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

373232121053900 WESTPORT DRAIN NR MODESTO CA

Stanislaus County, California

Hydrologic Unit Code 18040002

Latitude 37°32'32", Longitude 121°05'39" NAD27

Gage datum 50 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 06:26:01 EST
1.26 1.15 vaww02