Lake Chillisquaque

Lake Chillisquaque is a lake and reservoir in Montour County, Pennsylvania, in the United States. It has a surface area of 165 acres. The lake is situated on Middle Branch Chillisquaque Creek, which it is named after. Nearby communities include Danville and Washingtonville. The lake has an elevation of 567 feet above sea level and is up to 40 feet deep. It has several coves, including Goose Cove, Heron Cove, and Jellyfish Cove. The lake is dammed on its southern side by the Lake Chillisquaque Dam, which is 2,000 feet long and 54 feet high. The metals with the highest concentrations are calcium and iron. Nonmetals such as nitrogen and phosphorus are also found in the lake. It experiences agricultural runoff as well.

Lake Chillisquaque is owned by Pennsylvania energy company Talen. It was constructed in 1972 and was originally created to serve as a supply of cooling water for the Montour Power Plant, but has also come to be used for recreational purposes.