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USGS 11389500 SACRAMENTO R A COLUSA CA

  Stream Site

DESCRIPTION:
Latitude 39°12'51",   Longitude 121°59'57"   NAD27
Colusa County, California, Hydrologic Unit 18020104
Drainage area: 12,090 square miles
Datum of gage: -1.53 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1987-10-01  2025-10-28  
 Daily Data
    Temperature, water, degrees Celsius  1975-02-09  1998-09-30  2480 
    Discharge, cubic feet per second  1921-04-11  2025-10-27  34598 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1995-10-01  1998-09-30  2030 
    Suspended sediment concentration, milligrams per liter  1972-12-18  1980-05-31  950 
    Suspended sediment discharge, short tons per day  1972-12-18  1980-05-31  950 
    Total sediment discharge, short tons per day  1975-02-09  1975-03-30  30 
 Daily Statistics 
    Discharge, cubic feet per second  1921-04-11  2024-11-22 34265 
    Suspended sediment concentration, milligrams per liter  1972-12-18  1980-05-31 950 
    Suspended sediment discharge, short tons per day  1972-12-18  1980-05-31 950 
    Total sediment discharge, short tons per day  1975-02-09  1975-03-30 30 
 Monthly Statistics 
    Discharge, cubic feet per second  1921-04  2024-11  
    Suspended sediment concentration, milligrams per liter  1972-12  1980-05  
    Suspended sediment discharge, short tons per day  1972-12  1980-05  
    Total sediment discharge, short tons per day  1975-02  1975-03  
 Annual Statistics 
    Discharge, cubic feet per second  1921  2025  
    Suspended sediment concentration, milligrams per liter  1973  1980  
    Suspended sediment discharge, short tons per day  1973  1980  
    Total sediment discharge, short tons per day  1975  1975  
 Peak streamflow 1941-02-12  2024-02-21  84 
 Field measurements 1987-09-09  2025-09-11  303 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1958-10-03  2002-03-07  436 
 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