A86/100
FORREST — Water Quality Report 2026
Serving 1,225 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1050450
Violations
3
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.67 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2011.
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 FORREST
Is FORREST water safe to drink?
FORREST water receives a grade of A (86/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has FORREST detected?
2 contaminants were tested in FORREST's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does FORREST have any EPA violations?
Yes, FORREST has 3 EPA violation(s) on record, with the most recent in 2011. Violation types include Other, MR.
How many people does FORREST serve?
FORREST serves approximately 1,225 people, Illinois. The system provides water to 1 community: Forrest.
What type of water does FORREST provide?
FORREST sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1050450.
How does FORREST compare to other utilities in Illinois?
FORREST scores 86/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Illinois state page for a full comparison of water systems.