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West Branch DuPage River @ Walnut Lane (MWRDSTOR-WW 89) 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 Metropolitan Water Reclamation District of Greater Chicago (identifier MWRDSTOR), has the name "West Branch DuPage River @ Walnut Lane" and has the identifier MWRDSTOR-WW 89. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC) 07120004. You can learn more about what is happening in this HUC at the EPA's Surf Your Watershed site or at the USGS Science In Your Watershed site.

This site is located in Dupage County County, Illinois at 41.8625000 degrees latitude and -88.1363667 degrees longitude using the datum UNKWN. No horizontal location accuracy metadata is available. This site is at an elevation of 0 ft No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "MWRDSTOR-WW 89" 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 National Linked Data Index, part of the Open Water Data Initiative.

When were data collected at this location?

Periods of record for data characteristic groups
Characteristic Group Date Range*
Biological 2002 - 2003
Inorganics, Major, Metals 2000 - 2003
Inorganics, Major, Non-metals 2000 - 2003
Inorganics, Minor, Metals 2000 - 2003
Inorganics, Minor, Non-metals 2000 - 2003
Microbiological 2000 - 2003
Nutrient 2000 - 2003
Organics, Other 2000 - 2003
Physical 2000 - 2003
Radiochemical 2001 - 2003
*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 MWRDSTOR
OrganizationFormalName Metropolitan Water Reclamation District of Greater Chicago
MonitoringLocationIdentifier MWRDSTOR-WW 89
MonitoringLocationName West Branch DuPage River @ Walnut Lane
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 07120004
LatitudeMeasure 41.8625000
LongitudeMeasure -88.1363667
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName UNKWN
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 17
CountyCode 043
ProviderName STORET