Quabbin Natural Resources Fast Facts  pdf format of Quabbin Natural Resources Fast Facts


AttributeQuabbin Reservoir
Year Built1939
Dam Length2,640 feet
Volume Capacity412 billion gallons
Surface Area39.4 square miles
Watershed Area
(including reservoir)
187 square miles
Shoreline118 miles
Length18 miles
Maximum Width3 miles
Mean Width1.5 miles
Maximum Depth151 feet
Mean Depth45 feet
Normal Operation Range520-530 feet
Intake Depth442 feet
Overflow Elevation530 feet
% DCR/DWSP Protected Land57%
% Other Protected Land18%
Total % Protected Land75%


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