These polygon and line data layers represent Wisconsin DNR impaired waters for the State of Wisconsin in 2016.[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.]
This is an archived copy of the data held at UW-Madison. For the most recent version of the data (or current updates) please visit the WI DNR:https://data-wi-dnr.opendata.arcgis.com