B72/100
CTWC - NAUGATUCK REG-COLLINSVILLE SYS — Water Quality Report 2026
Serving 6,324 people · Connecticut
Water Source
Surface Water
County
—
System ID
CT0230011
Violations
25
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 CTWC - NAUGATUCK REG-COLLINSVILLE SYS
Is CTWC - NAUGATUCK REG-COLLINSVILLE SYS water safe to drink?
CTWC - NAUGATUCK REG-COLLINSVILLE SYS water receives a grade of B (72/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CTWC - NAUGATUCK REG-COLLINSVILLE SYS detected?
31 contaminants were tested in CTWC - NAUGATUCK REG-COLLINSVILLE SYS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CTWC - NAUGATUCK REG-COLLINSVILLE SYS have any EPA violations?
Yes, CTWC - NAUGATUCK REG-COLLINSVILLE SYS has 25 EPA violation(s) on record, with the most recent in 2020. Violation types include MR.
How many people does CTWC - NAUGATUCK REG-COLLINSVILLE SYS serve?
CTWC - NAUGATUCK REG-COLLINSVILLE SYS serves approximately 6,324 people, Connecticut. The system provides water to 4 communities: Avon, Burlington, Canton, New Hartford.
What type of water does CTWC - NAUGATUCK REG-COLLINSVILLE SYS provide?
CTWC - NAUGATUCK REG-COLLINSVILLE SYS 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 CT0230011.
How does CTWC - NAUGATUCK REG-COLLINSVILLE SYS compare to other utilities in Connecticut?
CTWC - NAUGATUCK REG-COLLINSVILLE SYS scores 72/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Connecticut state page for a full comparison of water systems.