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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 user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  NWIS >  USGS-NE >  USGS-404524099450201

9N 21W18AA 1 (USGS-404524099450201) 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 Nebraska Water Science Center (identifier USGS-NE), has the name "9N 21W18AA 1" and has the identifier USGS-404524099450201. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10200101. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Dawson County County, Nebraska at 40.75667290000000 degrees latitude and -99.7509497000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 5 seconds. This site is at an elevation of 2392 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from Digital Elevation Model" is 1.6 feet. The vertical coordinate reference system is NAVD88.

This site is located in the "High Plains aquifer" aquifer. The geologic formation type is Sand and Gravel Deposits. The well depth is 12.0 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-404524099450201" 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 1951 - 1951
Inorganics, Major, Metals 1951 - 1951
Inorganics, Major, Non-metals 1951 - 1951
Inorganics, Minor, Metals 1951 - 1951
Inorganics, Minor, Non-metals 1951 - 1951
Nutrient 1951 - 1951
Physical 1951 - 1951
*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-NE
OrganizationFormalName USGS Nebraska Water Science Center
MonitoringLocationIdentifier USGS-404524099450201
MonitoringLocationName 9N 21W18AA 1
MonitoringLocationTypeName Well
HUCEightDigitCode 10200101
LatitudeMeasure 40.75667290000000
LongitudeMeasure -99.7509497000000
HorizontalAccuracyMeasure/MeasureValue 5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 2392
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 1.6
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from Digital Elevation Model
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 31
CountyCode 047
AquiferName High Plains aquifer
FormationTypeText Sand and Gravel Deposits
WellDepthMeasure/MeasureValue 12.0
WellDepthMeasure/MeasureUnitCode ft
ProviderName NWIS