D38/100
CANTON — Water Quality Report 2026
Serving 16,748 people · Illinois
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
IL0570250
Violations
28
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
1,4-dioxane | 0.386 µg/L | — | Above Goal |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
1
Unresolved
0
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 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – June 30, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2022 – January 9, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – August 1, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: October 14, 2021 – December 6, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 CANTON
Is CANTON water safe to drink?
CANTON water receives a grade of D (38/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 28 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CANTON detected?
69 contaminants were tested in CANTON's water. Notable contaminants include Lead (90th percentile), 1,4-dioxane. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does CANTON have any EPA violations?
Yes, CANTON has 28 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MR, Other. 7 are health-based violations.
How many people does CANTON serve?
CANTON serves approximately 16,748 people, Illinois. The system provides water to 1 community: Canton.
What type of water does CANTON provide?
CANTON sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL0570250.
How does CANTON compare to other utilities in Illinois?
CANTON scores 38/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.