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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 >  STORET >  DOEE >  DOEE-PMS01

Potomac River (DOEE-PMS01) site data in the Water Quality Portal

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

This estuary site, maintained by the District Of Columbia Department Of Energy And Environment-water Quality Division (identifier DOEE), has the name "Potomac River" and has the identifier DOEE-PMS01. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02070010.

This site is located in District Of Columbia County, District Of Columbia at 38.9163694400 degrees latitude and -77.1034361100 degrees longitude using the datum WGS84. 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 "DOEE-PMS01" 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 2001 - 2002
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2001 - 2023
Information 2001 - 2023
Inorganics, Major, Non-metals 2019 - 2019
Inorganics, Minor, Metals 2000 - 2012
Inorganics, Minor, Non-metals 2000 - 2012
Microbiological 2000 - 2023
Not Assigned 2001 - 2023
Nutrient 2001 - 2021
Physical 2001 - 2023
*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 DOEE
OrganizationFormalName District Of Columbia Department Of Energy And Environment-water Quality Division
MonitoringLocationIdentifier DOEE-PMS01
MonitoringLocationName Potomac River
MonitoringLocationTypeName Estuary
HUCEightDigitCode 02070010
LatitudeMeasure 38.9163694400
LongitudeMeasure -77.1034361100
HorizontalCollectionMethodName GPS Code (Pseudo Range) Precise Position
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 11
CountyCode 001
ProviderName STORET