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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 >  STORET >  MDE_FIELDSERVICES_WQX >  MDE_FIELDSERVICES_WQX-NWA0166

Northwest Branch Anacostia River (MDE_FIELDSERVICES_WQX-NWA0166) site data in the Water Quality Portal

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

This river/stream site, maintained by the Maryland Dept. of the Environment In House Water Data (identifier MDE_FIELDSERVICES_WQX), has the name "Northwest Branch Anacostia River" and has the identifier MDE_FIELDSERVICES_WQX-NWA0166. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02070010.

This site is located in Montgomery County County, Maryland at 39.1011000000 degrees latitude and -77.0368830000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "MDE_FIELDSERVICES_WQX-NWA0166" 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 2008 - 2008
Biological, Algae, Phytoplankton 2008 - 2008
Biological, Photosynthetic Pigments 2008 - 2008
Information 2008 - 2008
Inorganics, Major, Non-metals 2008 - 2008
Nutrient 2008 - 2008
Organics, Other 2008 - 2008
Physical 2008 - 2008
*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 MDE_FIELDSERVICES_WQX
OrganizationFormalName Maryland Dept. of the Environment In House Water Data
MonitoringLocationIdentifier MDE_FIELDSERVICES_WQX-NWA0166
MonitoringLocationName Northwest Branch Anacostia River
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Station is located in Layhill Park, which is in greater Northwest Branch Recreational Park. Entrance to 14901 Layhill Park (not clearly showen on ADC map) sits between Baughman and Park Vista Drives. Follow entrance road and then grass stright back to be
HUCEightDigitCode 02070010
LatitudeMeasure 39.1011000000
LongitudeMeasure -77.0368830000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 24
CountyCode 031
ProviderName STORET