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USGS 11092450 LOS ANGELES R A SEPULVEDA DAM CA

  Stream Site

DESCRIPTION:
Latitude 34°09'42",   Longitude 118°27'57"   NAD27
Los Angeles County, California, Hydrologic Unit 18070105
Drainage area: 158 square miles
Datum of gage: 655.13 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2002-10-01  2025-10-29  
 Daily Data
    Discharge, cubic feet per second  1931-10-01  2025-10-28  25944 
 Daily Statistics 
    Discharge, cubic feet per second  1931-10-01  2025-06-01 25800 
 Monthly Statistics 
    Discharge, cubic feet per second  1931-10  2025-06  
 Annual Statistics 
    Discharge, cubic feet per second  1932  2025  
 Peak streamflow 1930-03-15  2024-02-05  72 
 Field measurements 1956-01-26  2025-08-06  199 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 2021-03-02  2023-11-18  27 
 Water-Year Summary 2005  2024  20 
 Revisions  Loading...
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Email questions about this site to California Water Science Center Water-Data Inquiries