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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 >  NWIS >  USGS-VA >  USGS-02055000

ROANOKE RIVER AT ROANOKE, VA (USGS-02055000) site data in the Water Quality Portal

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

This stream site, maintained by the USGS Virginia Water Science Center (identifier USGS-VA), has the name "ROANOKE RIVER AT ROANOKE, VA" and has the identifier USGS-02055000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)03010101. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 384 sq mi.

This site is located in Roanoke City County, Virginia at 37.25847085000000 degrees latitude and -79.9386485000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is Unknown Unknown. The source map scale is 1:24000. This site is at an elevation of 906.4 feet and the accuracy of the elevation measurement, collected using the method "GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System" is .09 feet. The vertical coordinate reference system is NAVD88.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-02055000" 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, Phytoplankton 1975 - 1975
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1974 - 1979
Biological, Counts 1975 - 1975
Biological, Photosynthetic Pigments 1974 - 1979
Inorganics, Major, Metals 1929 - 1974
Inorganics, Major, Non-metals 1929 - 1979
Inorganics, Minor, Metals 1929 - 1968
Microbiological 1974 - 1979
Nutrient 1929 - 1979
Organics, Other 1974 - 1979
Physical 1929 - 1979
Sediment 1974 - 1979
*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 USGS-VA
OrganizationFormalName USGS Virginia Water Science Center
MonitoringLocationIdentifier USGS-02055000
MonitoringLocationName ROANOKE RIVER AT ROANOKE, VA
MonitoringLocationTypeName Stream
HUCEightDigitCode 03010101
DrainageAreaMeasure/MeasureValue 384
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 37.25847085000000
LongitudeMeasure -79.9386485000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue Unknown
HorizontalAccuracyMeasure/MeasureUnitCode Unknown
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 906.4
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .09
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 51
CountyCode 770
ProviderName NWIS