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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 user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  NWIS >  USGS-MD >  USGS-01618000

POTOMAC RIVER AT SHEPHERDSTOWN, WV (USGS-01618000) 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 Maryland Water Science Center (identifier USGS-MD), has the name "POTOMAC RIVER AT SHEPHERDSTOWN, WV" and has the identifier USGS-01618000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02070004. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 5955 sq mi.

This site is located in Jefferson County County, West Virginia at 39.43472220000000 degrees latitude and -77.8013888900000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 1 seconds. The source map scale is 1:24000. This site is at an elevation of 280.26 feet and the accuracy of the elevation measurement, collected using the method "GNSS4 - Level 4 Quality Survey Grade Global Navigation Satellite System" is 0.1 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-01618000" 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 1979 - 1980
Biological, Counts 1979 - 1980
Information 1992 - 1992
Inorganics, Major, Metals 1960 - 1993
Inorganics, Major, Non-metals 1960 - 2002
Inorganics, Minor, Metals 1960 - 1993
Inorganics, Minor, Non-metals 1960 - 1993
Microbiological 1979 - 1993
Nutrient 1960 - 2002
Organics, Other 1960 - 1992
Organics, PCBs 1992 - 1992
Organics, Pesticide 1992 - 1992
Physical 1960 - 2002
Radiochemical 1981 - 1992
Sediment 1979 - 2002
*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-MD
OrganizationFormalName USGS Maryland Water Science Center
MonitoringLocationIdentifier USGS-01618000
MonitoringLocationName POTOMAC RIVER AT SHEPHERDSTOWN, WV
MonitoringLocationTypeName Stream
HUCEightDigitCode 02070004
DrainageAreaMeasure/MeasureValue 5955
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 39.43472220000000
LongitudeMeasure -77.8013888900000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 280.26
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 0.1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName GNSS4 - Level 4 Quality Survey Grade Global Navigation Satellite System
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 54
CountyCode 037
ProviderName NWIS