F0/100
AVON WATER CO — Water Quality Report 2026
Serving 11,590 people · Connecticut
Water Source
Groundwater
County
—
System ID
CT0040011
Violations
181
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.48 mg/L | 1.30 mg/L | Over Limit |
PFOS | 0.008 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.007 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 AVON WATER CO
Is AVON WATER CO water safe to drink?
AVON WATER CO water receives a grade of F (0/100), which is considered failing. 3 contaminant(s) exceed EPA legal limits and 181 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has AVON WATER CO detected?
67 contaminants were tested in AVON WATER CO's water. Notable contaminants include PFOS, PFOA, Copper (90th percentile). 3 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does AVON WATER CO have any EPA violations?
Yes, AVON WATER CO has 181 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does AVON WATER CO serve?
AVON WATER CO serves approximately 11,590 people, Connecticut. The system provides water to 3 communities: Avon, Farmington, Simsbury.
What type of water does AVON WATER CO provide?
AVON WATER CO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CT0040011.
How does AVON WATER CO compare to other utilities in Connecticut?
AVON WATER CO scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Connecticut state page for a full comparison of water systems.