WaterQ
Illinois State Report All States
Official Status: March 2026

Is Lemont tap water safe to drink?

✓ Generally Safe
B

Mostly yes — Lemont scores 82/100.

Safety Score
82
out of 100

Still not sure if you need a filter in Lemont?

Read Decision Guide →

Lemont

Illinois

View Illinois state report Data updated: Mar 2026

Is Lemont tap water safe to drink?

Mostly yes — Lemont scores 82/100. This report aggregates EPA drinking water data across 0 local systems in Lemont. We found 0 total violations (0 unresolved).

🛡️ Home Water Treatment Needs

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

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?

Wondering if Lemont tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Lemont tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Lemont, 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.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Compliance Record for Lemont

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 Lemont.

Frequently Asked Questions

Is Lemont tap water safe to drink?

Mostly yes — Lemont scores 82/100.

How many water systems serve Lemont?

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

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

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

What is the water quality score for Lemont?

The water quality score for Lemont is 82 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Lemont?

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

Water Quality Score
82/100
Grade
B
Water Systems
1
Population
17,500

Lemont Water Quality Summary

Lemont, IL receives a water quality score of 82/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Lemont'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.

Lemont's score of 82 is 13 points above the Illinois state average of 69, 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 →

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Water Systems Serving Lemont (0)

Water system data coming soon for Lemont.

Related

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