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

11422500 BEAR R BL ROLLINS DAM NR COLFAX CA

Nevada County, California

Hydrologic Unit Code 18020126

Latitude 39°07'53", Longitude 120°57'29" NAD27

Drainage area 105 square miles

Gage datum 1,927.41 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: California Water Data Support Team
Page Last Modified: 2025-11-23 20:18:47 EST
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