Frd No. 3, also known as Lyon Creek WS Joint District No 41, is a vital earth dam located in Dickinson County, Kansas, specifically in the city of Herington. Built in 1977 by USDA NRCS, this dam serves the primary purpose of flood risk reduction along Lyons Creek-TR. With a height of 33.2 feet and a hydraulic height of 36 feet, Frd No. 3 has a normal storage capacity of 110 acre-feet and a drainage area of 2.58 square miles.

Managed by the Kansas Department of Agriculture, Frd No. 3 is under state regulation, inspection, and enforcement to ensure its structural integrity and operational efficiency. With a low hazard potential and a moderate risk assessment rating, this dam plays a crucial role in mitigating flood risks in the surrounding area. Despite not being rated for its condition, Frd No. 3 remains a key component in the water resource management infrastructure of the region.

While Frd No. 3 has not been modified in recent years, it continues to provide essential flood protection measures for the community. With a controlled spillway width of 160 feet and no outlet gates, this dam is equipped to handle potential flood events effectively. As a significant asset in the flood risk reduction strategy, Frd No. 3 stands as a testament to the importance of water resource management and climate resilience efforts in safeguarding communities against natural disasters.