Frd No E-4, also known as Fall River Watershed Dam E-4, is a vital structure located in Eureka, Kansas, designed by USDA NRCS to reduce flood risks in the area. Completed in 1965, this earth dam stands at a height of 44 feet and has a maximum storage capacity of 1173 acre-feet, serving the East Branch Fall River-TR. With a significant hazard potential and moderate risk assessment, this dam plays a crucial role in protecting the surrounding community from potential flooding events.

Managed by the Kansas Department of Agriculture, Frd No E-4 is state-regulated and inspected, ensuring its structural integrity and functionality. Its uncontrolled spillway, with a width of 40 feet, helps to manage excess water flow during high-discharge events. Despite not having outlet gates, this dam serves its primary purpose of flood risk reduction effectively with a drainage area of 2.56 square miles and a normal storage capacity of 66 acre-feet. The dam's condition assessment is currently not rated, highlighting the need for continued monitoring and maintenance to uphold its operational efficiency.

Located in Greenwood County, Kansas, Frd No E-4 is a critical infrastructure project funded and designed by the Natural Resources Conservation Service. With the support of local government ownership, this dam stands as a testament to collaborative efforts in water resource management and climate resilience. As climate change continues to impact water resources, structures like Frd No E-4 play a crucial role in safeguarding communities and ecosystems from the increasing risks of flooding and water-related disasters.