A90/100
AQUARION-NORTH CANAAN — Water Quality Report 2026
Serving 1,481 people · Connecticut
Water Source
Groundwater
County
—
System ID
CT1000011
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
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, 2021 – January 21, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: June 16, 2021 – September 15, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: June 16, 2021 – September 15, 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 AQUARION-NORTH CANAAN
Is AQUARION-NORTH CANAAN water safe to drink?
AQUARION-NORTH CANAAN water receives a grade of A (90/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has AQUARION-NORTH CANAAN detected?
1 contaminants were tested in AQUARION-NORTH CANAAN's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does AQUARION-NORTH CANAAN have any EPA violations?
Yes, AQUARION-NORTH CANAAN has 7 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other, MON.
How many people does AQUARION-NORTH CANAAN serve?
AQUARION-NORTH CANAAN serves approximately 1,481 people, Connecticut. The system provides water to 1 community: North Canaan.
What type of water does AQUARION-NORTH CANAAN provide?
AQUARION-NORTH CANAAN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CT1000011.
How does AQUARION-NORTH CANAAN compare to other utilities in Connecticut?
AQUARION-NORTH CANAAN scores 90/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Connecticut state page for a full comparison of water systems.