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USGS 07381600 Lower Atchafalaya River at Morgan City, LA

  Stream Site

DESCRIPTION:
Latitude 29°41'33.4",   Longitude 91°12'42.6"   NAD27
St. Mary Parish, Louisiana, Hydrologic Unit 08080101
Datum of gage: -1.31 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1995-10-01  2025-11-04  
 Daily Data
    Discharge, cubic feet per second  1995-09-30  2015-09-30  6416 
    Gage height, feet  1992-09-30  2015-09-30  7229 
 Daily Statistics 
    Discharge, cubic feet per second  1995-09-30  2015-09-30 6416 
    Gage height, feet  1992-09-30  2015-09-30 7229 
 Monthly Statistics 
    Discharge, cubic feet per second  1995-09  2015-09  
    Gage height, feet  1992-09  2015-09  
 Annual Statistics 
    Discharge, cubic feet per second  1995  2015  
    Gage height, feet  1992  2015  
 Peak streamflow 1969-12-31  2024-05-23  48 
 Field measurements 1973-04-11  2025-09-22  1002 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1956-03-20  2024-02-27  1064 
 Water-Year Summary 2006  2015  9 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Louisiana Water Science Center
Email questions about this site to Louisiana Water Science Center Water-Data Inquiries
ADDITIONAL INFORMATION

  

    
      

    		
  


  

    
    NOTICE:

    Parameter
    codes 80154 (suspended sediment concentration, mg/L), 80155
    (suspended sediment discharge, tons/day), and 70331 (suspended
    sediment sieve diameter percent <0.0625 mm) for the following
    stations are currently under review and temporarily inaccessible
    for retrieval. Inquiries may be directed to
    gs-w-lmg_mssediment@usgs.gov.
  


  

     
  


  

    
      

        

          07295100

          
          Mississippi River at Tarbert Landing, MS
        


        

          
          310552091361200

          
          Mississippi River at Coochie, LA
        


        

          07381482

          Old
          River Outflow Channel below Hydropower Channel
        


        

          07381490

          
          Atchafalaya River at Simmesport, LA
        


        

          
          07381600

          
          Lower Atchafalaya River at Morgan City, LA
        


        

          07381590

          Wax
          Lake Outlet at Calumet, LA
        


        

          
          310408091424500

          Red
          River above Old River Outflow Channel above Simmesport,
          LA