WaterQ
Illinois State Report All States
Official Status: March 2026

Is Oak Forest tap water safe to drink?

✓ Generally Safe
B

Generally acceptable, but review local hotspots — score 75/100.

Safety Score
75
out of 100

Still not sure if you need a filter in Oak Forest?

Read Decision Guide →

Oak Forest

Illinois

View Illinois state report Verified: Apr 2026

Is Oak Forest tap water safe to drink?

Generally acceptable, but review local hotspots — score 75/100. This report aggregates EPA drinking water data across 0 local systems in Oak Forest. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 07:45 PM
0mm Precipitation

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

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 Oak Forest?

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 Oak Forest? See our analysis.

Baby Formula Safety

Is Oak Forest tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Oak Forest, water quality is a key factor in long-term property maintenance. With a score of 75/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for Oak Forest

EPA Compliance & Violations 85/100
Contaminant Safety Margin 75%

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

Frequently Asked Questions

Is Oak Forest tap water safe to drink?

Generally acceptable, but review local hotspots — score 75/100.

How many water systems serve Oak Forest?

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

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

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

What is the water quality score for Oak Forest?

The water quality score for Oak Forest 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 Oak Forest?

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

Water Quality Score
75/100
Grade
B
Water Systems
1
Population
27,478

Oak Forest Water Quality Summary

Oak Forest, IL receives a water quality score of 75/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

Oak Forest'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.

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

Water Systems Serving Oak Forest (0)

Water system data coming soon for Oak Forest.

Related

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