Water Quality in Sioux City, IA (51054)
EPA violation data for public water systems serving ZIP code 51054.
No Health-Based Violations
None of the 14 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are5 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,583
Population
14
Water Systems
5
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (14)
Sioux City Water Supply
All resolvedSergeant Bluff Water Supply
Twenty-Seven Flags Golf Course
Ag Processing - Soy Plant
Terra International, Incorporated
Miracle Corner Mhp
Ag Processing - Refinery
All resolvedU.S. Tanning Company, Inc.
Fmc Corporation
Whiskey Creek (Feedlot)
All resolvedKoch Fertilizer Llc
Prairie Hills
David'S Airport Standard
Whiskey Creek (Schaeff)
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Sioux City (51054) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.