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USGS 06178500 East Poplar River at international boundary

  Stream Site

DESCRIPTION:
Latitude 49°00'00.00",   Longitude 105°24'34.51"   NAD83
000, 94,
Drainage area: 541 square miles
Contributing drainage area: 510 square miles,
Datum of gage: 2,410.92 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1994-12-22  2025-12-26  
 Daily Data
    Temperature, water, degrees Celsius  2020-10-01  2025-12-25  5667 
    Discharge, cubic feet per second  1931-03-01  2025-12-25  29611 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1995-04-19  2025-12-25  24870 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1982-02-16  1994-11-24  4583 
 Daily Statistics 
    Temperature, water, degrees Celsius  2020-10-01  2024-11-06 1475 
    Discharge, cubic feet per second  1931-03-01  2024-12-30 29251 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1995-04-19  2025-05-05 9904 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2020-10  2024-11  
    Discharge, cubic feet per second  1931-03  2024-12  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1995-04  2025-05  
 Annual Statistics 
    Temperature, water, degrees Celsius  2021  2025  
    Discharge, cubic feet per second  1931  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1995  2025  
 Peak streamflow 1931-09-20  2024-05-07  91 
 Field measurements 1948-04-17  2025-11-19  476 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1964-04-20  2022-07-19  415 
 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