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USGS 11044000 SANTA MARGARITA R NR TEMECULA CA

  Stream Site

DESCRIPTION:
Latitude 33°28'26",   Longitude 117°08'29"   NAD27
Riverside County, California, Hydrologic Unit 18070302
Drainage area: 588 square miles
Datum of gage: 955.88 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  1999-12-15  2025-10-29  22913 
    Discharge, cubic feet per second  1923-02-01  2025-10-28  37526 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1999-12-15  2025-10-29  22949 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1999-12-15  2025-10-29  22329 
    pH, water, unfiltered, field, standard units  1999-12-15  2025-10-29  22931 
 Daily Statistics 
    Temperature, water, degrees Celsius  2016-10-01  2025-03-03 3046 
    Discharge, cubic feet per second  1923-02-01  2025-02-10 37266 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-10-01  2025-03-03 3044 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2016-10-01  2025-03-03 3014 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2016-10  2025-03  
    Discharge, cubic feet per second  1923-02  2025-02  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-10  2025-03  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2016-10  2025-03  
 Annual Statistics 
    Temperature, water, degrees Celsius  2017  2025  
    Discharge, cubic feet per second  1923  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2017  2025  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2017  2025  
 Peak streamflow 1923-02-12  2024-02-06  101 
 Field measurements 1969-01-25  2025-09-03  559 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1973-04-04  2018-02-06  7 
 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