DCR Watershed Water Quality

Find information on water quality in the source drinking water supply watersheds for 2.5 million Massachusetts residents.

DCR's Division of Water Supply Protection continuously monitors water quality in the Quabbin Reservoir, Ware River, and Wachusett Reservoir watersheds - the source drinking water supply that is treated and distributed by the MA Water Resources Authority to 2.5 million people. The data collected helps DCR meet its mission to "assure the availability of pure water for future generations."


Did you find the information you were looking for on this page? * required
We use your feedback to help us improve this site but we are not able to respond directly. Please do not include personal or contact information. If you need a response, please locate contact information elsewhere on this page or in the footer.
Tell us what you think