Wisconsin Department of Natural ResourcesThis data represents listed impaired lakes for Wisconsin in 2021. [Impaired Waters listings reflect those waters that have been evaluated and determined that they are not meeting state water quality standards. This data is stored and managed in the Water Assessment, Tracking and Electronic Reporting System.]Shapefilehttps://geodata.wisc.edu/catalog/CC303E47-CABD-4BD4-A05A-D9AF1CB05827engPublicInland WatersImpaired Lakes (Listed) Wisconsin, 2021DatasetsWisconsin2021UW-Madison Robinson Map Library