USGS Surface Water for California: Streamflow Measurements

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Streamflow Measurements for California

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San Joaquin County, California

Hydrologic Unit Code 18040003

Latitude 37°40'34", Longitude 121°15'55" NAD27

Drainage area 13,539 square miles

Gage datum 25 feet above NGVD29

**Period of record**
Begin Date	End Date	Count
1988-09-19	2024-11-14	464

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for California: Streamflow Measurements
URL: https://waterdata.usgs.gov/ca/nwis/measurements?

Page Contact Information: California Water Data Support Team
Page Last Modified: 2024-12-11 21:40:48 EST
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