The U.S. Army Corps of Engineers has scheduled open houses to share details about the Papillion Creek Basin flood risk management study on Monday, December 3, from 5:30-7:30 pm at Concordia High School (Commons Area), 15656 Fort Street, Omaha, Nebraska and Wednesday, December 5 from 5:30-7:30 pm at Chalco Hills Recreation Area, 8901 S 154th Street, Omaha, Nebraska.