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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	2024-11-23
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	2023-03-25	47
Field measurements	1973-04-11	2024-10-28	984
Field/Lab water-quality samples	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