Morganza Spillway emergency use to divert additional water from the Mississippi River into the Morganza floodway, which merges downstream with the Atchafalaya floodway before entering the Gulf. Diversion of water from the Mississippi's main channel has the effect of lowering water level in the Mississippi downstream of the spillway, helping to relieve stress on levees and other flood control structures both upstream and down. Besides controlling flooding in a given event, the system is also designed to prevent the Mississippi River from permanently altering course down the Atchafalaya River, bypassing Baton Rouge and New Orleans. Water that passes the Morganza Spillway first
Morganza, Maryland Morganza, Maryland Morganza is an unincorporated community in St. Mary's County, Maryland, United States. Today, it is home to a few homes and St. Joseph's Catholic Church, which had been in the area since 1759. The current church on Route 5 at the top of the hill was built in 1860 and the Morganza Post Office was established there in 1867, named after the Morgan family. The post office is now located across from Chopticon High School. Morganza was home to two public one-room school houses and the church opened a parochial school for white students in 1926 and for