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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-GRKO_DOI_SB11

Floodplain Site 11 (11NPSWRD_WQX-GRKO_DOI_SB11) site data in the Water Quality Portal

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

This land flood plain site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Floodplain Site 11" and has the identifier 11NPSWRD_WQX-GRKO_DOI_SB11. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17010201.

This site is located in Powell County County, Montana at 46.4131880000 degrees latitude and -112.7459780000 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 "11NPSWRD_WQX-GRKO_DOI_SB11" 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 1996 - 1996
Inorganics, Minor, Metals 1996 - 1996
Inorganics, Minor, Non-metals 1996 - 1996
Not Assigned 1996 - 1996
Organics, Other 1996 - 1996
Physical 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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-GRKO_DOI_SB11
MonitoringLocationName Floodplain Site 11
MonitoringLocationTypeName Land Flood Plain
MonitoringLocationDescriptionText The site is located in a riparian area on the east side of the Clark Fork River.
HUCEightDigitCode 17010201
LatitudeMeasure 46.4131880000
LongitudeMeasure -112.7459780000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 30
CountyCode 077
ProviderName STORET