Water Quality in Dieterich, IL (62420)
EPA violation data for public water systems serving ZIP code 62420.
Active Health Violations
2 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 86% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
4,299
Population
27
Water Systems
33
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (27)
Ej Water Cooperative
Mattoon
All resolvedCharleston
1 health-basedCasey
1 health-basedFinney 76 & Repair
Finney 76 & Repair
Standard Gas Station
Standard Gas Station
Socko Gas Station
Socko Gas Station
Safari Texaco Station
Bottle House
Safari Texaco Station
Bottle House
Hydro Spray Car Wash
All resolvedCasey Motel
Sherwood Forest
Oilfield Restaurant
Staley'S Mobile
Softwater Plus
Round Grove Sportsmen Club
Downey Groc
Casey Motel
Downey Groc
Round Grove Sportsman Club
Staley'S Mobile
Oilfield Grocery
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Cloudiness in water that may indicate the presence of pathogens.
Annual water quality report delivery requirement.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Dieterich (62420) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 33.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.