Water Quality in Decatur, IL (61830)
EPA violation data for public water systems serving ZIP code 61830.
No Health-Based Violations
None of the 6 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There is1 monitoring/reporting violation (missed testing deadlines), all resolved.
Better than 29% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
510
Population
6
Water Systems
1
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (6)
Decatur
All resolvedCisco
Friends Creek Regional Park
Friends Creek Regional Park
Mike Brickers
Mike Brickers
Contaminants Found
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Decatur (61830) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1, 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.