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DESCRIPTION:

Latitude 37°54'49",   Longitude 121°43'53"   NAD27
Contra Costa County, California   , Hydrologic Unit 18040003

Well depth: 60.0 feet
Hole depth: 60.0 feet
Land surface altitude: 133.00 feet above NGVD29.
Well completed in "Central Valley aquifer system" (S100CNRLVL) national aquifer.
Well completed in "Eocene Series" (124EOCN) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1978-05-25	1978-05-25	1
Field/Lab water-quality samples	1979-05-01	1979-05-01	1
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