A87/100
IL AMERICAN-WEST SUBURBAN — Water Quality Report 2026
Serving 73,978 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL1974151
Violations
5
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2007.
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 IL AMERICAN-WEST SUBURBAN
Is IL AMERICAN-WEST SUBURBAN water safe to drink?
IL AMERICAN-WEST SUBURBAN water receives a grade of A (87/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has IL AMERICAN-WEST SUBURBAN detected?
69 contaminants were tested in IL AMERICAN-WEST SUBURBAN's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does IL AMERICAN-WEST SUBURBAN have any EPA violations?
Yes, IL AMERICAN-WEST SUBURBAN has 5 EPA violation(s) on record, with the most recent in 2007. Violation types include MCL, MR. 2 are health-based violations.
How many people does IL AMERICAN-WEST SUBURBAN serve?
IL AMERICAN-WEST SUBURBAN serves approximately 73,978 people, Illinois. The system provides water to 1 community: Bolingbrook.
What type of water does IL AMERICAN-WEST SUBURBAN provide?
IL AMERICAN-WEST SUBURBAN 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 IL1974151.
How does IL AMERICAN-WEST SUBURBAN compare to other utilities in Illinois?
IL AMERICAN-WEST SUBURBAN scores 87/100 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.