Centralia
Is Centralia tap water safe to drink?
Mostly yes — Centralia scores 82/100. This report aggregates EPA drinking water data across 9 local systems in Centralia. We found 197 total violations (82 unresolved).
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Centralia?
Expert Advice
Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.
Buying a Filter?
Wondering if Centralia tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Centralia tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Centralia, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (82/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Centralia
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Centralia.
Frequently Asked Questions
Is Centralia tap water safe to drink?
Mostly yes — Centralia scores 82/100.
How many water systems serve Centralia?
Centralia is served by 9 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Centralia?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Centralia.
What is the water quality score for Centralia?
The water quality score for Centralia is 82 out of 100, based on EPA contaminant data, violation history, and testing results across the 9 systems serving the city.
What are the top contaminants in Centralia?
The top contaminants detected in Centralia include Lead (90th percentile). View detailed information on our contaminants page.
Centralia Water Quality Summary
Centralia, IL receives a water quality score of 82/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 9 public water systems serving the area.
Centralia's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Centralia's score of 82 is 16 points above the Illinois state average of 66, and above the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Illinois water quality rankings report →
Key Contaminants
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Water Systems Serving Centralia (9)
Irvington
BCarlyle Southwest Pwd
CWalnut Hill
AHoyleton Rwc
BCentralia Correctional Site
AWamac
BClinton County East Pwd
BRaccoon Water Company
BCentralia
CCheck Your Specific Address
Water quality can vary by neighborhood in Centralia.
Related
Quick compare in Illinois
Compare Centralia water quality: View all states · Contaminant library · How we score water quality