C44/100
KINGSTON — Water Quality Report 2026
Serving 1,160 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0370250
Violations
20
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.43 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Consumer confidence report — content deficiency
When: January 2, 2022 – February 16, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2021 – December 31, 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 KINGSTON
Is KINGSTON water safe to drink?
KINGSTON water receives a grade of C (44/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 20 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has KINGSTON detected?
2 contaminants were tested in KINGSTON's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does KINGSTON have any EPA violations?
Yes, KINGSTON has 20 EPA violation(s) on record, with the most recent in 2022. Violation types include TT, MR, Other. 7 are health-based violations.
How many people does KINGSTON serve?
KINGSTON serves approximately 1,160 people, Illinois. The system provides water to 1 community: Kingston.
What type of water does KINGSTON provide?
KINGSTON sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0370250.
How does KINGSTON compare to other utilities in Illinois?
KINGSTON scores 44/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Illinois state page for a full comparison of water systems.