Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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-C11FLATR42

Flathead River at Blankenship Bridge (MDEQ_WQ_WQX-C11FLATR42) 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 "Flathead River at Blankenship Bridge" and has the identifier MDEQ_WQ_WQX-C11FLATR42. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17010208.

This site is located in Flathead County County, Montana at 48.4651500000 degrees latitude and -114.0708300000 degrees longitude using the datum NAD83. 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-C11FLATR42" 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 2023 - 2023
Biological, Fish 2023 - 2023
Information 2021 - 2024
Inorganics, Major, Metals 2021 - 2024
Inorganics, Major, Non-metals 2024 - 2024
Inorganics, Minor, Metals 2021 - 2024
Inorganics, Minor, Non-metals 2021 - 2024
Organics, Other 2021 - 2024
Physical 2021 - 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-C11FLATR42
MonitoringLocationName Flathead River at Blankenship Bridge
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Flathead River at Blankenship Bridge
HUCEightDigitCode 17010208
LatitudeMeasure 48.4651500000
LongitudeMeasure -114.0708300000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 30
CountyCode 029
ProviderName STORET