USGS Surface Water for USA: Streamflow Measurements

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

13292000 IMNAHA RIVER AT IMNAHA, OR

Wallowa County, Oregon

Hydrologic Unit Code 17060102

Latitude 45°33'45", Longitude 116°50'00" NAD27

Drainage area 622 square miles

Gage datum 1,941.14 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: Oregon Water Data Support Team
Page Last Modified: 2025-09-06 11:49:08 EDT
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