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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 >  IL_EPA >  IL_EPA-RGZZ-1

SEDGEWICK (IL_EPA-RGZZ-1) site data in the Water Quality Portal

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

This lake site, maintained by the Illinois EPA (identifier IL_EPA), has the name "SEDGEWICK" and has the identifier IL_EPA-RGZZ-1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07120004.

This site is located in Cook County County, Illinois at 41.6034000 degrees latitude and -87.8649000 degrees longitude using the datum NAD27. 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 "IL_EPA-RGZZ-1" 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 2001 - 2001
Information 2000 - 2001
Inorganics, Major, Metals 2000 - 2000
Inorganics, Minor, Metals 2000 - 2000
Inorganics, Minor, Non-metals 2000 - 2000
Nutrient 2000 - 2001
Organics, Other 2000 - 2000
Organics, PCBs 2000 - 2000
Organics, Pesticide 2000 - 2000
Physical 2000 - 2001
*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 IL_EPA
OrganizationFormalName Illinois EPA
MonitoringLocationIdentifier IL_EPA-RGZZ-1
MonitoringLocationName SEDGEWICK
MonitoringLocationTypeName Lake
HUCEightDigitCode 07120004
LatitudeMeasure 41.6034000
LongitudeMeasure -87.8649000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD27
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 17
CountyCode 031
ProviderName STORET