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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-IL >  USGS-401041088242901

20N 7E-21.1d (USGS-401041088242901) site data in the Water Quality Portal

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

This well site, maintained by the USGS Illinois Water Science Center (identifier USGS-IL), has the name "20N 7E-21.1d" and has the identifier USGS-401041088242901. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07130006. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Champaign County County, Illinois at 40.17816667000000 degrees latitude and -88.4085556000000 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 .1 seconds. The source map scale is 1:24000. This site is at an elevation of 701 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from topographic map." is 5 feet. The vertical coordinate reference system is NGVD29.

This site is located in the "Sand and gravel aquifers (glaciated regions)" aquifer. The geologic formation type is Quaternary System. The aquifer is a Confined multiple aquifers type. The well was contructed on 19920813. The well depth is 210 ft. The well hole depth is 210 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-401041088242901" 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*
Information 1996 - 2018
Inorganics, Major, Metals 1996 - 2018
Inorganics, Major, Non-metals 1996 - 2018
Inorganics, Minor, Metals 1996 - 2018
Inorganics, Minor, Non-metals 1996 - 2018
Microbiological 2018 - 2018
Nutrient 1996 - 2018
Organics, Other 1996 - 2018
Organics, Pesticide 1996 - 2018
PFAS,Perfluorinated Alkyl Substance 2018 - 2018
Physical 1996 - 2018
Radiochemical 1996 - 2018
Stable Isotopes 1996 - 2018
*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-IL
OrganizationFormalName USGS Illinois Water Science Center
MonitoringLocationIdentifier USGS-401041088242901
MonitoringLocationName 20N 7E-21.1d
MonitoringLocationTypeName Well
HUCEightDigitCode 07130006
LatitudeMeasure 40.17816667000000
LongitudeMeasure -88.4085556000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 701
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 5
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from topographic map.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 17
CountyCode 019
AquiferName Sand and gravel aquifers (glaciated regions)
FormationTypeText Quaternary System
AquiferTypeName Confined multiple aquifers
ConstructionDateText 19920813
WellDepthMeasure/MeasureValue 210
WellDepthMeasure/MeasureUnitCode ft
WellHoleDepthMeasure/MeasureValue 210
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName NWIS