WaterQ
Illinois State Report All States
Official Status: March 2026

Is Mattoon tap water safe to drink?

✓ Generally Safe
B

Generally acceptable, but review local hotspots — score 76/100.

Safety Score
76
out of 100

Still not sure if you need a filter in Mattoon?

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Mattoon

Illinois

View Illinois state report Verified: Apr 2026

Is Mattoon tap water safe to drink?

Generally acceptable, but review local hotspots — score 76/100. This report aggregates EPA drinking water data across 0 local systems in Mattoon. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 07:45 AM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Mattoon.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Mattoon?

Requirement Status
Recommended
🟡
💡

Expert Advice

Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.

Buying a Filter?

Should you buy a water purifier in Mattoon? See our analysis.

Baby Formula Safety

Is Mattoon tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Mattoon, water quality is a key factor in long-term property maintenance. With a score of 76/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Positive / Stable

Health & Family Safety

Current records show no major contaminant spikes, making Mattoon a preferred choice for health-conscious families.

View Health Risk Glossary →

Score Breakdown for Mattoon

EPA Compliance & Violations 85/100
Contaminant Safety Margin 76%

*Scores are calculated using weighted EPA monitoring data from the past 5 years.

Frequently Asked Questions

Is Mattoon tap water safe to drink?

Generally acceptable, but review local hotspots — score 76/100.

How many water systems serve Mattoon?

Mattoon is served by 0 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Mattoon?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Mattoon.

What is the water quality score for Mattoon?

The water quality score for Mattoon is N/A out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Mattoon?

Current contaminant data for Mattoon is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
76/100
Grade
B
Water Systems
2
Population
28,400

Mattoon Water Quality Summary

Mattoon, IL receives a water quality score of 76/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Mattoon's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →

Water Systems Serving Mattoon (0)

Water system data coming soon for Mattoon.

Related

Compare Mattoon water quality: View all states · Contaminant library · How we score water quality