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DESCRIPTION:

Latitude 37°45'10",   Longitude 121°56'43"   NAD27
Contra Costa County, California   , Hydrologic Unit 18050004

Well depth: 405 feet
Land surface altitude: 405 feet above NAVD88.
Well completed in "California Coastal Basin aquifers" (N100CACSTL) national aquifer.
Well completed in "Holocene Alluvium" (111ALVM) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1976-03-19	1978-06-12	9
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