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City of Sergeant Bluff

Water Supply, Sergeant Bluff, Iowa. NPDES permit IA0052005 expired Oct 31, 2023; its limits still apply. 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 (18 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

Limits in force (18)

ParameterStatisticLimitMonths
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≤ 10.6 lb/dall year
Solids, total suspendeddaily maximum≤ 15.9 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≤ .829 lb/dall year
Iron, total [as Fe]daily maximum≤ .829 lb/dall year
Manganese, total [as Mn]30-day average≤ 3.386 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 3.386 mg/Lall year
Manganese, total [as Mn]30-day average≤ 2.807 lb/dall year
Manganese, total [as Mn]daily maximum≤ 2.807 lb/dall year
Chlorine, total residual30-day average≤ .011 mg/Lall year
Chlorine, total residualdaily maximum≤ .019 mg/Lall year
Chlorine, total residual30-day average≤ .009 lb/dall year
Chlorine, total residualdaily maximum≤ .016 lb/dall year

How strict are these limits?

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

Same industry: the 48 Water Supply 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/IA0052005 · MCP: https://passage-data.com/mcp