Located in Oskaloosa, Iowa, the Fox Run Development - Upper Dam was completed in 1996 with a primary purpose of flood risk reduction. This privately owned earth dam stands at a height of 25 feet and spans 345 feet in length, providing a storage capacity of 49 acre-feet. Situated on the TR-Muchakinock Creek, the dam's low hazard potential and moderate risk assessment make it a crucial asset for protecting the surrounding area from potential flooding events.

Managed by the NRCS and falling under the jurisdiction of the state of Iowa, this dam also serves recreational purposes, offering a surface area of 2.8 acres for outdoor activities. Despite not being state regulated or inspected, the Fox Run Development - Upper Dam boasts a controlled spillway with a width of 4 feet. With a risk management plan in place and a history of meeting guidelines, this dam plays a vital role in safeguarding the community and enhancing the local recreational opportunities along the Muchakinock Creek.