Frd No 4, also known as Frog Creek Watershed Dam 4, is a crucial structure owned by the local government in Coffey County, Kansas. Built in 1965 by the USDA NRCS, this earth dam stands at a height of 32 feet with a hydraulic height of 29 feet, serving primarily for flood risk reduction along the Frog Creek-TR. With a storage capacity of 1560 acre-feet, this dam plays a vital role in safeguarding the surrounding area from potential flooding events.

Located in Melvern, Kansas, Frd No 4 is regulated and inspected by the Kansas Department of Agriculture, ensuring the safety and effectiveness of the dam. With a low hazard potential and a moderate risk assessment rating, this dam remains a reliable structure for flood risk management in the region. While the condition assessment is currently not rated, the dam continues to fulfill its primary purpose of flood risk reduction, providing peace of mind to the local community.

Despite its age, Frd No 4 maintains its structural integrity and functionality, with no reported modifications since its construction. With an uncontrolled spillway type and a spillway width of 40 feet, this dam is well-equipped to handle excess water flow during heavy rainfall events. Overall, Frd No 4 stands as a testament to effective water resource management and climate resilience efforts in Coffey County, Kansas.