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DESCRIPTION:

Latitude 37°53'47",   Longitude 121°37'22"   NAD27
Contra Costa County, California   , Hydrologic Unit 18040003

Well depth: 110 feet
Hole depth: 110 feet
Land surface altitude: 10.00 feet above NGVD29.
Well completed in "Central Valley aquifer system" (S100CNRLVL) national aquifer.
Well completed in "Alluvium of the Coast Range, Younger (Pleistocene-Holocene)" (111ALCRY) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1973-08-02	1973-08-02	1
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1979-05-01	1979-05-01	1
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