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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 >  NWIS >  USGS-MT >  USGS-06295000

Yellowstone River at Forsyth MT (USGS-06295000) site data in the Water Quality Portal

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

This stream site, maintained by the USGS Montana Water Science Center (identifier USGS-MT), has the name "Yellowstone River at Forsyth MT" and has the identifier USGS-06295000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10100001. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 40152 sq mi and the contributing drainage area is 39460 sq mi.

This site is located in Rosebud County County, Montana at 46.26663610000000 degrees latitude and -106.6913028000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from Digital MAP." and the accuracy is .1 seconds. This site is at an elevation of 2504.62 feet and the accuracy of the elevation measurement, collected using the method "Level or other surveyed method." is .01 feet. The vertical coordinate reference system is NGVD29.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-06295000" 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, Algae, Cyanobacteria 2000 - 2004
Biological, Algae, Phytoplankton 1975 - 1999
Biological, Algae, Phytoplankton, Cyanobacteria, Periphyton 1978 - 2004
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1978 - 2004
Biological, Counts 1975 - 1979
Biological, Photosynthetic Pigments 1978 - 1979
Information 1953 - 2009
Inorganics, Major, Metals 1953 - 2001
Inorganics, Major, Non-metals 1953 - 2009
Inorganics, Minor, Metals 1953 - 2001
Inorganics, Minor, Non-metals 1953 - 2001
Microbiological 1977 - 2001
Nutrient 1953 - 2009
Organics, Other 1975 - 2009
Organics, Pesticide 1999 - 2009
Physical 1953 - 2013
Radiochemical 1977 - 2001
Sediment 1975 - 2009
*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 USGS-MT
OrganizationFormalName USGS Montana Water Science Center
MonitoringLocationIdentifier USGS-06295000
MonitoringLocationName Yellowstone River at Forsyth MT
MonitoringLocationTypeName Stream
HUCEightDigitCode 10100001
DrainageAreaMeasure/MeasureValue 40152
DrainageAreaMeasure/MeasureUnitCode sq mi
ContributingDrainageAreaMeasure/MeasureValue 39460
ContributingDrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 46.26663610000000
LongitudeMeasure -106.6913028000000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from Digital MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 2504.62
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .01
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Level or other surveyed method.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 30
CountyCode 087
ProviderName NWIS