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

11510990 KLAMATH R AB SHOVEL C NR COPCO CA

Siskiyou County, California

Hydrologic Unit Code 18010206

Latitude 41°58'21", Longitude 122°12'03" NAD27

Drainage area 4,164 square miles

Gage datum 2,660 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: 2025-09-06 10:59:46 EDT
0.56 0.47 caww01