2011 Mississippi River floods feet per second just upstream from the Old River Control Structure. The US Army Corps of Engineers refers to this design goal as Project Flood. the expected flow will be on the high side, but still within that maximum capacity, assuming everything works as expected. On May 14, a single floodgate of the Morganza Spillway was opened in order to divert of water from the Mississippi River to the Atchafalaya Basin. This diversion was deemed necessary to protect levees and prevent major flooding in Baton Rouge and New Orleans, with the tradeoff of exacerbating flooding in the Atchafalaya Basin, and
Morganza to the Gulf Total federal cost: $576,355,000 Total non-federal cost: $310,345,000 The feasibility report was completed in March 2002. The Chief’s Report was signed on 23 August 2002. Preliminary Engineering and Design (PED) for the Houma Navigation Canal lock is ongoing and scheduled to be completed in December 2007. PED for the additional project features is also ongoing and scheduled to be completed in FY 08. A bill containing the authorization for Terrebonne's Morganza-to-the-Gulf hurricane protection system, a system of levees, floodgates and a lock on the Houma Navigation Canal, passed the U.S. Senate by an overwhelming margin today. The Senate voted 91