Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

USGS 06169500 Rock Creek bl Horse Creek nr int'l boundary

  Stream Site

DESCRIPTION:
Latitude 48°58'09.75",   Longitude 106°50'23.43"   NAD83
Valley County, Montana, Hydrologic Unit 10050015
Drainage area: 322 square miles
Datum of gage: 2,530 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1994-10-01  2025-11-06  
 Daily Data
    Discharge, cubic feet per second  1916-03-01  2025-11-05  25327 
 Daily Statistics 
    Discharge, cubic feet per second  1916-03-01  2024-08-12 24877 
 Monthly Statistics 
    Discharge, cubic feet per second  1916-03  2024-08  
 Annual Statistics 
    Discharge, cubic feet per second  1916  2024  
 Peak streamflow 1917-04-15  2023-04-12  77 
 Field measurements 1960-03-27  2025-09-18  358 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1964-04-21  2013-09-16  288 
 Water-Year Summary 2006  2023  18 
 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