Atchafalaya Basin from the Mississippi, Red and Black rivers is diverted into the Atchafalaya at the Old River Control Structure. This flow diverts on average 25 percent of the Mississippi River flow down the Atchafalaya. In times of extreme flooding, the US Army Corps of Engineers may open the Morganza Spillway and other spillways to relieve pressure on levees and control structures along the Mississippi. On May 13, 2011, in the face of a rising Mississippi River that threatened to flood New Orleans and other heavily populated parts of Louisiana, the USACE ordered the Morganza Spillway opened for the first time since
Morganza High School Morganza High School Morganza High School was a high school located at 752 South Louisiana Highway 3050 in the village of Morganza, Louisiana. The school was established in 1906 as a three-room school building. The two-story building last used as Morganza High School was built in 1940. The high school closed in the early 1980s. The school's mascot was the Tigers. Morganza High School's football team won a state championship in 1955 while playing as part of a six-man football scheme. The former high school building later became home to Morganza Elementary which was administered by the Pointe Coupee Parish