South Zumbro Kr-6 is a local government-owned dam in Olmsted County, Minnesota, designed by the USDA NRCS to mitigate flood risks along the Cascade Creek North Fork. Completed in 1993, this earth dam stands at 31 feet high with a structural height of 37 feet and a length of 638 feet. It has a storage capacity of 600 acre-feet and serves the primary purpose of flood risk reduction in the area.

The dam, regulated by the Minnesota Department of Natural Resources, has a high hazard potential and is classified as being in satisfactory condition. It has a controlled spillway and uncontrolled outlet gates, with a maximum discharge capacity of 5000 cubic feet per second. The risk assessment for this dam is very high, indicating the importance of regular inspections and maintenance to ensure public safety and prevent potential disasters. With its location in the St. Paul District and under the jurisdiction of the MNDNR EWR, South Zumbro Kr-6 plays a crucial role in water resource management in the region.