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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-WI >  USGS-470200090394201

LK SUPERIOR SITE 7 NEAR ROCKY & S TWIN ISLANDS, WI (USGS-470200090394201) 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 Wisconsin Water Science Center (identifier USGS-WI), has the name "LK SUPERIOR SITE 7 NEAR ROCKY & S TWIN ISLANDS, WI" and has the identifier USGS-470200090394201. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)04010302. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Ashland County County, Wisconsin at 47.03326390000000 degrees latitude and -90.6618499000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from 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-470200090394201" 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, Major, Non-metals 1983 - 1983
Inorganics, Minor, Metals 1983 - 1983
Nutrient 1983 - 1983
Organics, Other 1983 - 1983
Physical 1983 - 1983
Sediment 1983 - 1983
*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-WI
OrganizationFormalName USGS Wisconsin Water Science Center
MonitoringLocationIdentifier USGS-470200090394201
MonitoringLocationName LK SUPERIOR SITE 7 NEAR ROCKY & S TWIN ISLANDS, WI
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 04010302
LatitudeMeasure 47.03326390000000
LongitudeMeasure -90.6618499000000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 55
CountyCode 003
ProviderName NWIS