Latitude 37°52'28", Longitude 121°38'20" NAD27
Contra Costa County, California , Hydrologic Unit 18040003
Well depth: 185 feet Hole depth: 190 feet
Land surface altitude: 30.00
feet above NGVD29.
Well completed in "Central Valley aquifer system" (S100CNRLVL) national aquifer.
Well completed in "Alluvial Fan Deposits" (111ALVF) local aquifer