Frd No 4, also known as Elk River WS Dam 4, is a local government-owned structure located in Oak Valley, Kansas. Built in 1974 by USDA NRCS, this earth dam stands at a height of 56 feet and serves the primary purpose of flood risk reduction along the Painterhood Creek-TR. With a storage capacity of 2118.71 acre-feet and a normal storage level of 212 acre-feet, Frd No 4 covers a surface area of 32.39 acres and has a drainage area of 3.72 square miles.

The dam features an uncontrolled spillway with a width of 40 feet and a maximum discharge capacity of 2240 cubic feet per second. Despite being classified as having a low hazard potential and a moderate risk level, Frd No 4 has not been rated for its condition assessment. The structure does not have outlet gates and is not associated with any other structures. While the last inspection date and emergency action plan details are not provided, the dam is regulated, permitted, inspected, and enforced by the Kansas Department of Agriculture to ensure its safety and compliance with state guidelines.

Water resource and climate enthusiasts interested in the management and operation of Frd No 4 will find it fascinating to explore the design, construction, and regulatory aspects of this earth dam. As part of the flood risk reduction infrastructure in Elk County, Kansas, Frd No 4 plays a crucial role in mitigating potential flooding events and protecting the surrounding community. With its unique characteristics and location on the Painterhood Creek-TR, this dam serves as a testament to the importance of sustainable water resource management practices in a changing climate landscape.