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USGS 11046000 SANTA MARGARITA R A YSIDORA CA

  Stream Site

DESCRIPTION:
Latitude 33°18'40",   Longitude 117°20'47"   NAD27
San Diego County, California, Hydrologic Unit 18070302
Drainage area: 723 square miles
Datum of gage: 70.40 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1988-10-01  2025-10-29  
 Daily Data
    Temperature, water, degrees Celsius  1969-02-22  1978-06-27  51 
    Discharge, cubic feet per second  1923-03-01  2025-10-28  35088 
    Suspended sediment concentration, milligrams per liter  1968-10-01  1978-09-29  2552 
    Suspended sediment discharge, short tons per day  1968-10-01  1978-09-29  2187 
 Daily Statistics 
    Discharge, cubic feet per second  1923-03-01  2025-08-20 35019 
    Suspended sediment concentration, milligrams per liter  1968-10-01  1978-09-29 2552 
    Suspended sediment discharge, short tons per day  1968-10-01  1978-09-29 2187 
 Monthly Statistics 
    Discharge, cubic feet per second  1923-03  2025-08  
    Suspended sediment concentration, milligrams per liter  1968-10  1978-09  
    Suspended sediment discharge, short tons per day  1968-10  1978-09  
 Annual Statistics 
    Discharge, cubic feet per second  1923  2025  
    Suspended sediment concentration, milligrams per liter  1969  1978  
    Suspended sediment discharge, short tons per day  1969  1978  
 Peak streamflow 1923-03-05  2024-03-31  99 
 Field measurements 1982-01-21  2025-09-02  575 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1967-11-27  1982-03-18  38 
 Water-Year Summary 2005  2024  20 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS California Water Science Center
Email questions about this site to California Water Science Center Water-Data Inquiries