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DESCRIPTION:

Latitude 37°42'42",   Longitude 121°53'31"   NAD27
Contra Costa County, California   , Hydrologic Unit 18050004

Well depth: 45.0 feet
Hole depth: 45.0 feet
Land surface altitude: 356.50 feet above NGVD29.
Well completed in "California Coastal Basin aquifers" (N100CACSTL) national aquifer.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1976-07-12	1980-01-08	34
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1976-10-07	1983-08-03	27
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