USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Streamflow measurement pages 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 and new pages.

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Madison County, Montana

Hydrologic Unit Code 10020005

Latitude 45°38'34", Longitude 111°51'12" NAD27

Drainage area 36.3 square miles

Gage datum 5,350 feet above NGVD29

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Montana Water Data Support Team
Page Last Modified: 2026-01-03 18:38:05 EST
0.6 0.5 caww02

453834111511201 S Willow Cr Bel Camp Creek near Pony MT