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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 380208121372902 002N003E10H002M

Contra Costa County, California
Latitude  38°02'08", Longitude 121°37'29" NAD27
Land-surface elevation -10.1 feet above NGVD29
The depth of the well is 535 feet below land surface.
The depth of the hole is 545 feet below land surface.
This well is completed in the Central Valley aquifer system (S100CNRLVL) national aquifer.

Period of record
Begin Date End Date Levels
1989-10-19 1994-01-13 50

 
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