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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_FISH_CFMR

Clark Fork Middle Reach (11NPSWRD_WQX-GRKO_FISH_CFMR) 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 National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Clark Fork Middle Reach" and has the identifier 11NPSWRD_WQX-GRKO_FISH_CFMR. 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 46.4080494000 degrees latitude and -112.7460994000 degrees longitude using the datum UNKWN. 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_FISH_CFMR" 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, Counts 2002 - 2002
Biological, Fish 2002 - 2002
*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_FISH_CFMR
MonitoringLocationName Clark Fork Middle Reach
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText The Clark Fork Middle Reach was located upstream of the bridge near the ranch buildings, and was 300 m in length. Habitat conditions were similar to those described for the Upper Reach, although with slightly less diversity in depths and streamflow velocities. The upstream end of the reach is located at latitude 46.40708 and longitude 112.74533 and the downstream end of the reach is located at latitude 46.40878 and longitude 112.74585. The given latitude and longitude is the middle of the reach.
HUCEightDigitCode 17010201
LatitudeMeasure 46.4080494000
LongitudeMeasure -112.7460994000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 30
CountyCode 077
ProviderName STORET