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DCR Office of Watershed Management

DCR's Division of Water Supply Protection, Office of Watershed Management (DWSP) manages and protects the the Quabbin Reservoir, Ware River, Wachusett Reservoir, and Sudbury Reservoir watersheds, the source drinking water supply for 3 million people.

Follow the links below to visit the watersheds and find out details about public access rules and maps, water quality, education, planning, forestry, and other natural resource protection activities.

Visit the watersheds

Quabbin Reservoir
Quabbin Reservoir 
Ware River
Ware River Watershed  
Wachusett Reservoir
Wachusett Reservoir 
Sudbury Reservoir
Sudbury Reservoir 
Natural Resource Protection
Explore DWSP's Natural Resource programs 

Who we serve

DWSP provides the Massachusetts Water Resources Authority (MWRA) source water for treatment and distribution to 51 communities.  The DCR/MWRA water supply system is one of the few unfiltered drinking water supplies in the country.

The mission of DWSP is to utilize and conserve water and other natural resources to protect, preserve and enhance the environment of the Commonwealth and to assure the availability of pure water for future generations.

What would you like to do?

DCR Watershed Water Quality  Watershed Protection Act  Watershed Education Programs  Public Access Maps, Rules, Fishing, and Hunting Information  DCR Office Address and Telephone Listing  DCR Watershed Videos 

Upcoming Events

  • Water Supply Protection Trust Meeting 9/27/2022 

    Tuesday, September 27, 2022
    1 p.m. - 3 p.m.

  • Wachusett Sunset Stroll 9/27/2022 

    South Meadow Road and West Boylston Street, Clinton, MA 01510
    Tuesday, September 27, 2022
    6 p.m. - 7:30 p.m.
    A Public Program by Wachusett Reservoir Watershed Interpretive Services

  • Hike to Horseshoe Cove 

    167 Temple St, West Boylston, MA 01583
    Saturday, October 1, 2022
    9 a.m. - 11 a.m.
    A Public Program by Wachusett Reservoir Watershed Interpretive Services

  • Soapstone Mountain Hike 

    Monson Turnpike and West St., Petersham, MA 01366
    Sunday, October 2, 2022
    11 a.m. - 1 p.m.
    A Public Program offered by the Quabbin Visitor Center.

  • Hike to the Narrows 

    Cross Street and Route 70, Boylston, MA 01505
    Saturday, October 8, 2022
    9 a.m. - 11 a.m.
    A Public Program by Wachusett Reservoir Watershed Interpretive Services

  • Wachusett Reservoir Nature Almanac Club 10/8/2022 

    Stillwater Farm, 228 Redemption Rock Trail, Sterling, MA 01564
    Saturday, October 8, 2022
    12 p.m. - 1 p.m.
    A Public Program by Wachusett Reservoir Watershed Interpretive Services
See all events for the DCR Office of Watershed Management
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