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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 >  STORET >  21IOWA_WQX >  21IOWA_WQX-10210003

Little Sioux River Downstream of Spencer (DS1) (21IOWA_WQX-10210003) site data in the Water Quality Portal

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

This river/stream site, maintained by the Iowa DNR Surface Water Monitoring Data (identifier 21IOWA_WQX), has the name "Little Sioux River Downstream of Spencer (DS1)" and has the identifier 21IOWA_WQX-10210003. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10230003.

This site is located in Clay County County, Iowa at 43.1337320000 degrees latitude and -95.1122390000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "21IOWA_WQX-10210003" 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 1999 - 2005
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1999 - 2014
Biological, Photosynthetic Pigments 1999 - 2005
Information 2001 - 2006
Inorganics, Major, Non-metals 1999 - 2014
Inorganics, Minor, Metals 1999 - 2006
Inorganics, Minor, Non-metals 1999 - 2006
Microbiological 1999 - 2014
Nutrient 1999 - 2014
Organics, Other 1999 - 2014
Organics, PCBs 1999 - 2003
Organics, Pesticide 1999 - 2014
Physical 1999 - 2014
Stable Isotopes 1999 - 2000
*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 21IOWA_WQX
OrganizationFormalName Iowa DNR Surface Water Monitoring Data
MonitoringLocationIdentifier 21IOWA_WQX-10210003
MonitoringLocationName Little Sioux River Downstream of Spencer (DS1)
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText County Road M50 bridge, E of Spencer. Downstream City Site.
HUCEightDigitCode 10230003
LatitudeMeasure 43.1337320000
LongitudeMeasure -95.1122390000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 19
CountyCode 041
ProviderName STORET