Bloede Dam

General information

Waterway  Patapsco River
Current status   Removed 
Year built 1906
Year removed 2018

Ownership and operation

Owner MD Dept. Natural Resources

Bloede Dam was the first underwater hydroelectric dam in the world, made possible by the hollow construction of the reinforced concrete slab and buttress dam. Learn about the Patapsco River and Bloede Dam at

Learn more about how the reopened river corridor is helping restore herring and alewife migration at

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