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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 >  MTVOLWQM_WQX >  MTVOLWQM_WQX-BHRA_Y11BGHNR01

Bighorn River at Mallards Landing FAS (MTVOLWQM_WQX-BHRA_Y11BGHNR01) 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 Volunteer Water Quality Monitoring (identifier MTVOLWQM_WQX), has the name "Bighorn River at Mallards Landing FAS" and has the identifier MTVOLWQM_WQX-BHRA_Y11BGHNR01. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10080015.

This site is located in Big Horn County County, Montana at 45.5213670000 degrees latitude and -107.7267830000 degrees longitude using the datum WGS84. 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 "MTVOLWQM_WQX-BHRA_Y11BGHNR01" 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 2020 - 2023
Inorganics, Minor, Non-metals 2020 - 2021
Nutrient 2020 - 2023
Physical 2020 - 2023
*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 MTVOLWQM_WQX
OrganizationFormalName Montana Volunteer Water Quality Monitoring
MonitoringLocationIdentifier MTVOLWQM_WQX-BHRA_Y11BGHNR01
MonitoringLocationName Bighorn River at Mallards Landing FAS
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Bighorn River at Mallards Landing FAS
HUCEightDigitCode 10080015
LatitudeMeasure 45.5213670000
LongitudeMeasure -107.7267830000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 30
CountyCode 003
ProviderName STORET