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CTWC - NORTHERN REG-WESTERN SYSTEM

Serving 10 cities in CT, MA

Action Needed
13 above health guidelines
99K
People Served
10
Cities
1
Water Sources
0
MCL Violations

Official CTWC - NORTHERN REG-WESTERN SYSTEM Resources

CTWC - NORTHERN REG-WESTERN SYSTEM Service Area

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Service Area

This map shows the approximate service area for CTWC - NORTHERN REG-WESTERN SYSTEM. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

CTWC - NORTHERN REG-WESTERN SYSTEM Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score0/100
13
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is CTWC - NORTHERN REG-WESTERN SYSTEM Water Safe to Drink?

CTWC - NORTHERN REG-WESTERN SYSTEM has reported 13 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 98,690 people across 10 cities in CT, MA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

CTWC - NORTHERN REG-WESTERN SYSTEM Service Area

CTWC - NORTHERN REG-WESTERN SYSTEM Contact & Information

Mailing Address

93 W Main Street Clinton, CT 06413

Water Sources & Treatment

Water Sources

Surface water

Treatment Methods

disinfectiondissolved air flotationfiltrationpre-oxidation with chlorine

Disinfectant Used

hypochlorite

CTWC - NORTHERN REG-WESTERN SYSTEM Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for CTWC - NORTHERN REG-WESTERN SYSTEM

Based on water quality data from cities served by CTWC - NORTHERN REG-WESTERN SYSTEM, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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