Elkhorn Lake, located in Jackson County, Kansas, serves as a vital water supply for the local community. Built in 1935, this buttress dam stands at a height of 21 feet and has a storage capacity of 80 acre-feet, with a normal storage level of 60 acre-feet. The dam spans a length of 420 feet and is situated on Elk Creek-TR, offering a low hazard potential according to the data.

Despite its age, Elkhorn Lake has not been rated for its condition, but it is regularly inspected to ensure its structural integrity. The dam has not undergone any significant modifications over the years, with no associated structures or outlet gates. While the emergency action plan (EAP) status and risk assessment details are not available, Elkhorn Lake remains a key resource for water supply in the region, contributing to the sustainability of the local water system.