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.

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 >  NWIS >  USGS-SD >  USGS-440331103172300

CANYON LAKE SE ISLAND AT RAPID CITY,SD (USGS-440331103172300) 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 South Dakota Water Science Center (identifier USGS-SD), has the name "CANYON LAKE SE ISLAND AT RAPID CITY,SD" and has the identifier USGS-440331103172300. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10120110. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Pennington County County, South Dakota at 44.05859890000000 degrees latitude and -103.2901833000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 1 minutes. The source map scale is 1:24000. This site is at an elevation of 3360 feet and the accuracy of the elevation measurement, collected using the method "Reported method of determination." is 111 feet. The vertical coordinate reference system is NGVD29.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-440331103172300" 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 2017 - 2019
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1991 - 2019
Biological, Photosynthetic Pigments 1991 - 1998
Inorganics, Major, Metals 1991 - 1992
Inorganics, Major, Non-metals 1991 - 2019
Inorganics, Minor, Metals 1991 - 1992
Inorganics, Minor, Non-metals 1991 - 1992
Microbiological 1991 - 2019
Nutrient 1991 - 2019
Organics, Other 1997 - 2019
Physical 1991 - 2019
*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-SD
OrganizationFormalName USGS South Dakota Water Science Center
MonitoringLocationIdentifier USGS-440331103172300
MonitoringLocationName CANYON LAKE SE ISLAND AT RAPID CITY,SD
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 10120110
LatitudeMeasure 44.05859890000000
LongitudeMeasure -103.2901833000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode minutes
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 3360
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 111
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Reported method of determination.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 46
CountyCode 103
ProviderName NWIS