WaterQ
Illinois State Report All States
Official Status: March 2026

Is Carpentersville tap water safe to drink?

⚠ Caution Advised
C

Use extra caution — Carpentersville scores 61/100.

Safety Score
61
out of 100

Still not sure if you need a filter in Carpentersville?

Read Decision Guide →

Carpentersville

Illinois

View Illinois state report Data updated: Mar 2026

Is Carpentersville tap water safe to drink?

Use extra caution — Carpentersville scores 61/100. This report aggregates EPA drinking water data across 1 local system in Carpentersville. We found 19 total violations (17 unresolved).

Real-Time Environment

Live: 12:15 AM
0mm Precipitation

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

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 Carpentersville?

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 Carpentersville tap water needs filtering? We break it down.

Baby Formula Safety

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

Homebuyer's Perspective

If you're house-hunting in Carpentersville, water quality belongs on your due-diligence checklist alongside schools and crime data. With a score of 61/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

Residents should monitor Copper (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 Carpentersville

19
Violations (5yr)
17
Unresolved
2
Contaminants Tracked
1
Exceeding EPA Limit

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

Frequently Asked Questions

Is Carpentersville tap water safe to drink?

Use extra caution — Carpentersville scores 61/100.

How many water systems serve Carpentersville?

Carpentersville is served by 1 public water system in our latest EPA-backed dataset.

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

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

What is the water quality score for Carpentersville?

The water quality score for Carpentersville is 61 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.

What are the top contaminants in Carpentersville?

The top contaminants detected in Carpentersville include Copper (90th percentile), Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
61/100
Grade
C
Water Systems
1
Population
37,983

Carpentersville Water Quality Summary

Carpentersville, IL receives a water quality score of 61/100 (Grade C) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Carpentersville'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.

Carpentersville's score of 61 is 5 points below the Illinois state average of 66, 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 →

Key Contaminants

Copper (90th percentile) Violation
1.4 / 1.3 mg/L
0 mg/L MCL: 1.3 mg/L
Lead (90th percentile)
0.0016 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Carpentersville (1)

Related

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