Morganza, Louisiana mammoth work began in 1939 and was completed in 1955. High water of the Mississippi is channeled between guide levees north and west of the town of Morganza and down into the Atchafalaya Basin, thence to the Gulf of Mexico. The floodgates of this facility have been used only twice—during the high water of 1973 and 2011. Morganza is located at (30.735681, -91.593390). According to the United States Census Bureau, the village has a total area of , of which is land and (15.11%) is water. Climate is characterized by relatively high temperatures and evenly distributed precipitation throughout the year.
Morganza, Louisiana of the family's name in Sayreville, New Jersey, and a captain in the Second Regiment of the Middlesex County(N.J.) militia during the Revolutionary War. Evidence indicates he was involved in the transfer of slaves from New Jersey to Louisiana in conflict with New Jersey law. The U.S. Post Office opened in 1847, closed some years later, and reopened in 1899. Members of the Campbell family held the position of postmaster until 1970. The town was not incorporated until 1908. To commemorate the centennial anniversary of the Village of Morganza, U.S. Congressman Rodney Alexander entered the following into the Congressional Record