Frd No 12, also known as Lyons Creek Watershed Dam 12, is a locally owned dam located in Lyona, Kansas. Built in 1974 by the USDA NRCS, this earth dam stands at a height of 32 feet and has a hydraulic height of 26 feet. Its primary purpose is flood risk reduction, serving the Lyon Creek-TR river or stream with a drainage area of 1.8 square miles.

With a storage capacity of 811.72 acre-feet, Frd No 12 covers a surface area of 17.62 acres and has a normal storage level of 69 feet. The dam boasts an uncontrolled spillway with a width of 40 feet, and its hazard potential is rated as low with a moderate risk assessment score of 3. The condition of the dam is currently not rated, and emergency action plans and risk management measures are yet to be documented.

Water resource and climate enthusiasts will find Frd No 12 an intriguing structure for its role in flood risk reduction in the Dickinson County area. Its design and engineering by the USDA NRCS highlight the importance of sustainable infrastructure for water management and environmental protection. As a regulated and inspected dam, Frd No 12 plays a crucial role in mitigating potential flood hazards and ensuring the safety of nearby residents and ecosystems.