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Division of
Water Supply Protection

Office of Watershed Management

The Watershed Management section (formerly the MDC Division of Watershed Management) manages and protects the drinking water supply watersheds for nearly 2.2 million residents of Massachusetts, primarily in Greater Boston. The source waters of this watershed system are the Quabbin Reservoir, Ware River, and Wachusett Reservoir and their contributing watersheds. The Division also manages and protects the Sudbury Reservoir system, which is the reserve drinking water supply for Greater Boston.

Water Supply Watershed System