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
Battle of Stirling's Plantation Fordoche crossing followed the east bank of Bayou Fordoche, running west to a point about three miles from Morganza, then following a turn in the bayou, ran south three and a half miles to a loop in the bayou by Norwood’s plantation. Just west of Norwoods, the Opelousas Road forked to the northwest, crossed the Fordoche, and ran on to the Atchafalaya across from present day Melville, Louisiana. Shortly after leaving Morganza, the force encountered Confederate pickets and skirmished with them throughout the day until they reached the Norwood plantation, about six miles from the Archafalaya, where they went into