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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-412832095132701

077N38W16BAAC 22927 1971Walnut 2 (USGS-412832095132701) 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 Iowa Water Science Center (identifier USGS-IA), has the name "077N38W16BAAC 22927 1971Walnut 2" and has the identifier USGS-412832095132701. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10240002. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Pottawattamie County County, Iowa at 41.47538889000000 degrees latitude and -95.2242222000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from Digital MAP." and the accuracy is .1 seconds. The source map scale is 1:24000. This site is at an elevation of 1300.19 feet and the accuracy of the elevation measurement, collected using the method "Light Detection And Ranging, airplane" is .01 feet. The vertical coordinate reference system is NAVD88.

This site is located in the "Cambrian-Ordovician aquifer system" aquifer. The geologic formation type is Ordovician System. The aquifer is a Confined multiple aquifers type. The well was contructed on 19711001. The well depth is 2635 ft. The well hole depth is 2635 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-412832095132701" 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 2005 - 2014
Inorganics, Major, Metals 2005 - 2014
Inorganics, Major, Non-metals 2005 - 2014
Inorganics, Minor, Metals 2005 - 2014
Inorganics, Minor, Non-metals 2005 - 2014
Microbiological 2005 - 2014
Nutrient 2005 - 2014
Organics, Other 2005 - 2014
Organics, Pesticide 2005 - 2014
PFAS,Perfluorinated Alkyl Substance 2014 - 2014
Physical 2005 - 2014
Radiochemical 2005 - 2014
Stable Isotopes 2005 - 2014
*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-412832095132701
MonitoringLocationName 077N38W16BAAC 22927 1971Walnut 2
MonitoringLocationTypeName Well
HUCEightDigitCode 10240002
LatitudeMeasure 41.47538889000000
LongitudeMeasure -95.2242222000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from Digital MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 1300.19
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .01
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Light Detection And Ranging, airplane
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 19
CountyCode 155
AquiferName Cambrian-Ordovician aquifer system
FormationTypeText Ordovician System
AquiferTypeName Confined multiple aquifers
ConstructionDateText 19711001
WellDepthMeasure/MeasureValue 2635
WellDepthMeasure/MeasureUnitCode ft
WellHoleDepthMeasure/MeasureValue 2635
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName NWIS