WaterQ
Illinois State Report All States
Official Status: March 2026

Is Hanover Park tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Hanover Park scores 91/100.

Safety Score
91
out of 100

Still not sure if you need a filter in Hanover Park?

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Hanover Park

Illinois

View Illinois state report Data updated: Mar 2026

Is Hanover Park tap water safe to drink?

Mostly yes — Hanover Park scores 91/100. This report aggregates EPA drinking water data across 1 local system in Hanover Park. We found 104 total violations (3 unresolved).

Real-Time Environment

Live: 08:00 PM
0mm Precipitation

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

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 Hanover Park?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

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

Baby Formula Safety

Mixing baby formula with Hanover Park tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Hanover Park, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (91/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Lead (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 Hanover Park

104
Violations (5yr)
3
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Hanover Park tap water safe to drink?

Mostly yes — Hanover Park scores 91/100.

How many water systems serve Hanover Park?

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

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

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

What is the water quality score for Hanover Park?

The water quality score for Hanover Park is 91 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 Hanover Park?

The top contaminants detected in Hanover Park include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
91/100
Grade
A
Water Systems
1
Population
37,470

Hanover Park Water Quality Summary

Hanover Park, IL receives a water quality score of 91/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Hanover Park'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.

Hanover Park's score of 91 is 25 points above the Illinois state average of 66, 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 →

Key Contaminants

Lead (90th percentile)
0.00146 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Hanover Park (1)

Related

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