Knights Creek 4 is a vital water resource structure located in Dunn, Wisconsin, specifically in the city of Weston. Managed by the local government, this earth dam stands at a height of 29 feet and spans a length of 1240 feet. Its primary purpose is to control debris and reduce flood risks in the area, with a storage capacity of 540 acre-feet.

Constructed in 1970 by the USDA NRCS, Knights Creek 4 is regulated by the Wisconsin Department of Natural Resources (WIDNR) and undergoes regular inspections to ensure its structural integrity. With a low hazard potential and a satisfactory condition assessment, this dam plays a crucial role in protecting the North Branch of Knights Creek and surrounding areas from potential flooding events. Overall, Knights Creek 4 serves as a key infrastructure asset in water resource management and climate resilience efforts in Wisconsin.