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USGS 09429490 COLORADO RIVER ABOVE IMPERIAL DAM, AZ-CA

  Stream Site

DESCRIPTION:
Latitude 32°53'05.77",   Longitude 114°28'05.20"   NAD83
Imperial County, California, Hydrologic Unit 15030104
Drainage area: 188,500 square miles
Contributing drainage area: 184,500 square miles,
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2016-12-27  2025-10-19  
 Daily Data
    Temperature, water, degrees Celsius  1973-10-16  2025-10-19  21785 
    Discharge, cubic feet per second  1976-10-01  2025-10-18  17915 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1971-10-01  2025-10-19  28573 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-08-09  2025-10-19  2193 
    pH, water, unfiltered, field, standard units  2023-08-08  2025-10-19  3109 
    Dissolved solids, water, filtered, sum of constituents, milligrams per liter  2017-01-01  2025-10-19  3178 
 Daily Statistics 
    Temperature, water, degrees Celsius  1973-10-16  2025-09-07 7470 
    Discharge, cubic feet per second  1976-10-01  2025-08-30 17866 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1971-10-01  2025-09-07 10832 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-08-09  2025-09-07 699 
    pH, water, unfiltered, field, standard units  2023-08-08  2025-09-07 740 
    Dissolved solids, water, filtered, sum of constituents, milligrams per liter  2017-01-01  2024-12-10 2868 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1973-10  2025-09  
    Discharge, cubic feet per second  1976-10  2025-08  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1971-10  2025-09  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023-08  2025-09  
    pH, water, unfiltered, field, standard units  2023-08  2025-09  
    Dissolved solids, water, filtered, sum of constituents, milligrams per liter  2017-01  2024-12  
 Annual Statistics 
    Temperature, water, degrees Celsius  1974  2025  
    Discharge, cubic feet per second  1977  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1972  2025  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2023  2025  
    pH, water, unfiltered, field, standard units  2023  2025  
    Dissolved solids, water, filtered, sum of constituents, milligrams per liter  2017  2025  
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1964-11-05  2024-02-13  1241 
 Water-Year Summary 2006  2024  18 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Arizona Water Science Center
Email questions about this site to Arizona Water Science Center Water-Data Inquiries