Kingsley Dam is a large earth-fill dam located on the North Platte River in Keith County, Nebraska. Completed in 1941, it was built to provide irrigation, flood control, and recreational opportunities in the region. The dam creates Lake McConaughy, which is the largest reservoir in Nebraska. The dam is named after Kingsley Dam, a prominent figure in the development of the area's irrigation projects. It plays a crucial role in managing water resources for agriculture and supports local wildlife habitats. The surrounding area offers various recreational activities, including fishing, boating, and camping.