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  • UPDATE, 11/9: As of November 8, the USGS has successfully restored all of the operational gages that stopped transmitting due to an issue with the satellite telemetry system that records and transmits data. The USGS will now focus on restoring other equipment that experienced the telemetry issues, including about 85 rapid deployment gages that are used periodically for emergency response. Read more
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USGS 07381490 Atchafalaya River at Simmesport, LA

  Stream Site

Latitude 30°58'57",   Longitude 91°47'54"   NAD83
Avoyelles Parish, Louisiana, Hydrologic Unit 08080101
Drainage area: 87,570.00 square miles
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2009-11-13  2018-11-19  
 Daily Data
    Discharge, cubic feet per second  2009-11-13  2018-11-17  3222 
    Gage height, feet  2009-11-13  2018-11-17  3117 
 Daily Statistics 
    Discharge, cubic feet per second  2009-11-13  2015-10-19 2167 
    Gage height, feet  2009-11-13  2015-10-19 2160 
 Monthly Statistics 
    Discharge, cubic feet per second  2009-11  2015-10  
    Gage height, feet  2009-11  2015-10  
 Annual Statistics 
    Discharge, cubic feet per second  2010  2016  
    Gage height, feet  2010  2016  
 Peak streamflow 1973-05-12  2017-05-30  15 
 Field measurements 2009-10-29  2018-11-08  173 
 Field/Lab water-quality samples 1952-09-17  2016-01-11  1189 
 Water-Year Summary 2006  2015  10 
 Revisions  Loading...
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