Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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-05421000

Wapsipinicon River at Independence, IA (USGS-05421000) site data in the Water Quality Portal

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

This stream site, maintained by the USGS Iowa Water Science Center (identifier USGS-IA), has the name "Wapsipinicon River at Independence, IA" and has the identifier USGS-05421000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07080102. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 1048 sq mi.

This site is located in Buchanan County County, Iowa at 42.46359796000000 degrees latitude and -91.8951722000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 5 seconds. The source map scale is 1:24000. This site is at an elevation of 882.74 feet and the accuracy of the elevation measurement, collected using the method "Level or other surveyed method." is .01 feet. The vertical coordinate reference system is NAVD88.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-05421000" 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*
Biological, Algae, Phytoplankton 1995 - 2012
Biological, Fish 1995 - 2012
Information 1981 - 2012
Inorganics, Major, Metals 1969 - 1974
Inorganics, Major, Non-metals 1969 - 2012
Inorganics, Minor, Metals 1969 - 1974
Inorganics, Minor, Non-metals 1974 - 1974
Microbiological 1974 - 1974
Nutrient 1969 - 2012
Organics, Other 1995 - 2019
Organics, PFAS 2019 - 2019
Organics, Pesticide 1989 - 2002
PFAS,Perfluorinated Alkyl Substance 2019 - 2019
PFOA, Perfluorooctanoic Acid 2019 - 2019
Physical 1947 - 2012
Sediment 1981 - 1981
*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-05421000
MonitoringLocationName Wapsipinicon River at Independence, IA
MonitoringLocationTypeName Stream
HUCEightDigitCode 07080102
DrainageAreaMeasure/MeasureValue 1048
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 42.46359796000000
LongitudeMeasure -91.8951722000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 882.74
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .01
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Level or other surveyed method.
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 19
CountyCode 019
ProviderName NWIS