December 22, 2021 – Commissioner’s order: Out of state licensed providers should read this memo from DPH Commissioner Manisha Juthani, MD and note the list of professions authorized by the Commissioner’s order

The Drinking Water Section (DWS) is responsible for the administration of state and federal drinking water regulations and is dedicated to assuring the quality and adequacy of our State’s public drinking water sources. We provide technical assistance, education and regulatory enforcement to over 2,500 public drinking water systems, which provide drinking water to approximately 2.8 million persons on a daily basis. We maintain a continuing commitment to drinking water treatment and monitoring, drinking water source protection, and consumer education in order to assure and maintain the high standard of drinking water Connecticut’s citizens have come to expect and enjoy.

Drinking Water Fact Sheets - information on various drinking water topics.

Public Drinking Water FAQ's

Water Conservation - a collection of drinking water conservation resources.

Public Water Supply Service - a map to help identify which public water supply system serves your area.