A85/100
SOUTH CHICAGO HEIGHTS — Water Quality Report 2026
Serving 3,924 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0312940
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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 SOUTH CHICAGO HEIGHTS
Is SOUTH CHICAGO HEIGHTS water safe to drink?
SOUTH CHICAGO HEIGHTS water receives a grade of A (85/100), which is considered excellent. Out of 34 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SOUTH CHICAGO HEIGHTS detected?
34 contaminants were tested in SOUTH CHICAGO HEIGHTS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SOUTH CHICAGO HEIGHTS have any EPA violations?
Yes, SOUTH CHICAGO HEIGHTS has 4 EPA violation(s) on record, with the most recent in 2016. Violation types include Other, MCL, TT. 2 are health-based violations.
How many people does SOUTH CHICAGO HEIGHTS serve?
SOUTH CHICAGO HEIGHTS serves approximately 3,924 people, Illinois. The system provides water to 1 community: South Chicago Heights.
What type of water does SOUTH CHICAGO HEIGHTS provide?
SOUTH CHICAGO HEIGHTS 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 IL0312940.
How does SOUTH CHICAGO HEIGHTS compare to other utilities in Illinois?
SOUTH CHICAGO HEIGHTS scores 85/100 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.