Rocky Gorge Reservoir is located on the Patuxent River in Howard, Montgomery, and Prince George's counties in Maryland, between Laurel and Burtonsville.

[3] The reservoir is maintained as a drinking water source by the Washington Suburban Sanitary Commission (WSSC).

WSSC provides recreational facilities to the public on portions of the Rocky Gorge property, including hiking, picnicking, fishing, boating, horseback riding, and hunting.

T. Howard Duckett drafted the law officially establishing the WSSC as a permanent bicounty agency.

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