USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Merced County, California

Hydrologic Unit Code 18040001

Latitude 37°17'42.7", Longitude 120°50'33.3" NAD27

Drainage area 7,473 square miles

Gage datum 71 feet above NGVD29

**Period of record**
Begin Date	End Date	Count
2014-09-26	2025-08-22	18

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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: 2025-09-24 02:33:38 EDT
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