A95/100
GLEN ELLYN HEIGHTS SUBDIVISION — Water Quality Report 2026
Serving 1,931 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0435500
Violations
5
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – February 27, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 GLEN ELLYN HEIGHTS SUBDIVISION
Is GLEN ELLYN HEIGHTS SUBDIVISION water safe to drink?
GLEN ELLYN HEIGHTS SUBDIVISION water receives a grade of A (95/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has GLEN ELLYN HEIGHTS SUBDIVISION detected?
1 contaminants were tested in GLEN ELLYN HEIGHTS SUBDIVISION's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GLEN ELLYN HEIGHTS SUBDIVISION have any EPA violations?
Yes, GLEN ELLYN HEIGHTS SUBDIVISION has 5 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does GLEN ELLYN HEIGHTS SUBDIVISION serve?
GLEN ELLYN HEIGHTS SUBDIVISION serves approximately 1,931 people, Illinois.
What type of water does GLEN ELLYN HEIGHTS SUBDIVISION provide?
GLEN ELLYN HEIGHTS SUBDIVISION 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 IL0435500.
How does GLEN ELLYN HEIGHTS SUBDIVISION compare to other utilities in Illinois?
GLEN ELLYN HEIGHTS SUBDIVISION scores 95/100 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.