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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-IA >  USGS-420031091443301

2015USGS GPW1 (USGS-420031091443301) site data in the Water Quality Portal

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

This well: collector or ranney type well site, maintained by the USGS Iowa Water Science Center (identifier USGS-IA), has the name "2015USGS GPW1" and has the identifier USGS-420031091443301. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07080205. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Linn County County, Iowa at 42.00877778000000 degrees latitude and -91.7426944000000 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 5 seconds. The source map scale is 1:24000. This site is at an elevation of 721.58 feet and the accuracy of the elevation measurement, collected using the method "GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System" is .16 feet. The vertical coordinate reference system is NAVD88.

This site is located in the "Sand and gravel aquifers (glaciated regions)" aquifer. The geologic formation type is Holocene Alluvium. The aquifer is a Unconfined single aquifer type. The well was contructed on 20150914. The well depth is 60 ft. The well hole depth is 61 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-420031091443301" 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 2023 - 2023
Inorganics, Major, Metals 2022 - 2023
Inorganics, Major, Non-metals 2022 - 2023
Inorganics, Minor, Metals 2022 - 2023
Inorganics, Minor, Non-metals 2022 - 2023
Nutrient 2022 - 2023
Organics, Other 2022 - 2023
Organics, PCBs 2022 - 2023
Organics, Pesticide 2022 - 2023
PFAS,Perfluorinated Alkyl Substance 2022 - 2023
Physical 2022 - 2023
*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-IA
OrganizationFormalName USGS Iowa Water Science Center
MonitoringLocationIdentifier USGS-420031091443301
MonitoringLocationName 2015USGS GPW1
MonitoringLocationTypeName Well: Collector or Ranney type well
HUCEightDigitCode 07080205
LatitudeMeasure 42.00877778000000
LongitudeMeasure -91.7426944000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 721.58
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .16
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 19
CountyCode 113
AquiferName Sand and gravel aquifers (glaciated regions)
FormationTypeText Holocene Alluvium
AquiferTypeName Unconfined single aquifer
ConstructionDateText 20150914
WellDepthMeasure/MeasureValue 60
WellDepthMeasure/MeasureUnitCode ft
WellHoleDepthMeasure/MeasureValue 61
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName NWIS