A94/100
FORRESTON — Water Quality Report 2026
Serving 1,338 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1410200
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1995.
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 FORRESTON
Is FORRESTON water safe to drink?
FORRESTON water receives a grade of A (94/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has FORRESTON detected?
1 contaminants were tested in FORRESTON's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does FORRESTON have any EPA violations?
Yes, FORRESTON has 3 EPA violation(s) on record, with the most recent in 1995. Violation types include MR.
How many people does FORRESTON serve?
FORRESTON serves approximately 1,338 people, Illinois. The system provides water to 1 community: Forreston.
What type of water does FORRESTON provide?
FORRESTON sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1410200.
How does FORRESTON compare to other utilities in Illinois?
FORRESTON scores 94/100 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.