Diverting Mississippi River water into the Atchafalaya River and Atchafalaya Basin Update and Ground Patrol for Louisiana Environmental Action Network and Lower Mississippi Riverkeeper by Wilma Subra May 20, 2011 Morganza Spillway Structure The Morganza Spillway east of Melville, Louisiana, was opened on May 14, 2011, to divert Mississippi River water into the Atchafalaya Basin.…