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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-AR >  USGS-362440090535101

20N02E06AAC1 (USGS-362440090535101) 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 Arkansas Water Science Center (identifier USGS-AR), has the name "20N02E06AAC1" and has the identifier USGS-362440090535101. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11010009. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Randolph County County, Arkansas at 36.41079167000000 degrees latitude and -90.8959556000000 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 475 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.

This site is located in the "Ozark Plateaus aquifer system" aquifer. The geologic formation type is Roubidoux Formation. The aquifer is a Confined single aquifer type. The well was contructed on 19790904. The well depth is 900 ft. The well hole depth is 900 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-362440090535101" 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 1995 - 1995
Inorganics, Major, Metals 1979 - 1979
Inorganics, Major, Non-metals 1979 - 1995
Inorganics, Minor, Metals 1979 - 1979
Inorganics, Minor, Non-metals 1979 - 1979
Nutrient 1979 - 1979
Physical 1979 - 1995
*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-AR
OrganizationFormalName USGS Arkansas Water Science Center
MonitoringLocationIdentifier USGS-362440090535101
MonitoringLocationName 20N02E06AAC1
MonitoringLocationTypeName Well
HUCEightDigitCode 11010009
LatitudeMeasure 36.41079167000000
LongitudeMeasure -90.8959556000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 475
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 4.3
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from Digital Elevation Model
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 05
CountyCode 121
AquiferName Ozark Plateaus aquifer system
FormationTypeText Roubidoux Formation
AquiferTypeName Confined single aquifer
ConstructionDateText 19790904
WellDepthMeasure/MeasureValue 900
WellDepthMeasure/MeasureUnitCode ft
WellHoleDepthMeasure/MeasureValue 900
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName NWIS