Rocky Gorge Dam, northeast Maryland
Duckett Dam is formed by Rocky Gorge Dam on the Patuxent River in Prince Georges County, Maryland and is used for drinking water and recreation purposes. Construction was completed in 1953. At normal levels it has a surface area of 1.2 square miles. It is owned by Washington Suburban Sanitary Comission.
Rocky Gorge Dam, also known as Duckett Dam is concrete, buttress supported. The foundation is rock. Though originally completed in 1953, the structure was modified in 1986. Its height is 134 feet with a length of 840 feet. Maximum discharge is 65200 cubic feet per second. Its capacity is 22000 acre feet. Normal storage is 17000 acre feet. It drains an area of 132 square miles.
Lakes, Dams, and Recreational Facilities Near Rocky Gorge DamT Howard Duckett Reservoir Laurel Lakes No 1 (lower) Laurel Lakes No 2 (upper) Russett Center Lower Dam / Pond #1 Indian Creek Site 3 Russett Center Upper Dam / Pond #2 Jessup Prison Dam Indian Creek Site 2 Patuxent Research Refuge Soil Conservation Service Lake Baltimore-Washington Parkway Greenbelt Dam Cash Lake Burba Lake Lake Allen Redington Lake Tridelphia Lake Burnt Mills Reservoir Centennial Park Dam Greenbelt Park Triadelphia Reservoir Pine Lake Hallowell Swm Dam R. P. Smith Power Station Wheaton Branch Storm Water Management Bloede Dam Patapsco Valley State Park Umbc Dam Lake Frank Union Dam Battleground National Cemetery Lake Needwood Allen Pond Daniels Dam Umstc Lower Dam (Curie Drive) Shipleys Choice Section Ii Swm Dam Rock Creek Park Lake Arbor Crabbs Branch Swm Facility Arts and Industries Building
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