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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-M18MARIR08

Marias River at Loma downstream of Loma Bridge (MDEQ_WQ_WQX-M18MARIR08) 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 "Marias River at Loma downstream of Loma Bridge" and has the identifier MDEQ_WQ_WQX-M18MARIR08. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10030203.

This site is located in Chouteau County County, Montana at 47.9313890000 degrees latitude and -110.5069440000 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-M18MARIR08" 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 2005 - 2005
Biological, Counts 2005 - 2005
Information 2005 - 2024
Inorganics, Major, Metals 2005 - 2024
Inorganics, Major, Non-metals 2005 - 2023
Inorganics, Minor, Metals 2005 - 2024
Inorganics, Minor, Non-metals 2005 - 2024
Nutrient 2005 - 2023
Organics, Other 2012 - 2024
Organics, PCBs 2023 - 2023
Physical 2005 - 2024
Radiochemical 2012 - 2013
*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-M18MARIR08
MonitoringLocationName Marias River at Loma downstream of Loma Bridge
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Marias River at Loma (Fixed Station Site) downstream of Loma Bridge on Hwy 87
HUCEightDigitCode 10030203
LatitudeMeasure 47.9313890000
LongitudeMeasure -110.5069440000
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 30
CountyCode 015
ProviderName STORET