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

335809117301001 SANTA ANA R N OF HIDDEN VALLEY WETLANDS CA

Riverside County, California

Hydrologic Unit Code 18070203

Latitude 33°58'09", Longitude 117°30'10" NAD83

Gage datum 640 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: 2025-09-05 10:59:20 EDT
0.54 0.46 caww02