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Worth County

Coin-Operated Amusement Devices, Northwood, Iowa. NPDES permit IA0084221, in force until Aug 31, 2031. Last 12 months: over a limit once (last August 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 2 required values missing, 2 of 12 reports late

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

Period endingParameterReportedLimitOver by
August 2026Nitrogen, nitrate total [as N], daily maximum18.51813≤ 18.2 lb/d2%

Limits in force (62)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 4.5 mg/Lall year
pHdaily minimum≥ 6.5 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≤ 30 lb/dall year
Solids, total suspended7-day average≤ 46 lb/dall year
Nitrogen, ammonia total [as N]30-day average≤ 5.8 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 6.5 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 3.8 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 4.4 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 5.1 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 2.7 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1.2 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 1.6 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 15.3 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 14.3 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 16 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 9.9 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 12.7 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 11.7 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 5.4 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 6.3 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 3.7 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 3.9 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 1.1 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 1.5 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 2 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 5 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 2.5 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 1.2 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 1.6 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 2.3 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 15.5 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 14.5 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 15 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 16.3 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 9.5 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 12.2 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 15.5 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 15 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 15.9 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 9.7 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 11.2 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 16 lb/dApr
Nitrogen, nitrate total [as N]30-day average≤ 14.9 lb/dall year
Nitrogen, nitrate total [as N]daily maximum≤ 18.2 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≤ 25 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 41 lb/dall year

New limits from Aug 1, 2031

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chloride [as Cl], 30-day average452 mg/Lnew——
Chloride [as Cl], 30-day average443 lb/dnew——
Chloride [as Cl], daily maximum648 lb/dnew——
Chloride [as Cl], daily maximum640 mg/Lnew——

How strict are these limits?

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

Same industry: the 11 Amusement and Recreation 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/IA0084221 · MCP: https://passage-data.com/mcp