Latitude 37°54'37", Longitude 121°35'56" NAD27
Contra Costa County, California , Hydrologic Unit 18040003
Well depth: 355 feet Hole depth: 365 feet
Land surface altitude: 1.00
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