A98/100
GLENCOE — Water Quality Report 2026
Serving 8,849 people · Illinois
Water Source
Surface Water
County
—
System ID
IL0310990
Violations
2
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2010.
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 GLENCOE
Is GLENCOE water safe to drink?
GLENCOE water receives a grade of A (98/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has GLENCOE detected?
31 contaminants were tested in GLENCOE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GLENCOE have any EPA violations?
Yes, GLENCOE has 2 EPA violation(s) on record, with the most recent in 2010. Violation types include MR.
How many people does GLENCOE serve?
GLENCOE serves approximately 8,849 people, Illinois. The system provides water to 1 community: Forest Park.
What type of water does GLENCOE provide?
GLENCOE sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL0310990.
How does GLENCOE compare to other utilities in Illinois?
GLENCOE scores 98/100 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.