WaterQ
Illinois State Report All States
Official Status: March 2026

Is Johnsburg tap water safe to drink?

⚠ Caution Advised
D

Use extra caution — Johnsburg scores 48/100.

Safety Score
48
out of 100

Still not sure if you need a filter in Johnsburg?

Read Decision Guide →

Johnsburg

Illinois

View Illinois state report Verified: Apr 2026

Is Johnsburg tap water safe to drink?

Use extra caution — Johnsburg scores 48/100. This report aggregates EPA drinking water data across 0 local systems in Johnsburg. 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 Johnsburg.

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 Johnsburg?

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 Johnsburg? See our analysis.

Baby Formula Safety

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

Homebuyer's Perspective

For those looking to relocate to Johnsburg, water quality is a key factor in long-term property maintenance. With a score of 48/100, 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 Johnsburg a preferred choice for health-conscious families.

View Health Risk Glossary →

Score Breakdown for Johnsburg

EPA Compliance & Violations 60/100
Contaminant Safety Margin 48%

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

Frequently Asked Questions

Is Johnsburg tap water safe to drink?

Use extra caution — Johnsburg scores 48/100.

How many water systems serve Johnsburg?

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

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

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

What is the water quality score for Johnsburg?

The water quality score for Johnsburg 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 Johnsburg?

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

Water Quality Score
48/100
Grade
D
Water Systems
1
Population
1,124

Johnsburg Water Quality Summary

Johnsburg, IL receives a water quality score of 48/100 (Grade D) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Johnsburg'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.

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

Water Systems Serving Johnsburg (0)

Water system data coming soon for Johnsburg.

Related

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