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Southwest Iowa Renewable Energy

Industrial Organic Chemicals, Council Bluffs, Iowa. NPDES permit IA0081043 expired Dec 31, 2024; its limits still apply. Last 12 months: over a limit 4 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (10 values)
Last report on file
September 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
April 2026Solids, total suspended, 30-day average175.6458≤ 95 lb/d85%
April 2026Solids, total suspended, 30-day average75≤ 30 mg/L150%
April 2026Solids, total suspended, daily maximum175.6458≤ 142 lb/d24%
April 2026Solids, total suspended, daily maximum75≤ 45 mg/L67%

Limits in force (10)

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≤ 95 lb/dall year
Solids, total suspendeddaily maximum≤ 142 lb/dall year
Chlorine, total residual30-day average≤ .21 mg/Lall year
Chlorine, total residualdaily maximum≤ .21 mg/Lall year
Chlorine, total residual30-day average≤ 6.163 lb/dall year
Chlorine, total residualdaily maximum≤ 6.163 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/IA0081043 · MCP: https://passage-data.com/mcp