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Gateway Commercial Condo Owners Assoc.

Civic And Social Associations, Iowa City, Iowa. NPDES permit IA0074985, in force until Apr 30, 2030. Last 12 months: over a limit 7 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (34 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 5 reports late

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

Period endingParameterReportedLimitOver by
October 2025Chloride [as Cl], 30-day average390≤ 389 mg/L0%
November 2025Chloride [as Cl], 30-day average400≤ 389 mg/L3%
December 2025Chloride [as Cl], 30-day average390≤ 389 mg/L0%
January 2026Chloride [as Cl], 30-day average410≤ 389 mg/L5%
February 2026Chloride [as Cl], 30-day average460≤ 389 mg/L18%
March 2026Chloride [as Cl], 30-day average420≤ 389 mg/L8%
April 2026pH, daily maximum9.47≤ 9 SU—

Limits in force (78)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 1 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 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≤ 80 mg/Lall year
Solids, total suspended7-day average≤ 120 mg/Lall year
Solids, total suspended30-day average≤ 65 lb/dall year
Solids, total suspended7-day average≤ 98 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
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 1.6 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 2.5 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 4.2 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 1.2 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 3.6 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 2.6 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 3.6 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 3.7 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 3.9 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 3 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 2.9 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 3.2 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 8.9 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 12.8 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 4.1 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 4.1 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 1.6 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 1.3 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 1.4 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 1 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 2 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 1.4 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 1 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 3.4 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 1 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 2.9 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 2.1 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 2.9 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 2.9 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 3.1 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 2.4 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 3.2 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 2.3 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 4.2 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 2.5 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 7.2 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 2.6 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 10.4 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 lb/dMar
Chloride [as Cl]30-day average≤ 389 mg/Lall year
Chloride [as Cl]daily maximum≤ 629 mg/Lall year
Chloride [as Cl]30-day average≤ 318 lb/dall year
Chloride [as Cl]daily maximum≤ 514 lb/dall year
Copper, total [as Cu]30-day average≤ .01687 mg/Lall year
Copper, total [as Cu]daily maximum≤ .0269 mg/Lall year
Copper, total [as Cu]30-day average≤ .01379 lb/dall year
Copper, total [as Cu]daily maximum≤ .02198 lb/dall year
E. coligeometric mean≤ 126 MPN/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≤ 20 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 33 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/IA0074985 · MCP: https://passage-data.com/mcp