Beardsley Dam (National ID # CA00263) is a dam on the Middle Fork Stanislaus River in Tuolumne County, California. The site is surrounded by the Stanislaus National Forest.
Water and power
The earthen dam was completed in with a height of , and a length of at its crest. It impounds the Middle Fork of the Stanislaus River for hydroelectric power and irrigation water storage, part of the Stanislaus River Tri-Dam project cooperatively owned by the Oakdale Irrigation District and South San Joaquin Irrigation District.
The reservoir it creates, Beardsley Lake, has a water surface of 1.1 square miles, a maximum capacity of , and a normal capacity of . Recreation includes camping, fishing, and boating.