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

13349500 ROCK CREEK NEAR EWAN, WA

Whitman County, Washington

Hydrologic Unit Code 17060109

Latitude 47°08'22", Longitude 117°43'26" NAD27

Drainage area 523.00 square miles

Gage datum 1,720.00 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: Washington Water Data Support Team
Page Last Modified: 2025-09-23 23:37:49 EDT
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