Wachusett Reservoir (wôchōˈsĭt) [key], on the South Branch of the Nashua River, central Mass., NE of Worcester; built 1897–1905. Impounded by Wachusett Dam (completed 1906), it receives some of its water from Quabbin Reservoir and supplies the Boston area.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.