F0/100
AQUA ILLINOIS-VERMILION COUNTY — Water Quality Report 2026
Serving 30,106 people · Illinois
Water Source
Surface Water
County
—
System ID
IL1835120
Violations
31
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
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
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
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 AQUA ILLINOIS-VERMILION COUNTY
Is AQUA ILLINOIS-VERMILION COUNTY water safe to drink?
AQUA ILLINOIS-VERMILION COUNTY water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 31 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has AQUA ILLINOIS-VERMILION COUNTY detected?
69 contaminants were tested in AQUA ILLINOIS-VERMILION COUNTY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does AQUA ILLINOIS-VERMILION COUNTY have any EPA violations?
Yes, AQUA ILLINOIS-VERMILION COUNTY has 31 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, TT, MCL. 24 are health-based violations.
How many people does AQUA ILLINOIS-VERMILION COUNTY serve?
AQUA ILLINOIS-VERMILION COUNTY serves approximately 30,106 people, Illinois. The system provides water to 1 community: Danville.
What type of water does AQUA ILLINOIS-VERMILION COUNTY provide?
AQUA ILLINOIS-VERMILION COUNTY sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL1835120.
How does AQUA ILLINOIS-VERMILION COUNTY compare to other utilities in Illinois?
AQUA ILLINOIS-VERMILION COUNTY 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.