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USGS 12355000 Flathead River at Flathead British Columbia

  Stream Site

DESCRIPTION:
Latitude 49°00'04.47",   Longitude 114°28'32.39"   NAD83
000, British Columbia,
Drainage area: 429 square miles
Datum of gage: 3,968.16 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1999-10-27  2025-12-12  
 Daily Data
    Temperature, water, degrees Celsius  1975-09-18  1991-09-29  15622 
    Discharge, cubic feet per second  1929-04-01  2025-12-09  30862 
    Suspended sediment concentration, milligrams per liter  1975-04-10  1991-06-30  3456 
    Suspended sediment discharge, short tons per day  1975-04-10  1990-09-29  3182 
 Daily Statistics 
    Temperature, water, degrees Celsius  1975-09-18  1991-09-29 5203 
    Discharge, cubic feet per second  1929-04-01  2025-08-04 30738 
    Suspended sediment concentration, milligrams per liter  1975-04-10  1991-06-30 3456 
    Suspended sediment discharge, short tons per day  1975-04-10  1990-09-29 3182 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1975-09  1991-09  
    Discharge, cubic feet per second  1929-04  2025-08  
    Suspended sediment concentration, milligrams per liter  1975-04  1991-06  
    Suspended sediment discharge, short tons per day  1975-04  1990-09  
 Annual Statistics 
    Temperature, water, degrees Celsius  1975  1991  
    Discharge, cubic feet per second  1929  2025  
    Suspended sediment concentration, milligrams per liter  1975  1991  
    Suspended sediment discharge, short tons per day  1975  1990  
 Peak streamflow 1929-05-24  2024-05-17  92 
 Field measurements 1964-06-08  2025-11-18  218 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1965-06-03  2017-08-17  439 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Montana Water Science Center
Email questions about this site to Montana Water Science Center Water-Data Inquiries