WaterQ
Illinois State Report All States
Official Status: March 2026

Is St Elmo tap water safe to drink?

⚠ Caution Advised
C

Use extra caution — St Elmo scores 54/100.

Safety Score
54
out of 100

Still not sure if you need a filter in St Elmo?

Read Decision Guide →

St Elmo

Illinois

View Illinois state report Data updated: Mar 2026

Is St Elmo tap water safe to drink?

Use extra caution — St Elmo scores 54/100. This report aggregates EPA drinking water data across 0 local systems in St Elmo. We found 0 total violations (0 unresolved).

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in St Elmo?

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 St Elmo? See our analysis.

Baby Formula Safety

Is St Elmo tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to St Elmo, water quality is a key factor in long-term property maintenance. With a score of 54/100, 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 St Elmo a preferred choice for health-conscious families.

View Health Risk Glossary →

Compliance Record for St Elmo

0
Violations (5yr)
0
Unresolved
0
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving St Elmo.

Frequently Asked Questions

Is St Elmo tap water safe to drink?

Use extra caution — St Elmo scores 54/100.

How many water systems serve St Elmo?

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

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

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

What is the water quality score for St Elmo?

The water quality score for St Elmo is 54 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in St Elmo?

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

Water Quality Score
54/100
Grade
D
Water Systems
1
Population
1,272

St Elmo Water Quality Summary

St Elmo, IL receives a water quality score of 54/100 (Grade D) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

St Elmo's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

St Elmo's score of 54 is 15 points below the Illinois state average of 69, and below 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 →

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Water Systems Serving St Elmo (0)

Water system data coming soon for St Elmo.

Related

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