WaterQ
Illinois State Report All States
Official Status: March 2026

Is Warren tap water safe to drink?

⚠ Caution Advised
C

Use extra caution — Warren scores 64/100.

Safety Score
64
out of 100

Still not sure if you need a filter in Warren?

Read Decision Guide →

Warren

Illinois

View Illinois state report Verified: Apr 2026

Is Warren tap water safe to drink?

Use extra caution — Warren scores 64/100. This report aggregates EPA drinking water data across 0 local systems in Warren. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 02:30 PM
0mm Precipitation

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

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 Warren?

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 Warren? See our analysis.

Baby Formula Safety

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

Homebuyer's Perspective

For those looking to relocate to Warren, water quality is a key factor in long-term property maintenance. With a score of 64/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for Warren

EPA Compliance & Violations 60/100
Contaminant Safety Margin 64%

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

Frequently Asked Questions

Is Warren tap water safe to drink?

Use extra caution — Warren scores 64/100.

How many water systems serve Warren?

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

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

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

What is the water quality score for Warren?

The water quality score for Warren 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 Warren?

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

Water Quality Score
64/100
Grade
C
Water Systems
1
Population
1,323

Warren Water Quality Summary

Warren, IL receives a water quality score of 64/100 (Grade C) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Warren'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 Warren (0)

Water system data coming soon for Warren.

Related

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