Passage Data · Check a report · Use it from your AI

Siouxland Energy Cooperative

Industrial Organic Chemicals, Sioux Center, Iowa. NPDES permit IA0076791, in force until Jan 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (19 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

Limits in force (19)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 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 suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 65.05 lb/dall year
Solids, total suspendeddaily maximum≤ 97.58 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≤ 3434 lb/dall year
Sulfate, total [as SO4]daily maximum≤ 3434 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≤ 2.27 lb/dall year
Iron, total [as Fe]daily maximum≤ 2.27 lb/dall year
Chlorine, total residual30-day average≤ .022 mg/Lall year
Chlorine, total residualdaily maximum≤ .038 mg/Lall year
Chlorine, total residual30-day average≤ .048 lb/dall year
Chlorine, total residualdaily maximum≤ .084 lb/dall year

New limits from Feb 1, 2030

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, 30-day average0.012 mg/Ltighter——
Chlorine, total residual, 30-day average0.028 lb/dtighter——
Chlorine, total residual, daily maximum0.019 mg/Ltighter——
Chlorine, total residual, daily maximum0.046 lb/dtighter——

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.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IA0076791 · MCP: https://passage-data.com/mcp