Lake Needwood
Reservoir in Maryland
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Lake Needwood is a 75-acre reservoir in Derwood, Maryland, United States. Located east of Rockville, in the eastern part of Montgomery County, it is situated on Rock Creek. The lake was created by damming Rock Creek in 1965 with the goal of... Wikipedia
Area: 74 acres
Surface elevation: 324′
Catchment area: 12.8 sq mi (33 km2)
Water volume: 196×10^6 US gal (0.00074 km3)