Resource provided by UW-Madison Robinson Map Library. This data represents dams in Wisconsin in 2023. [This dataset represents 'Dams' in Wisconsin. A dam is a barrier that impounds water and generally serves the primary purpose of retaining water. Wisconsin law defines a dam as “any artificial barrier in or across a watercourse which has the primary purpose of impounding or diverting water and includes all appurtenant works, such as a dike, canal or powerhouse'. Visit https://dnr.wisconsin.gov/topic/Dams for more information.]