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Water Quality Samples for the Nation

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

USGS 374939122192501 SAN FRANCISCO BAY ST AC20 NR BAY BRIDGE CA

Alameda County, California
Hydrologic Unit Code 18050002
Latitude  37°49'27", Longitude 122°19'48" NAD27
Gage datum 0 feet above NGVD29
Output formats
Parameter Group Period of Record table
Inventory of available water-quality data for printing
Inventory of water-quality data with retrieval
Tab-separated data, one result per row
Tab-separated data one sample per row with remark codes combined with values
Tab-separated data one sample per row with tab-delimiter for remark codes
Reselect output format
Parameter Group Summary of Available Data
Parameter Group First
Date		 Last
Date		 Number of
Samples		 Number of
Values
All -- include all parameter groups 1989-09-07 1991-06-25 4 180
Information 1989-09-07 1991-06-25 4 4
Inorganics, Major, Metals 1989-09-07 1991-06-25 4 16
Nutrient 1989-09-07 1991-06-25 4 4
Inorganics, Minor, Metals 1989-09-07 1991-06-25 4 132
Inorganics, Minor, Non-metals 1989-09-07 1991-06-25 4 8
Radiochemical 1989-09-07 1991-06-25 4 8
Sediment 1990-11-15 1990-11-15 1 8