F0/100
ROCKTON — Water Quality Report 2026
Serving 7,685 people · Illinois
Water Source
Groundwater
County
—
System ID
IL2010350
Violations
40
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.70 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Consumer confidence report — content deficiency
When: April 2, 2023 – May 19, 2023Rule: 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 ROCKTON
Is ROCKTON water safe to drink?
ROCKTON water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 40 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ROCKTON detected?
32 contaminants were tested in ROCKTON's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does ROCKTON have any EPA violations?
Yes, ROCKTON has 40 EPA violation(s) on record, with the most recent in 2023. Violation types include TT, MCL, MR. 29 are health-based violations.
How many people does ROCKTON serve?
ROCKTON serves approximately 7,685 people, Illinois. The system provides water to 1 community: Rockton.
What type of water does ROCKTON provide?
ROCKTON sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL2010350.
How does ROCKTON compare to other utilities in Illinois?
ROCKTON scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.