A86/100
CHERRY VALLEY — Water Quality Report 2026
Serving 4,731 people · Illinois
Water Source
Groundwater
County
—
System ID
IL2010050
Violations
6
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 2, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – June 23, 2023Enforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Enforcement: Formal — state order issued
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 CHERRY VALLEY
Is CHERRY VALLEY water safe to drink?
CHERRY VALLEY water receives a grade of A (86/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CHERRY VALLEY detected?
31 contaminants were tested in CHERRY VALLEY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CHERRY VALLEY have any EPA violations?
Yes, CHERRY VALLEY has 6 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, Other, MCL. 2 are health-based violations.
How many people does CHERRY VALLEY serve?
CHERRY VALLEY serves approximately 4,731 people, Illinois. The system provides water to 1 community: Cherry Valley.
What type of water does CHERRY VALLEY provide?
CHERRY VALLEY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL2010050.
How does CHERRY VALLEY compare to other utilities in Illinois?
CHERRY VALLEY scores 86/100 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.