All Wisconsin waters have consumption recommendations
Waters, where higher concentrations of mercury have been found in fish, are highlighted in dark blue. Waters with higher concentrations of PCBs are shown in green and include Lake Michigan, Lake Superior, Green Bay and several larger rivers. The safe-eating guidelines apply to all other waters that are shown in light blue. To find the advice for your lake or river, use the online query tool or see Choose wisely: a health guide for eating fish in Wisconsin.