Water Control


Discharge Data Sites


Gage Location Gage ID
Atchafalaya River At Simmesport, LA 03045 
Old River LowSill Outflow Channel Near Knox Landing, LA (Near structure) 02100 
Old River Outflow Channel Near Knox Landing, LA (Total Outflow) 02600 
Old River Auxiliary Inflow Channel Near Knox Landing, LA 02200 
Mississippi River At Tarbert Landing, MS 01100 


NOTICE: All data contained herein is preliminary in nature and therefore subject to change. The data is for general information purposes ONLY and SHALL NOT be used in technical applications such as, but not limited to, studies or designs. All critical data should be obtained from and verified by the United States Army Corps of Engineers, New Orleans District, Engineering Division, Hydrology and Hydraulics Branch, P.O. Box 60267, New Orleans, LA., 70160-0267. The United States Government assumes no liability for the completeness or accuracy of the data contained herein and any use of such data inconsistent with this disclaimer shall be solely at the risk of the user.



Lower Mississippi River & Tributaries Engineering Branch
New Orleans, LA 70160

Updated 7/26/2022