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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-05451753

Onion Creek below U.S. Highway 30 near Montour, IA (USGS-05451753) 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 "Onion Creek below U.S. Highway 30 near Montour, IA" and has the identifier USGS-05451753. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07080208. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 5.03 sq mi.

This site is located in Tama County County, Iowa at 41.99816667000000 degrees latitude and -92.6713056000000 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.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-05451753" 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, Cyanobacteria 2010 - 2012
Biological, Algae, Phytoplankton 2010 - 2013
Biological, Algae, Phytoplankton, Cyanobacteria, Periphyton 2010 - 2012
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2010 - 2012
Biological, Fish 2010 - 2013
Information 2006 - 2013
Inorganics, Major, Metals 2006 - 2011
Inorganics, Major, Non-metals 2006 - 2013
Inorganics, Minor, Metals 2006 - 2013
Inorganics, Minor, Non-metals 2006 - 2013
Microbiological 2006 - 2013
Nutrient 2006 - 2013
Organics, Other 2006 - 2013
Organics, PCBs 2010 - 2010
Organics, Pesticide 2006 - 2013
Physical 2006 - 2013
Radiochemical 2006 - 2013
Sediment 2010 - 2011
*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-05451753
MonitoringLocationName Onion Creek below U.S. Highway 30 near Montour, IA
MonitoringLocationTypeName Stream
HUCEightDigitCode 07080208
DrainageAreaMeasure/MeasureValue 5.03
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 41.99816667000000
LongitudeMeasure -92.6713056000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from Digital MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 19
CountyCode 171
ProviderName NWIS