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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 >  STORET >  MDEQ_WQ_WQX >  MDEQ_WQ_WQX-M05GALLR02

Gallatin River near Three Forks (MDEQ_WQ_WQX-M05GALLR02) 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 Montana DEQ WQPB (identifier MDEQ_WQ_WQX), has the name "Gallatin River near Three Forks" and has the identifier MDEQ_WQ_WQX-M05GALLR02. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10020008.

This site is located in Gallatin County County, Montana at 45.9331170000 degrees latitude and -111.4922000000 degrees longitude using the datum NAD27. 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 "MDEQ_WQ_WQX-M05GALLR02" 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, Phytoplankton, Photosynthetic Pigments 2022 - 2024
Biological, Counts 2002 - 2023
Information 2002 - 2024
Inorganics, Major, Metals 2004 - 2024
Inorganics, Major, Non-metals 2004 - 2024
Inorganics, Minor, Metals 2004 - 2024
Inorganics, Minor, Non-metals 2004 - 2024
Microbiological 2004 - 2005
Nutrient 2004 - 2024
Organics, Other 2019 - 2024
Physical 2002 - 2024
*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 MDEQ_WQ_WQX
OrganizationFormalName Montana DEQ WQPB
MonitoringLocationIdentifier MDEQ_WQ_WQX-M05GALLR02
MonitoringLocationName Gallatin River near Three Forks
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Gallatin River near Three Forks located at the Missouri River Headwaters State Park. This site was established downstream of the previous site, M05GALLR01, due to better access.
HUCEightDigitCode 10020008
LatitudeMeasure 45.9331170000
LongitudeMeasure -111.4922000000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Differential
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 30
CountyCode 031
ProviderName STORET