A95/100
HAMILTON COUNTY WATER DISTRICT — Water Quality Report 2026
Serving 3,958 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL0651000
Violations
5
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
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 HAMILTON COUNTY WATER DISTRICT
Is HAMILTON COUNTY WATER DISTRICT water safe to drink?
HAMILTON COUNTY WATER DISTRICT water receives a grade of A (95/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has HAMILTON COUNTY WATER DISTRICT detected?
31 contaminants were tested in HAMILTON COUNTY WATER DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does HAMILTON COUNTY WATER DISTRICT have any EPA violations?
Yes, HAMILTON COUNTY WATER DISTRICT has 5 EPA violation(s) on record, with the most recent in 2021. Violation types include MR.
How many people does HAMILTON COUNTY WATER DISTRICT serve?
HAMILTON COUNTY WATER DISTRICT serves approximately 3,958 people, Illinois.
What type of water does HAMILTON COUNTY WATER DISTRICT provide?
HAMILTON COUNTY WATER DISTRICT 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 IL0651000.
How does HAMILTON COUNTY WATER DISTRICT compare to other utilities in Illinois?
HAMILTON COUNTY WATER DISTRICT scores 95/100 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.