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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 >  21MICH >  21MICH-420101

GRATIOT LAKE - GLEC MERCURY PROJECT (21MICH-420101) site data in the Water Quality Portal

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

This lake site, maintained by the Michigan Department of Environmental Quality (identifier 21MICH), has the name "GRATIOT LAKE - GLEC MERCURY PROJECT" and has the identifier 21MICH-420101. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)04020103.

This site is located in Keweenaw County County, Michigan at 47.3628830 degrees latitude and -88.1325830 degrees longitude using the datum NAD27. No horizontal location accuracy metadata is available. This site is at an elevation of 0 ft No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "21MICH-420101" 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, Minor, Metals 2001 - 2001
Physical 2001 - 2001
*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 21MICH
OrganizationFormalName Michigan Department of Environmental Quality
MonitoringLocationIdentifier 21MICH-420101
MonitoringLocationName GRATIOT LAKE - GLEC MERCURY PROJECT
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText GRATIOT LAKE - GLEC MERCURY PROJECT
HUCEightDigitCode 04020103
LatitudeMeasure 47.3628830
LongitudeMeasure -88.1325830
HorizontalCollectionMethodName Interpolation-Spot
HorizontalCoordinateReferenceSystemDatumName NAD27
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 26
CountyCode 083
ProviderName STORET