On Saturday, June 24th, at 3:58pm, Marinette County Dispatch received a call of a possible drowning in Butterfly Lake. Fire, rescue, and Sheriff’s deputies responded to the location, which is located in the Town of Wausaukee. Upon arrival of the first deputy, he entered the water and was able to assist others in recovering the subject, John Van Rossum, 47, of Kaukauna, Wisconsin, and immediately administered CPR until rescue arrived. Van Rossum was transported to Aurora Medical Center – Bay Area in Marinette, where he was later pronounced dead. Van Rossum had been out swimming when he called for help and went under. The Sheriff’s Office was assisted by the Wausaukee Fire Department, Wausaukee Rescue, and Aurora bay Area Medical Center Paramedics. The Middle Inlet Fire Department Dive Team had also been called out bet were cancelled prior to arrival.