B62/100
HOFFMAN ESTATES — Water Quality Report 2026
Serving 50,179 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0311290
Violations
10
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1994.
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 HOFFMAN ESTATES
Is HOFFMAN ESTATES water safe to drink?
HOFFMAN ESTATES water receives a grade of B (62/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has HOFFMAN ESTATES detected?
69 contaminants were tested in HOFFMAN ESTATES's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does HOFFMAN ESTATES have any EPA violations?
Yes, HOFFMAN ESTATES has 10 EPA violation(s) on record, with the most recent in 1994. Violation types include MR, MCL. 7 are health-based violations.
How many people does HOFFMAN ESTATES serve?
HOFFMAN ESTATES serves approximately 50,179 people, Illinois. The system provides water to 1 community: Hoffman Estates.
What type of water does HOFFMAN ESTATES provide?
HOFFMAN ESTATES 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 IL0311290.
How does HOFFMAN ESTATES compare to other utilities in Illinois?
HOFFMAN ESTATES scores 62/100 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.