Eau Galle, located in Dunn, Wisconsin, is a hydroelectric dam with a primary purpose of generating electricity and providing recreational opportunities. Built in 1913, this buttress dam stands at a height of 31 feet and has a length of 171 feet, with a storage capacity of 2070 acre-feet and a surface area of 350 acres. The dam is regulated by the Federal Energy Regulatory Commission and is not state-jurisdiction, but does require state permitting and enforcement.

With a low hazard potential and a very high risk assessment rating, Eau Galle is a vital water resource in the region. The dam features a controlled spillway with a width of 127 feet and a maximum discharge capacity of 20,000 cubic feet per second. Although the dam is not regularly inspected by state agencies, the Federal Energy Regulatory Commission oversees its operation and maintenance. The surrounding area offers opportunities for outdoor recreation, making Eau Galle a significant asset for both the local community and the environment.

Overall, Eau Galle serves as a key infrastructure for water resource management and electricity generation in Wisconsin. Despite its age, the dam continues to provide essential services and poses minimal risks to the surrounding area. With proper maintenance and oversight, Eau Galle will remain a valuable asset for years to come, supporting both the local economy and the preservation of natural habitats.