ProHealth Care's new emergency department in Mukwonago opens July 6, bringing life-saving treatment closer to home for area residents. Locals are invited to an open house from 9:30 a.m. to noon on Saturday, June 27  at the D.N. Greenwald Center, 240 Maple Ave. The event will feature tours, children's activities, refreshments, a free first-aid kit and a chance to meet the emergency department team.