C50/100
PARK FOREST — Water Quality Report 2026
Serving 21,975 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0314740
Violations
39
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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
Frequently Asked Questions About PARK FOREST
Is PARK FOREST water safe to drink?
PARK FOREST water receives a grade of C (50/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 39 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PARK FOREST detected?
66 contaminants were tested in PARK FOREST's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PARK FOREST have any EPA violations?
Yes, PARK FOREST has 39 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, MCL, Other. 2 are health-based violations.
How many people does PARK FOREST serve?
PARK FOREST serves approximately 21,975 people, Illinois. The system provides water to 1 community: Park Forest.
What type of water does PARK FOREST provide?
PARK FOREST sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0314740.
How does PARK FOREST compare to other utilities in Illinois?
PARK FOREST scores 50/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Illinois state page for a full comparison of water systems.