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WESTERN BRANCH AT UPPER MARLBORO, MD (USGS-01594526) 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 "WESTERN BRANCH AT UPPER MARLBORO, MD" and has the identifier USGS-01594526. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02060006. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 89.7 sq mi.

This site is located in Prince George's County County, Maryland at 38.81422220000000 degrees latitude and -76.7487222000000 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 4.42 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from Digital Elevation Model" 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-01594526" 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.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

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 1986 - 1997
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1985 - 1997
Biological, Photosynthetic Pigments 1985 - 1997
Information 1999 - 2000
Inorganics, Major, Metals 1994 - 2000
Inorganics, Major, Non-metals 1985 - 2000
Inorganics, Minor, Metals 1994 - 2000
Nutrient 1985 - 2000
Organics, Other 1985 - 2000
Organics, Pesticide 1999 - 2000
Physical 1985 - 2000
Sediment 1985 - 2000
*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-01594526
MonitoringLocationName WESTERN BRANCH AT UPPER MARLBORO, MD
MonitoringLocationTypeName Stream
HUCEightDigitCode 02060006
DrainageAreaMeasure/MeasureValue 89.7
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 38.81422220000000
LongitudeMeasure -76.7487222000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 4.42
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from Digital Elevation Model
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 24
CountyCode 033
ProviderName NWIS