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Quabbin Reservoir: A Town's Sacrifice, A State's Lifeline
22 Aug
Summary
- Over 2,000 people were displaced to create the Quabbin Reservoir.
- Four towns were flooded to supply water to nearly 2.7 million people.
- Protected forests around the reservoir aid in maintaining water clarity.

Massachusetts boasts a significant water story centered around the Quabbin Reservoir, located between Worcester and Northampton. This immense reservoir, with a capacity of 412 billion gallons, was created by damming the Swift River and Beaver Brook, a project completed in April 1935. The reservoir then underwent a seven-year filling period, reaching full capacity by 1946.
The creation of the Quabbin Reservoir necessitated the displacement of over 2,000 individuals and the flooding of four towns: Dana, Enfield, Greenwich, and Prescott. Roads, businesses, and homes were removed as the valley was cleared to construct Goodnough Dike and Winsor Dam, transforming the Swift River Valley into a vital water supply.
Today, the land surrounding Quabbin is largely protected, featuring northern hardwood forests that act as a natural biofilter, enhancing water clarity. This protected watershed is crucial for maintaining the quality of one of the country's largest unfiltered drinking water supplies.
These forests also serve as critical habitat for various wildlife, including black bears and moose. Notably, the area was instrumental in the recovery of the bald eagle population in Massachusetts, with 41 birds reintroduced in 1982. As of 2024, at least 88 nesting pairs have been recorded statewide, showcasing a successful conservation effort.