A95/100
Country Club Hills Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 16,500 residents · Illinois
What's In Country Club Hills's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
COUNTRY CLUB HILLS
Population Served
16,500
Water Source
Purchased Surface Water
System ID
IL0310540
Frequently Asked Questions About Country Club Hills Water
Is Country Club Hills tap water safe to drink?
Country Club Hills, Illinois tap water receives a grade of A (95/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Country Club Hills's water?
69 contaminants were tested in Country Club Hills's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Country Club Hills have any water quality violations?
Yes, Country Club Hills has 5 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR. None of these are classified as health-based violations.
Do I need a water filter in Country Club Hills?
Country Club Hills water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Country Club Hills's tap water come from?
Country Club Hills's drinking water is sourced from purchased surface water and supplied by COUNTRY CLUB HILLS. The system serves approximately 16,500 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Country Club Hills's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Country Club Hills's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Country Club Hills's water compare to other cities in Illinois?
Country Club Hills's water quality score of 95/100 earns a grade of A, which is considered excellent. This places Country Club Hills among the better-performing water systems in Illinois. Visit our Illinois state page to see how all cities in the state compare.
What should I do if I'm concerned about Country Club Hills's water quality?
If you have concerns about Country Club Hills's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (COUNTRY CLUB HILLS) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.