A85/100
ELK GROVE VILLAGE — Water Quality Report 2026
Serving 34,700 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0314400
Violations
7
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – September 30, 2023Enforcement: 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 ELK GROVE VILLAGE
Is ELK GROVE VILLAGE water safe to drink?
ELK GROVE VILLAGE water receives a grade of A (85/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has ELK GROVE VILLAGE detected?
69 contaminants were tested in ELK GROVE VILLAGE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ELK GROVE VILLAGE have any EPA violations?
Yes, ELK GROVE VILLAGE has 7 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 2 are health-based violations.
How many people does ELK GROVE VILLAGE serve?
ELK GROVE VILLAGE serves approximately 34,700 people, Illinois. The system provides water to 1 community: Elk Grove.
What type of water does ELK GROVE VILLAGE provide?
ELK GROVE VILLAGE 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 IL0314400.
How does ELK GROVE VILLAGE compare to other utilities in Illinois?
ELK GROVE VILLAGE 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.