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WQP Home >  Providers >  STORET >  CALWR_WQX >  CALWR_WQX-B9D75861368

Contra Costa @ Rock Slough (CALWR_WQX-B9D75861368) site data in the Water Quality Portal

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

This other-surface water site, maintained by the California Department Of Water Resources (identifier CALWR_WQX), has the name "Contra Costa @ Rock Slough" and has the identifier CALWR_WQX-B9D75861368. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18040003.

This site is located in Contra Costa County County, California at 37.9769167000 degrees latitude and -121.6130833300 degrees longitude using the datum NAD83. The horizontal location collection method was "GPS-Unspecified" and the accuracy is 1 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "CALWR_WQX-B9D75861368" 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*
Inorganics, Major, Metals 2009 - 2011
Inorganics, Major, Non-metals 2009 - 2011
Inorganics, Minor, Non-metals 2009 - 2011
Nutrient 2009 - 2011
Physical 2009 - 2011
*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 CALWR_WQX
OrganizationFormalName California Department Of Water Resources
MonitoringLocationIdentifier CALWR_WQX-B9D75861368
MonitoringLocationName Contra Costa @ Rock Slough
MonitoringLocationTypeName Other-Surface Water
MonitoringLocationDescriptionText Temp Station in place of ConCosPP1 @ marina on Rock slough south east of Delta road bridge.
HUCEightDigitCode 18040003
LatitudeMeasure 37.9769167000
LongitudeMeasure -121.6130833300
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode ft
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 06
CountyCode 013
ProviderName STORET