Old River Control Structure such that the volume of the two rivers is split 70%/30%, respectively, as measured at the latitude of Red River Landing. This flow split was not based on science, but rather was based on the approximate flow allocation between the two rivers that existed at the time of construction. Water diverted at Old River flows into the Atchafalaya Basin, first entering the Red River, then continuing down the Atchafalaya River to the Gulf of Mexico, bypassing Baton Rouge and New Orleans (see diagram). The Morganza Floodway, between the Mississippi and the Atchafalaya Basin nearby downstream, is normally closed, but can
Morganza High School School Board until being closed in 2008. The school buildings and grounds are currently used as a law enforcement training facility for the Pointe Coupee Parish Sheriff's Office. As part of a community project, the school's gymnasium was renovated in 2014 and is currently used as a community athletic facility, as well as a parish athletic hall of fame museum. John B. Fournet, later a supporter of Huey Pierce Long, Jr., Speaker of the Louisiana House of Representatives, lieutenant governor, and associate and Chief Justice of the Louisiana Supreme Court, was the principal of Morganza High School in the 1916-1917