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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 >  11NPSWRD_WQX >  11NPSWRD_WQX-GLAC_NPS_02C

Lake McDonald near Apgar (11NPSWRD_WQX-GLAC_NPS_02C) site data in the Water Quality Portal

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

This lake site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Lake McDonald near Apgar" and has the identifier 11NPSWRD_WQX-GLAC_NPS_02C. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17010207.

This site is located in Flathead County County, Montana at 48.5293100000 degrees latitude and -113.9941800000 degrees longitude using the datum OTHER. 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 "11NPSWRD_WQX-GLAC_NPS_02C" 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 2018 - 2018
Biological, Photosynthetic Pigments 2018 - 2018
Information 2018 - 2018
Inorganics, Major, Metals 2018 - 2018
Inorganics, Major, Non-metals 2018 - 2018
Inorganics, Minor, Metals 2018 - 2018
Microbiological 2018 - 2018
Not Assigned 2018 - 2018
Nutrient 2018 - 2018
Organics, Other 2018 - 2018
Organics, Pesticide 2018 - 2018
PFAS,Perfluorinated Alkyl Substance 2018 - 2018
Physical 2018 - 2018
Stable Isotopes 2018 - 2018
*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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-GLAC_NPS_02C
MonitoringLocationName Lake McDonald near Apgar
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText This station is at Lake McDonald near Apgar. Coordinate methods were GPS, map interpolation, and random choice; datum were NAD83 and WGS84. At this station samples were collected by grab, bladder pump (10-meter depth), and 50-meter horizontal tow. For the first horizontal tow at 1830, the start coordinates were 48.52987N, 113.99441W, and the end coordinates were 48.52961N, 113.99344W. For the second tow at 1834, the start coordinates were 48.52979N, 113.99429W, and the end coordinates were 48.5296N, 113.99338W.
HUCEightDigitCode 17010207
LatitudeMeasure 48.5293100000
LongitudeMeasure -113.9941800000
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName OTHER
CountryCode US
StateCode 30
CountyCode 029
ProviderName STORET