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Jim Gillingham

Industrial Organic Chemicals, Fort Dodge, Iowa. NPDES permit IA0079227 expired May 31, 2015; its limits still apply. Last 12 months: over a limit once (last November 2025), 18 required values missing. 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
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
November 2025Iron, total [as Fe], daily maximum1.08≤ 1 mg/L8%

Limits in force (18)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 84 lb/dall year
Solids, total suspendeddaily maximum≤ 126 lb/dall year
Sulfate, total [as SO4]30-day average≤ 1514 mg/Lall year
Sulfate, total [as SO4]daily maximum≤ 1514 mg/Lall year
Sulfate, total [as SO4]30-day average≤ 4239 lb/dall year
Sulfate, total [as SO4]daily maximum≤ 4239 lb/dall year
Iron, total [as Fe]30-day average≤ 1 mg/Lall year
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year
Iron, total [as Fe]30-day average≤ 6.84 lb/dall year
Iron, total [as Fe]daily maximum≤ 6.84 lb/dall year
Chlorine, total residual30-day average≤ .902 mg/Lall year
Chlorine, total residualdaily maximum≤ .902 mg/Lall year
Chlorine, total residual30-day average≤ 43.6 lb/dall year
Chlorine, total residualdaily maximum≤ 43.6 lb/dall year

How strict are these limits?

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

Same industry: the 57 Chemicals and Allied Products 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/IA0079227 · MCP: https://passage-data.com/mcp