Water Quality in Sioux City, IA (51030)
EPA violation data for public water systems serving ZIP code 51030.
No Health-Based Violations
None of the 5 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 48% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,468
Population
5
Water Systems
4
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (5)
Sioux City Water Supply
All resolvedLawton Water Supply
All resolvedHillside Water Works
Lil'S Little General Store
Agrivision Equipment Group (Lawton)
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Sioux City (51030) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, 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.