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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 381121121134101 004N007E20A008M

San Joaquin County, California
Latitude  38°11'21", Longitude 121°13'41" NAD27
Land-surface elevation 72.00 feet above NGVD29
The depth of the well is 232 feet below land surface.
The depth of the hole is 375 feet below land surface.
This well is completed in the Central Valley aquifer system (S100CNRLVL) national aquifer.
This well is completed in the Alluvial Fan Deposits (111ALVF) local aquifer.

Period of record
Begin Date End Date Levels
1973-12-10 1973-12-10 1

 
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