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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-06600520

Floyd River at Sioux City, IA (USGS-06600520) 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 "Floyd River at Sioux City, IA" and has the identifier USGS-06600520. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10230002. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 921 sq mi.

This site is located in Woodbury County County, Iowa at 42.48860520000000 degrees latitude and -96.3916956000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is Unknown Unknown.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-06600520" 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 1969 - 1972
Biological, Fish 1969 - 1972
Information 1970 - 1973
Inorganics, Major, Metals 1969 - 1973
Inorganics, Major, Non-metals 1969 - 1973
Inorganics, Minor, Metals 1969 - 1973
Inorganics, Minor, Non-metals 1969 - 1973
Microbiological 1969 - 1973
Nutrient 1969 - 1973
Organics, Other 1969 - 1972
Organics, PCBs 1973 - 1973
Organics, Pesticide 1970 - 1973
Physical 1969 - 1973
*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-06600520
MonitoringLocationName Floyd River at Sioux City, IA
MonitoringLocationTypeName Stream
HUCEightDigitCode 10230002
DrainageAreaMeasure/MeasureValue 921
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 42.48860520000000
LongitudeMeasure -96.3916956000000
HorizontalAccuracyMeasure/MeasureValue Unknown
HorizontalAccuracyMeasure/MeasureUnitCode Unknown
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 19
CountyCode 193
ProviderName NWIS