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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 >  11NPSWRD_WQX >  11NPSWRD_WQX-GRSM_F_0108

Chasm Prong (Upper Bradley Fork) (11NPSWRD_WQX-GRSM_F_0108) site data in the Water Quality Portal

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

This river/stream perennial site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Chasm Prong (Upper Bradley Fork)" and has the identifier 11NPSWRD_WQX-GRSM_F_0108. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)06010203.

This site is located in Swain County County, North Carolina at 35.6343122100 degrees latitude and -83.3307310900 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 3395.9 ft No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "11NPSWRD_WQX-GRSM_F_0108" 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*
Inorganics, Major, Metals 1994 - 1995
Inorganics, Major, Non-metals 1994 - 1995
Nutrient 1994 - 1995
Physical 1994 - 1995
*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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-GRSM_F_0108
MonitoringLocationName Chasm Prong (Upper Bradley Fork)
MonitoringLocationTypeName River/Stream Perennial
MonitoringLocationDescriptionText Stream Order: 2 UTMX=288963; UTMY=3945650 Survey Period: 1994-1995 Other: From original park report: Route 36 - Upper Bradley Fork. Site 108 (Old Site 139E) - Chasm Prong above the confluence of Gulf Prong at 3400 ft. - use altimeter to help locate but this will be the stream entering from the left as you look upslope.
HUCEightDigitCode 06010203
LatitudeMeasure 35.6343122100
LongitudeMeasure -83.3307310900
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 3395.9
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Other
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 37
CountyCode 173
ProviderName STORET