National Weather Service Advanced Hydrologic Prediction Service 12: 04/30/2021: Over the years, traffic on the river has caused increased bank erosion, turbidity, sediment resuspension, and disruption of native species habitats. Water data back to 1956 are available online. 56: U.S. Highway 51 near Wickliffe is flooded. The Atchafalaya River (/tf.la./[2] French: La Rivire Atchafalaya, Spanish: Ro Atchafalaya) is a 137-mile-long (220km)[3] distributary of the Mississippi River and Red River in south central Louisiana in the United States. The Atchafalaya Basin comprises an area of 860,000 acres of swamps, lakes and water prairies. MORGAN CITY AS IT IS WOULD NOT EXIST WITHOUT THE ATCHAFALAYA RIVER. Recent Projected Forecast Available: 3.9 ft, Recent Projected Forecast Time: May 1, 2023 01:00 PM -0500, Highest Projected Forecast Available: 3.9 ft, Highest Projected Forecast Time: May 13, 2023 07:00 AM -0500, Last Projected Forecast Available: 3.9 ft, Last Projected Forecast Time: May 14, 2023 07:00 AM -0500. The official public website of the New Orleans District, U.S. Army Corps of Engineers. The city dock will be under water. USGS Current Conditions for Louisiana_ Streamflow Lower Atchafalaya River at Morgan City, LA : 04/27 17:00 CDT : 4.82 -- -- 147,000 : 073816503: Bayou Penchant S of Morgan City, LA : 12/07 09:30 CST : 2.24 -- -- -918 : 073816525: Mouth of Atchafalaya River at Atchafalaya Bay : 04/16 00:45 CDT : 6.38 -- -- -- 07381670: GIWW at Bayou Sale Ridge near Franklin, LA : 04/27 17:15 CDT : 3.87 . It flows south, just west of the Mississippi River,[4] and is the fifth largest river in North America, by discharge. Parts or all of 31 states plus two Canadian provinces drain into the Mississippi River, totaling 41% of the contiguous United States and 15% of North America. River traffic restrictions will be strictly enforced. Mississippi River/Gulf of Mexico Hypoxia Task Force. Save my name, email, and website in this browser for the next time I comment. Sabine River Basin: 08022500: Sabine Rv at Logansport, LA : 04/28 23:45 CDT : 24.95 -- -- 7,740 : . The Mississippi flood of 1973 occurred between March and May 1973 on the lower Mississippi River. River traffic restrictions will be strictly enforced. Amite River. Old River, Middle Fork and West Fork come into play when the Morgan City river stage is under 3.5 feet. Share sensitive information only on official, secure websites. Morgan City Area Survey title: Survey date: Sheet Name River Mile: PDF: XYZ: SHP: Atchafalaya River Above Stout's Pass - Sh. Lower Atchafalaya River at Morgan City, LA - USGS Water Data for the Nation Important Legacy real-time page 7 days 30 days 1 year Lower Atchafalaya River at Morgan City, LA - 07381600 April 20, 2023 - April 27, 2023 Apr 21 Apr 22 Apr 23 Apr 24 Apr 25 Apr 26 Apr 27 0.00 0.20 0.40 0.60 0.80 1.00 No data available Value Status Time Mississippi flood of 1973 - Wikipedia The Atchafalaya River Basin in south Louisiana is a mystical place. A series of unusually cold winters in the river basin concluded in the winter of 1972-1973, when high precipitation saturated much of the watershed, especially in the Ohio Valley and lower Mississippi Valley. Continue for ~11 miles, then turn right onto LA-70 W and continue for ~27 miles down to Morgan City. US Army Corps of Engineers - New Orleans District, USGS - National Water Quality Monitoring Network, Lower Atchafalaya River at Morgan City, LA. Flood stage. [10], The Atchafalaya River meanders south as a channel of the Mississippi, through extensive levees and floodways, past Morgan City, and empties into the Gulf in Atchafalaya Bay approximately 15 miles (24km) south of Morgan City. The Bonnet Carre was fully opened between April 7 and June 14 for a record 75 days. [5] If the Mississippi were allowed to flow freely, the shorter and steeper Atchafalaya would capture the main flow of the Mississippi, permitting the river to bypass its current path through the important ports of Baton Rouge and New Orleans. Before reaching the Gulf, the Mississippi meets up with its distributary, the Atchafalaya River. An official website of the United States government. The flow past Baton Rouge peaked at 1.38 million cubic feet per second (ft3/s) on May 13. Water will move up the bank and across access roads below the city dock.

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