A84/100
COLONA EAST — Water Quality Report 2026
Serving 2,501 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0730400
Violations
13
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2001.
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 COLONA EAST
Is COLONA EAST water safe to drink?
COLONA EAST water receives a grade of A (84/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has COLONA EAST detected?
1 contaminants were tested in COLONA EAST's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does COLONA EAST have any EPA violations?
Yes, COLONA EAST has 13 EPA violation(s) on record, with the most recent in 2001. Violation types include MR, Other.
How many people does COLONA EAST serve?
COLONA EAST serves approximately 2,501 people, Illinois. The system provides water to 1 community: Colona.
What type of water does COLONA EAST provide?
COLONA EAST sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0730400.
How does COLONA EAST compare to other utilities in Illinois?
COLONA EAST scores 84/100 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.