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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 >  BLCKFEET >  BLCKFEET-00000066

Big Rock Coulee (BLCKFEET-00000066) 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 Blackfeet Nation (Montana) (identifier BLCKFEET), has the name "Big Rock Coulee" and has the identifier BLCKFEET-00000066. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10030202.

This site is located in Glacier County County, Montana at 48.6854500000 degrees latitude and -112.3890555556 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 1121 m 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 "BLCKFEET-00000066" 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 2015 - 2019
Biological, Fish 2015 - 2019
Information 2015 - 2024
Inorganics, Major, Metals 2005 - 2005
Inorganics, Minor, Metals 2005 - 2005
Inorganics, Minor, Non-metals 2005 - 2011
Microbiological 2005 - 2019
Not Assigned 2015 - 2024
Nutrient 2005 - 2019
Physical 2004 - 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 BLCKFEET
OrganizationFormalName Blackfeet Nation (Montana)
MonitoringLocationIdentifier BLCKFEET-00000066
MonitoringLocationName Big Rock Coulee
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText 1/4 mile above mouth
HUCEightDigitCode 10030202
LatitudeMeasure 48.6854500000
LongitudeMeasure -112.3890555556
HorizontalCollectionMethodName GPS Code (Pseudo Range) Precise Position
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 1121
VerticalMeasure/MeasureUnitCode m
VerticalCollectionMethodName GPS Code (Pseudo Range) Precise Position
VerticalCoordinateReferenceSystemDatumName SEALV
CountryCode US
StateCode 30
CountyCode 035
ProviderName STORET