Mill Creek 22, also known as Popp, is a vital water management structure located in Richland, Wisconsin. Owned and regulated by the local government, this dam was designed by USDA NRCS and completed in 1961 for the primary purpose of flood risk reduction. Standing at 25 feet in height and 410 feet in length, it plays a crucial role in controlling debris and reducing the risk of flooding in the area.

With a high hazard potential and fair condition assessment, Mill Creek 22 is subject to regular inspections and maintenance activities to ensure its structural integrity. The dam has a storage capacity of 52 acre-feet and a maximum discharge rate of 57 cfs, serving a drainage area of 1 square mile. Despite its moderate risk level, the dam continues to be a key component in managing water resources and mitigating potential flood impacts in the region.

Managed by the Natural Resources Conservation Service, Mill Creek 22 is a significant asset in the flood control infrastructure of Wisconsin. Its strategic location on the Tr West Branch Mill Creek, combined with its earth dam construction, highlights the importance of sustainable water resource management and climate resilience in the face of changing environmental conditions.