For Emergencies:
Phone 860 278-7850, ext. 3600 - 24 hours a day

For Billing and Service Assistance:
Customer Service Call Center at 60 Murphy Road, Hartford
Phone 860 278-0127 from 8:00 a.m. to 4:00 p.m. Monday through Friday

Email: Customer_Service@themdc.com

For Permits, Water and Sewer Connections and Construction Specifications:
Customer Service Center at 60 Murphy Road, Hartford

Phone 860 278-7850, ext. 3647 from 8:00 a.m. to 4:00 p.m. Monday through Friday