C], 7-day average48≤ 40 mg/L20%
March 2026BOD, carbonaceous [5 day, 20 C], 7-day average48.15849≤ 43 lb/d12%
March 2026Solids, total suspended, 30-day average43.87569≤ 33 lb/d33%
March 2026Solids, total suspended, 30-day average44.25≤ 30 mg/L48%
March 2026Solids, total suspended, 7-day average90≤ 45 mg/L100%
March 2026Solids, total suspended, 7-day average91.64826≤ 49 lb/d87%
May 2026Chlorine, total residual, daily maximum.02≤ .019 mg/L5%
June 2026Nitrogen, ammonia total [as N], 30-day average1.625≤ 1.3 mg/L25%
June 2026Nitrogen, ammonia total [as N], 30-day average2.08404≤ 1.4 lb/d49%
July 2026BOD, carbonaceous [5 day, 20 C], 30-day average203.6411≤ 27 lb/d654%
July 2026BOD, carbonaceous [5 day, 20 C], 7-day average329.9304≤ 43 lb/d667%
July 2026BOD, carbonaceous [5 day, 20 C], 7-day average46≤ 40 mg/L15%
July 2026Nitrogen, ammonia total [as N], 30-day average65.22947≤ 1.1 lb/d5830%
July 2026Nitrogen, ammonia total [as N], 30-day average7.58≤ 1 mg/L658%
July 2026Nitrogen, ammonia total [as N], daily maximum129.1032≤ 13.2 lb/d878%
July 2026Nitrogen, ammonia total [as N], daily maximum18≤ 12.8 mg/L41%
July 2026Solids, total suspended, 30-day average123.1584≤ 33 lb/d273%
July 2026Solids, total suspended, 7-day average222.3444≤ 49 lb/d354%
August 2026Nitrogen, ammonia total [as N], 30-day average6.88934≤ 1 lb/d589%
August 2026Nitrogen, ammonia total [as N], 30-day average7.05≤ 1 mg/L605%

Limits in force (76)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
pH30-day averagereport only (SU)all year
pHdaily maximumreport only (SU)all year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 33 lb/dall year
Solids, total suspended7-day average≤ 49 lb/dall year
Solids, total suspended30-day averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspended30-day averagereport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Oil & Grease30-day average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 1.6 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 2.5 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 14.2 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 12.3 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 16 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 12.8 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 3.7 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 3.7 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 4.3 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 1 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 1.7 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 1.1 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 2.5 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 1.9 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 2.7 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 1.1 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 1.7 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 1.4 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 16.5 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 15.9 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 15.4 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 12.8 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 17 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 15.3 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 15.9 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 16.5 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 17.3 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 13.2 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 17 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 lb/dJun
Chlorine, total residual30-day average≤ .009 mg/Lall year
Chlorine, total residualdaily maximum≤ .019 mg/Lall year
Chlorine, total residual30-day average≤ .01 lb/dall year
Chlorine, total residualdaily maximum≤ .021 lb/dall year
E. coligeometric mean≤ 126 #/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≤ 27 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 43 lb/dall year

How strict are these limits?

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

Same industry: the 24 Membership Organizations permits in Iowa.

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Your permit document is the final word. As JSON: /api/v1/permits/IA0074284 · MCP: https://passage-data.com/mcp