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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 >  MDE_TMDL >  MDE_TMDL-BSM46

Patapsco River (MDE_TMDL-BSM46) site data in the Water Quality Portal

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

This estuary site, maintained by the TMDL Technical Development Program (identifier MDE_TMDL), has the name "Patapsco River" and has the identifier MDE_TMDL-BSM46. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02060003.

This site is located in Baltimore City County, Maryland at 39.2100000000 degrees latitude and -76.5783000000 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_TMDL-BSM46" 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*
Organics, Other 1996 - 1996
Organics, PCBs 1996 - 1996
*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_TMDL
OrganizationFormalName TMDL Technical Development Program
MonitoringLocationIdentifier MDE_TMDL-BSM46
MonitoringLocationName Patapsco River
MonitoringLocationTypeName Estuary
HUCEightDigitCode 02060003
LatitudeMeasure 39.2100000000
LongitudeMeasure -76.5783000000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 24
CountyCode 510
ProviderName STORET