C48/100
CLINTON — Water Quality Report 2026
Serving 7,128 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0390050
Violations
16
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
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 CLINTON
Is CLINTON water safe to drink?
CLINTON water receives a grade of C (48/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 16 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CLINTON detected?
31 contaminants were tested in CLINTON's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CLINTON have any EPA violations?
Yes, CLINTON has 16 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MCL, MR. 9 are health-based violations.
How many people does CLINTON serve?
CLINTON serves approximately 7,128 people, Illinois. The system provides water to 1 community: Clinton.
What type of water does CLINTON provide?
CLINTON sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0390050.
How does CLINTON compare to other utilities in Illinois?
CLINTON scores 48/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Illinois state page for a full comparison of water systems.