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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 >  NWIS >  USGS-MI >  USGS-480852088322901

LAKE AHMIK NR CENTER OF LAKE ISLE ROYALE, MI (USGS-480852088322901) site data in the Water Quality Portal

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

This lake, reservoir, impoundment site, maintained by the USGS Michigan Water Science Center (identifier USGS-MI), has the name "LAKE AHMIK NR CENTER OF LAKE ISLE ROYALE, MI" and has the identifier USGS-480852088322901. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)04020300. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Keweenaw County County, Michigan at 48.14788056000000 degrees latitude and -88.5415500000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)" and the accuracy is 3 seconds. The source map scale is 1:24000. This site is at an elevation of 622 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from Digital Elevation Model" is 4.3 feet. The vertical coordinate reference system is NAVD88.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-480852088322901" 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 2013 - 2013
Information 2013 - 2013
Inorganics, Major, Non-metals 2013 - 2013
Nutrient 2013 - 2013
Organics, Other 2013 - 2013
Physical 2013 - 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 USGS-MI
OrganizationFormalName USGS Michigan Water Science Center
MonitoringLocationIdentifier USGS-480852088322901
MonitoringLocationName LAKE AHMIK NR CENTER OF LAKE ISLE ROYALE, MI
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 04020300
LatitudeMeasure 48.14788056000000
LongitudeMeasure -88.5415500000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 3
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 622
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 4.3
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from Digital Elevation Model
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 26
CountyCode 083
ProviderName NWIS