Big Cottonwood Creek flows through the BIG Cottonwood Canyon watershed that supplies Salt Lake City with drinking water.The canyon offers fishing, hunting, camping, hiking, rock climbing, skiing and other activities. Its national forest is intermixed with homes. In the midst of all this is the 42 mgd Big Cottonwood Water Treatment Plant. Its operators are fortunate to have very high-quality source water, kept that way with a vigorous watershed protection program.Built in 1957, the plant is one of three conventional water treatment facilities owned and operated by the Salt Lake City Department of Public Utilities. The others are the 40
