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


Page Loading - Please Wait...

Click to hideNews Bulletins
! This page will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline.

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  2026-01-22  
 Daily Data
    Discharge, cubic feet per second  1916-03-01  2026-01-21  25392 
 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  2025-11-19  359 
 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