B73/100
CLIFTON — Water Quality Report 2026
Serving 1,500 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0750250
Violations
12
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.70 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2005.
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 CLIFTON
Is CLIFTON water safe to drink?
CLIFTON water receives a grade of B (73/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CLIFTON detected?
2 contaminants were tested in CLIFTON's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CLIFTON have any EPA violations?
Yes, CLIFTON has 12 EPA violation(s) on record, with the most recent in 2005. Violation types include Other, MR, TT. 1 are health-based violations.
How many people does CLIFTON serve?
CLIFTON serves approximately 1,500 people, Illinois. The system provides water to 1 community: Clifton.
What type of water does CLIFTON provide?
CLIFTON sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0750250.
How does CLIFTON compare to other utilities in Illinois?
CLIFTON 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.