The U.S. Army Corps of Engineers, Kansas City District, will host an Open House from 4:30-5:30 PM, and a Site Tour from 5:30-7:00 p.m. on Wednesday, May 15, 2019, at the Main Groundwater Treatment Plant in Ashland, Nebraska located at the junction of County Road 6 and County Road F. The public and media members are invited to attend.