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WQP Home >  Providers >  STORET >  MDEDAT03_WQX >  MDEDAT03_WQX-CHARM-G2

Gwynns Falls downstream; Carrol Park G2 (MDEDAT03_WQX-CHARM-G2) 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 Toxics Data (identifier MDEDAT03_WQX), has the name "Gwynns Falls downstream; Carrol Park G2" and has the identifier MDEDAT03_WQX-CHARM-G2. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)02060003.

This site is located in Baltimore County County, Maryland at 39.2713890000 degrees latitude and -76.4788890000 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 "MDEDAT03_WQX-CHARM-G2" 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 October 27, 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, Phytoplankton 1999 - 2000
Inorganics, Major, Non-metals 1999 - 2000
Inorganics, Minor, Metals 1999 - 2000
Inorganics, Minor, Non-metals 1999 - 1999
Nutrient 1999 - 2000
Organics, Other 1999 - 2000
Organics, PCBs 1999 - 2000
Physical 2000 - 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 MDEDAT03_WQX
OrganizationFormalName Maryland Dept. of the Environment Toxics Data
MonitoringLocationIdentifier MDEDAT03_WQX-CHARM-G2
MonitoringLocationName Gwynns Falls downstream; Carrol Park G2
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 02060003
LatitudeMeasure 39.2713890000
LongitudeMeasure -76.4788890000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 24
CountyCode 005
ProviderName STORET