Stockton Lake is a U.S. Army Corps of Engineers lake, located in Cedar, Dade, and Polk counties. Stockton Lake was constructed by damming the Sac River, creating a large lake with a surface area of 25,000 acres and a watershed of 742,400 acres. The project was completed in 1969 and the lake had filled by 1971. 58% of the land in Stockton Lake’s watershed is covered by grassland/pasture and 28% is forested. Stockton Lake is an important recreational resource.