Watertown, MA Water Quality Report
Where Your Drinking Water Comes From
The Town of Watertown purchases its water from the Massachusetts Water Resources Authority (MWRA) and supplies it to you through our distribution system which consists of 82 miles of water main ranging in size from 2″ to 16″ pipe. The Department of Public Works and the MWRA monitor the water supply to ensure that your water meets or surpasses every applicable federal, state or local standard. Watertown collects over 500 water samples annually which are analyzed at the MWRA lab for total coliform bacteria and chlorine residual to monitor the health of our system.
How the MWRA Provides Safe Drinking Water
The Massachusetts Water Resource Authority maintains state-of-the-art treatment procedures and is committed to providing a reliable supply of water and to make sure your water is safe, fresh and tastes great. Redundant pipelines and tunnels allow inspection and maintenance of key facilities while ensuring uninterrupted service. The MWRA also continues to rehabilitate and replace pipelines throughout the distribution system to improve both reliability and water quality.