Impoundment 4, also known as Ksnoname 3746, is a privately owned earth dam located in Sedgwick, Kansas. Built in 1941 by the USDA SCS, this dam stands at a height of 18 feet and has a storage capacity of 58 acre-feet. With a surface area of 12.8 acres and a drainage area of 0.96 square miles, Impoundment 4 serves the purpose of water resource management in the region.

Situated on Clear Creek-TR, Impoundment 4 plays a crucial role in regulating water flow and providing irrigation to the surrounding areas. With a low hazard potential and a condition assessment of "Not Rated", this dam has not been inspected recently but continues to serve its intended purpose effectively. Although it is not state regulated and does not have a state permit for operation, Impoundment 4 remains an important infrastructure for water storage and management in the region.

Managed by a private owner, Impoundment 4 contributes to the overall water resource system in the area and plays a part in mitigating potential flooding risks. As a key component of the water infrastructure, this dam stands as a testament to the importance of sustainable water resource management in the face of changing climate patterns. With its historical significance and continued functionality, Impoundment 4 remains a vital asset for water enthusiasts and climate advocates alike.