A95/100
Evergreen Park Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 19,943 residents · Illinois
What's In Evergreen Park's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.009 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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
EVERGREEN PARK
Population Served
19,943
Water Source
Purchased Surface Water
System ID
IL0310840
Frequently Asked Questions About Evergreen Park Water
Is Evergreen Park tap water safe to drink?
Evergreen Park, 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) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Evergreen Park's water?
Of the 69 contaminants tested in Evergreen Park's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Evergreen Park have any water quality violations?
Yes, Evergreen Park has 2 EPA violation(s) on record, with the most recent in 2016. Violation types include Other, MR. None of these are classified as health-based violations.
Do I need a water filter in Evergreen Park?
Evergreen Park 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. 1 contaminant(s) exceed these stricter goals.
Where does Evergreen Park's tap water come from?
Evergreen Park's drinking water is sourced from purchased surface water and supplied by EVERGREEN PARK. The system serves approximately 19,943 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Evergreen Park'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. Evergreen Park'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 Evergreen Park's water compare to other cities in Illinois?
Evergreen Park's water quality score of 95/100 earns a grade of A, which is considered excellent. This places Evergreen Park 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 Evergreen Park's water quality?
If you have concerns about Evergreen Park'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 (EVERGREEN PARK) 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.