Wisconsin Department of Natural ResourcesThis data represents delisted impaired lakes for Wisconsin in 2021. [The waters in this data layer are those which have been listed and subsequently removed from Wisconsin's list of Impaired Waters. The condition of these waters has been restored so that water quality standards are now met. Each water has its own story of degradation, discovery, restoration, monitoring, and removal from the list.]Shapefilehttps://geodata.wisc.edu/catalog/8D30470C-250E-4CDF-82BE-EB219F007FE8engPublicInland WatersImpaired Lakes (Delisted) Wisconsin, 2021DatasetsWisconsin2021UW-Madison Robinson Map Library