Water Quality in Decatur, IL (62535)
EPA violation data for public water systems serving ZIP code 62535.
No Health-Based Violations
None of the 7 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.
3,502
Population
7
Water Systems
5
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (7)
Decatur
All resolvedForsyth
Oreana
Joint App Com-Local 65
Beddingfield Buick
Lincoln Diagnostics
Local 65 Joint Apprentice Comm
Contaminants Found
Annual water quality report delivery requirement.
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jul 2021
How Does This Compare?
Decatur (62535) 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.