Bad Axe 12, also known as Runge Hollow, is a local government-owned dam located in Newton, Wisconsin, along the North Fork of the Bad Axe River. Designed by USDA NRCS and completed in 1974, this earth dam stands at a height of 73 feet and serves primarily for flood risk reduction. With a normal storage capacity of 344 acre-feet and a maximum discharge of 500 cubic feet per second, this dam covers a surface area of 45 acres and has a drainage area of 30 square miles.

Managed by the Wisconsin Department of Natural Resources, Bad Axe 12 has a low hazard potential and is in satisfactory condition as of the last assessment in May 2016. Despite its low hazard potential, the dam poses a very high risk due to its proximity to populated areas. The dam has not been modified in recent years and is subject to regular state inspection, enforcement, and permitting to ensure its safety and functionality. With a controlled spillway and a history of meeting guidelines, Bad Axe 12 remains a crucial structure in managing water resources in the area and reducing the risk of flooding for local residents.

Overall, Bad Axe 12 is an essential piece of infrastructure for flood risk reduction in Vernon County, Wisconsin. Managed by local government authorities and designed by the USDA NRCS, this earth dam has a long history of serving its community since its completion in 1974. With a focus on safety and regular inspections, Bad Axe 12 continues to play a vital role in protecting the surrounding areas from potential flooding events, despite being classified as having a low hazard potential. For water resource and climate enthusiasts, this dam represents a key component in the broader strategy of managing water resources and mitigating flood risks in the region.