A83/100
CLEAR WATER SERVICE CORP — Water Quality Report 2026
Serving 8,900 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0295100
Violations
6
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
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 CLEAR WATER SERVICE CORP
Is CLEAR WATER SERVICE CORP water safe to drink?
CLEAR WATER SERVICE CORP water receives a grade of A (83/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CLEAR WATER SERVICE CORP detected?
31 contaminants were tested in CLEAR WATER SERVICE CORP's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CLEAR WATER SERVICE CORP have any EPA violations?
Yes, CLEAR WATER SERVICE CORP has 6 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, TT. 2 are health-based violations.
How many people does CLEAR WATER SERVICE CORP serve?
CLEAR WATER SERVICE CORP serves approximately 8,900 people, Illinois.
What type of water does CLEAR WATER SERVICE CORP provide?
CLEAR WATER SERVICE CORP sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0295100.
How does CLEAR WATER SERVICE CORP compare to other utilities in Illinois?
CLEAR WATER SERVICE CORP scores 83/100 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.