(Colorado)
Jackson Lake State Park is located northeast of Orchard, Colorado in western Morgan County, Colorado. It is situated on 2,411-acre (9.76 km2) Jackson reservoir that was built in the early 20th century. The reservoir, elevation 4,429 feet (1,350 m), receives water from the South Platte River and stores it for irrigation throughout the summer months. (Ref: https://en.wikipedia.org/wiki/Jackson_Lake_State_Park_(Colorado))