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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 380231121403201 002N003E05N001M

Contra Costa County, California
Hydrologic Unit Code 18040003
Latitude  38°02'53", Longitude 121°40'32" NAD27
Land-surface elevation -7 feet above NGVD29
The depth of the well is 8.1 feet below land surface.
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Graph of groundwater level data at USGS 380231121403201 002N003E05N001M
Breaks in the plot represent a gap of at least one year between field measurements.
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