A94/100
RANTOUL — Water Quality Report 2026
Serving 13,000 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0190650
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
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 RANTOUL
Is RANTOUL water safe to drink?
RANTOUL water receives a grade of A (94/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has RANTOUL detected?
66 contaminants were tested in RANTOUL's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does RANTOUL have any EPA violations?
Yes, RANTOUL has 3 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR.
How many people does RANTOUL serve?
RANTOUL serves approximately 13,000 people, Illinois. The system provides water to 1 community: Rantoul.
What type of water does RANTOUL provide?
RANTOUL sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0190650.
How does RANTOUL compare to other utilities in Illinois?
RANTOUL scores 94/100 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.