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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 >  MTWTRSHD_WQX >  MTWTRSHD_WQX-GA1

Grand Avenue Outfall (MTWTRSHD_WQX-GA1) site data in the Water Quality Portal

Data Provider: STORET (Learn more about Water Quality Portal Data Providers)

This storm sewer site, maintained by the Montana Watershed (identifier MTWTRSHD_WQX), has the name "Grand Avenue Outfall" and has the identifier MTWTRSHD_WQX-GA1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17010211.

This site is located in Flathead County County, Montana at 48.0625000000 degrees latitude and -114.0753600000 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 "MTWTRSHD_WQX-GA1" 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*
Inorganics, Major, Non-metals 2010 - 2014
Inorganics, Minor, Metals 2010 - 2014
Microbiological 2010 - 2014
Nutrient 2010 - 2014
Organics, Other 2010 - 2014
Physical 2010 - 2014
*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 MTWTRSHD_WQX
OrganizationFormalName Montana Watershed
MonitoringLocationIdentifier MTWTRSHD_WQX-GA1
MonitoringLocationName Grand Avenue Outfall
MonitoringLocationTypeName Storm Sewer
HUCEightDigitCode 17010211
LatitudeMeasure 48.0625000000
LongitudeMeasure -114.0753600000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName GPS Code (Pseudo Range) Standard Position (SA Off)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 30
CountyCode 029
ProviderName STORET