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WQP Home >  Providers >  STORET >  21VASWCB >  21VASWCB-1APOH000.21

Red Nun Ch.Marker #62 (21VASWCB-1APOH000.21) site data in the Water Quality Portal

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

This estuary site, maintained by the VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY (identifier 21VASWCB), has the name "Red Nun Ch.Marker #62" and has the identifier 21VASWCB-1APOH000.21. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02070010.

This site is located in Fairfax County County, Virginia at 38.6650000000 degrees latitude and -77.1381000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolation-Map" and the accuracy is 100 ft. The source map scale is 1:24000. This site is at an elevation of 0 ft No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "21VASWCB-1APOH000.21" 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*
Biological, Algae, Cyanobacteria 2003 - 2005
Biological, Algae, Phytoplankton 2003 - 2005
Biological, Photosynthetic Pigments 2003 - 2005
Information 1986 - 2005
Inorganics, Major, Metals 2004 - 2005
Inorganics, Major, Non-metals 1972 - 2004
Microbiological 2003 - 2005
Nutrient 2003 - 2005
Physical 1972 - 2005
Sediment 2003 - 2004
*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 21VASWCB
OrganizationFormalName VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY
MonitoringLocationIdentifier 21VASWCB-1APOH000.21
MonitoringLocationName Red Nun Ch.Marker #62
MonitoringLocationTypeName Estuary
MonitoringLocationDescriptionText Potomac Embayment Station, ended 2005 switched to 1APOH000.93
HUCEightDigitCode 02070010
LatitudeMeasure 38.6650000000
LongitudeMeasure -77.1381000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 100
HorizontalAccuracyMeasure/MeasureUnitCode ft
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName SEALV
CountryCode US
StateCode 51
CountyCode 059
ProviderName STORET