The Dillon Reservoir is owned and operated by Denver Water, and is their largest water storage facility. The Reservoir has a capacity of 257,304 acre ft. (1 acre ft. = 325,851 gal.), and the Dam has a storage capacity of 254, 036 acre ft. Construction of the Dam began in 1961 and was completed in 1963. The entire town of Dillon, Colorado, and a hydroelectric plant were relocated to build the dam. Proceeds from recreation stay in Summit County for the management of recreational activities on the reservoir.