Morganza Spillway wells, and considerable swampland. Inhabitants know that the region is a natural floodplain, and the Corps of Engineers issues written notices annually to all interests reminding them of the possibility that it might open the spillway and flood the area. Any decision to open the spillway must be carefully planned to give ample warning and protect life and property. Part of that planning process includes the Corps' preparation of maps known as "inundation scenarios" so that interested parties can discuss how much water, if any, should be allowed through the spillway. During both moderate and severe floods of the Mississippi,
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