Lake Henry, located in Crowley County, Colorado, is a private reservoir primarily used for irrigation but also serves as a fish and wildlife pond and a recreational area. Built in 1914, this earth dam stands at a height of 18 feet and has a capacity of 14,914 acre-feet. With a normal storage capacity of 9,500 acre-feet, the reservoir covers a surface area of 1,194 acres and has a drainage area of 7 square miles.

Managed by the Colorado Division of Water Resources, Lake Henry has a spillway width of 1,109 feet and a maximum discharge of 16,000 cubic feet per second. With a hazard potential classified as high and a fair condition assessment, the dam is inspected annually to ensure public safety. Despite its moderate risk assessment rating, Lake Henry remains a vital water resource in the region, providing essential irrigation water while also supporting wildlife and recreational activities.

Water resource and climate enthusiasts will be intrigued by Lake Henry's historical significance, engineering design, and multifaceted purposes. As a well-maintained structure with state-regulated oversight and a solid emergency action plan, this reservoir continues to play a crucial role in Colorado's water management strategy and serves as a key component in the region's environmental conservation efforts.