B77/100
GALESBURG — Water Quality Report 2026
Serving 31,620 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0950200
Violations
3
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
PFOA | 0.008 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 GALESBURG
Is GALESBURG water safe to drink?
GALESBURG water receives a grade of B (77/100), which is considered good. Out of 67 contaminants tested, 2 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GALESBURG detected?
67 contaminants were tested in GALESBURG's water. Notable contaminants include PFOA, Copper (90th percentile). 2 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does GALESBURG have any EPA violations?
Yes, GALESBURG has 3 EPA violation(s) on record, with the most recent in 2014. Violation types include Other, TT, MR. 1 are health-based violations.
How many people does GALESBURG serve?
GALESBURG serves approximately 31,620 people, Illinois. The system provides water to 1 community: Galesburg.
What type of water does GALESBURG provide?
GALESBURG sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0950200.
How does GALESBURG compare to other utilities in Illinois?
GALESBURG scores 77/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Illinois state page for a full comparison of water systems.