B77/100
IL AMERICAN-CHICAGO SUBURBAN — Water Quality Report 2026
Serving 11,187 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0315150
Violations
7
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1995.
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-CHICAGO SUBURBAN
Is IL AMERICAN-CHICAGO SUBURBAN water safe to drink?
IL AMERICAN-CHICAGO SUBURBAN water receives a grade of B (77/100), which is considered good. Out of 76 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has IL AMERICAN-CHICAGO SUBURBAN detected?
76 contaminants were tested in IL AMERICAN-CHICAGO SUBURBAN's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does IL AMERICAN-CHICAGO SUBURBAN have any EPA violations?
Yes, IL AMERICAN-CHICAGO SUBURBAN has 7 EPA violation(s) on record, with the most recent in 1995. Violation types include MR, MCL. 4 are health-based violations.
How many people does IL AMERICAN-CHICAGO SUBURBAN serve?
IL AMERICAN-CHICAGO SUBURBAN serves approximately 11,187 people, Illinois.
What type of water does IL AMERICAN-CHICAGO SUBURBAN provide?
IL AMERICAN-CHICAGO 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 IL0315150.
How does IL AMERICAN-CHICAGO SUBURBAN compare to other utilities in Illinois?
IL AMERICAN-CHICAGO SUBURBAN scores 77/100 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.