Berns Dam, located in Allamakee, Iowa, was completed in 2003 by the NRCS with a primary purpose of providing fire protection, stock, or a small fish pond. This earth dam stands at a height of 24 feet and has a length of 475 feet, with a storage capacity of 67 acre-feet. The dam is situated on Tr- Williams Creek, near the Mississippi River, and is regulated by the Iowa Department of Natural Resources.

Despite being classified as having a low hazard potential, Berns Dam is considered to have moderate risk according to a rating of 3. The dam's condition is currently not rated, and there is no emergency action plan in place. The spillway type for the dam is uncontrolled, with a width of 3 feet. While the dam has not been modified in recent years, it undergoes regular inspections, although the last inspection date is not specified in the data.

Overall, Berns Dam serves as an important water resource for the local area, providing various benefits such as fire protection and stock water supply. With its moderate risk level and lack of a current condition assessment, continued monitoring and maintenance of the dam are essential to ensure its safety and longevity for the community it serves.