B67/100
GURNEE — Water Quality Report 2026
Serving 30,193 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0970350
Violations
14
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 GURNEE
Is GURNEE water safe to drink?
GURNEE water receives a grade of B (67/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GURNEE detected?
69 contaminants were tested in GURNEE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GURNEE have any EPA violations?
Yes, GURNEE has 14 EPA violation(s) on record, with the most recent in 2020. Violation types include MON, MR, Other. 4 are health-based violations.
How many people does GURNEE serve?
GURNEE serves approximately 30,193 people, Illinois. The system provides water to 1 community: Gurnee.
What type of water does GURNEE provide?
GURNEE sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL0970350.
How does GURNEE compare to other utilities in Illinois?
GURNEE scores 67/100 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.