D21/100
WESTVILLE — Water Quality Report 2026
Serving 3,917 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL1830950
Violations
24
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 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 WESTVILLE
Is WESTVILLE water safe to drink?
WESTVILLE water receives a grade of D (21/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 24 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WESTVILLE detected?
34 contaminants were tested in WESTVILLE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WESTVILLE have any EPA violations?
Yes, WESTVILLE has 24 EPA violation(s) on record, with the most recent in 2016. Violation types include Other, MCL, MR. 13 are health-based violations.
How many people does WESTVILLE serve?
WESTVILLE serves approximately 3,917 people, Illinois. The system provides water to 1 community: Westville.
What type of water does WESTVILLE provide?
WESTVILLE 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 IL1830950.
How does WESTVILLE compare to other utilities in Illinois?
WESTVILLE scores 21/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.