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New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here.

This legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  EMAP_CS_WQX >  EMAP_CS_WQX-CA01-0051

Central Bay (EMAP_CS_WQX-CA01-0051) site data in the Water Quality Portal

Data Provider: STORET (Learn more about Water Quality Portal Data Providers)

This estuary site, maintained by the Environmental Monitoring and Assessment Program (identifier EMAP_CS_WQX), has the name "Central Bay" and has the identifier EMAP_CS_WQX-CA01-0051. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18050004.

This site is located in San Francisco County County, California at 37.7950000000 degrees latitude and -122.3540000000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "EMAP_CS_WQX-CA01-0051" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application
Characteristic Group Date Range*
Physical 2001 - 2001
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier EMAP_CS_WQX
OrganizationFormalName Environmental Monitoring and Assessment Program
MonitoringLocationIdentifier EMAP_CS_WQX-CA01-0051
MonitoringLocationName Central Bay
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText Program: EMAP-West Coast/National Oceanic and Atmospheric Adm.
HUCEightDigitCode 18050004
LatitudeMeasure 37.7950000000
LongitudeMeasure -122.3540000000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 06
CountyCode 075
ProviderName STORET