Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

WQP Home >  Providers >  NWIS >  USGS-MN >  USGS-482241092311501

SAND POINT LAKE AT GRASSY BAY (USGS-482241092311501) 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 Minnesota Water Science Center (identifier USGS-MN), has the name "SAND POINT LAKE AT GRASSY BAY" and has the identifier USGS-482241092311501. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)09030001. See more details of this site the the USGS NWIS Web page for this site.

This site is located in St. Louis County County, Minnesota at 48.38136110000000 degrees latitude and -92.5208333000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from Digital MAP." and the accuracy is .1 seconds.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-482241092311501" 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, Cyanobacteria 2013 - 2015
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2013 - 2015
Information 2013 - 2015
Inorganics, Major, Non-metals 2013 - 2015
Inorganics, Minor, Metals 2013 - 2015
Nutrient 2013 - 2015
Organics, Other 2013 - 2015
Physical 2013 - 2015
*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-MN
OrganizationFormalName USGS Minnesota Water Science Center
MonitoringLocationIdentifier USGS-482241092311501
MonitoringLocationName SAND POINT LAKE AT GRASSY BAY
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 09030001
LatitudeMeasure 48.38136110000000
LongitudeMeasure -92.5208333000000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from Digital MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 27
CountyCode 137
ProviderName NWIS