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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-01657000

BULL RUN NEAR MANASSAS, VA (USGS-01657000) 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 "BULL RUN NEAR MANASSAS, VA" and has the identifier USGS-01657000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02070010. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 146 sq mi.

This site is located in Fairfax County County, Virginia at 38.79789200000000 degrees latitude and -77.4574886000000 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 138.76 feet and the accuracy of the elevation measurement, collected using the method "Reported method of determination." is 1 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-01657000" 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 1952 - 1979
Inorganics, Major, Non-metals 1952 - 1979
Inorganics, Minor, Metals 1952 - 1979
Inorganics, Minor, Non-metals 1979 - 1979
Nutrient 1952 - 1979
Organics, Other 1974 - 1974
Physical 1952 - 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-01657000
MonitoringLocationName BULL RUN NEAR MANASSAS, VA
MonitoringLocationTypeName Stream
HUCEightDigitCode 02070010
DrainageAreaMeasure/MeasureValue 146
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 38.79789200000000
LongitudeMeasure -77.4574886000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue Unknown
HorizontalAccuracyMeasure/MeasureUnitCode Unknown
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 138.76
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Reported method of determination.
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 51
CountyCode 059
ProviderName NWIS