Johnson Dam, located in Redfield, Kansas, serves multiple purposes including fire protection, stock, and small fish pond management. Built in 1970, this earth dam stands at 15 feet in height, with a hydraulic height of 16 feet and a structural height of 17 feet. The dam has a length of 700 feet and a storage capacity of 93.59 acre-feet, with a normal storage level of 34.62 acre-feet.

Managed by a private owner, Johnson Dam is situated on Walnut Creek, providing essential water resources for the surrounding area. Despite being categorized as low hazard potential, the dam has not undergone a recent condition assessment. With its primary purpose being fire protection, the dam plays a crucial role in safeguarding the local community from potential wildfire threats.

With a spillway width of 62 feet and a surface area of 9.2 acres, Johnson Dam is an important asset for water resource management in Bourbon County, Kansas. While it is not regulated by the state, the dam serves as a vital source of water for various activities in the region. Climate and water resource enthusiasts can appreciate the significance of Johnson Dam in sustaining the ecosystem and supporting local water needs.