Frd No S-3, also known as Fall River Watershed Dam S-3, is a crucial structure located in Greenwood County, Kansas. Built in 1966 by the USDA NRCS, this earth dam stands at a height of 49 feet and serves the primary purpose of flood risk reduction along the Spring Creek-TR. With a normal storage capacity of 78 acre-feet and a maximum discharge of 425 cubic feet per second, Frd No S-3 plays a vital role in managing water flow and mitigating flood risks in the area.

Managed by the local government and regulated by the Kansas Department of Agriculture, Frd No S-3 has a low hazard potential and a moderate risk assessment rating. Despite its importance in flood risk reduction, the dam's condition is currently not rated, and there is no emergency action plan in place. With a spillway width of 40 feet and no outlet gates, the dam ensures controlled water release during times of high flow to protect downstream areas from potential flooding.

Water resource and climate enthusiasts will find Frd No S-3 to be a fascinating structure that showcases the collaborative efforts between federal agencies, state regulators, and local authorities in ensuring the safety and sustainability of water infrastructure. As part of the Kansas City District, this dam serves as a vital component in the overall water management system of the region, highlighting the importance of proactive risk assessment and management measures in safeguarding communities from potential water-related hazards.