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DESCRIPTION:

Latitude 38°00'17",   Longitude 121°44'32"   NAD27
Contra Costa County, California   , Hydrologic Unit 18040003

Well depth: 63.0 feet
Hole depth: 63.0 feet
Land surface altitude: 32.00 feet above NGVD29.
Well completed in "Central Valley aquifer system" (S100CNRLVL) national aquifer.
Well completed in "Quaternary Alluvium" (110ALVM) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1962-06-01	1982-09-24	9
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1972-06-22	1981-04-21	25
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