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USGS 374938122251801 SAN FRANCISCO BAY A NE SHORE ALCATRAZ ISLAND CA

  Estuary Site

DESCRIPTION:
Latitude 37°49'38",   Longitude 122°25'18"   NAD83
San Francisco County, California, Hydrologic Unit 18050002
Datum of gage: 12 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2003-11-06  2024-04-26  
 Field/Lab water-quality samples 2011-07-12  2024-02-15  105 
 Revisions  Loading...

Additional Data Sources

Begin Date

End Date

Count
 Annual Water-Data Report (pdf)  **offsite** 2005  2013  9 
OPERATION:
Record for this site is maintained by the USGS California Water Science Center
Email questions about this site to California Water Science Center Water-Data Inquiries