Resource provided by UW-Madison Robinson Map Library. This data represents lakes less than 50 acres Wisconsin in 2019. [These lakes are PriorityNavigable Waters under the State of Wisconsin's Waterways Protection Program. Priority Navigable Waterways include lakes less than 50 acres, waters with self-sustaining musky, sturgeon and walleye populations, tributaries to and rivers connecting naturally reproducing populations, and perennial tributaries to trout streams.]