B73/100
BENSENVILLE — Water Quality Report 2026
Serving 18,537 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0434140
Violations
8
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
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: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: 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 BENSENVILLE
Is BENSENVILLE water safe to drink?
BENSENVILLE water receives a grade of B (73/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has BENSENVILLE detected?
69 contaminants were tested in BENSENVILLE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does BENSENVILLE have any EPA violations?
Yes, BENSENVILLE has 8 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MCL. 4 are health-based violations.
How many people does BENSENVILLE serve?
BENSENVILLE serves approximately 18,537 people, Illinois. The system provides water to 1 community: Bensenville.
What type of water does BENSENVILLE provide?
BENSENVILLE 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 IL0434140.
How does BENSENVILLE compare to other utilities in Illinois?
BENSENVILLE scores 73/100 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.