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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-RTP-1

SLOCUM (IL_EPA-RTP-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 "SLOCUM" and has the identifier IL_EPA-RTP-1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07120006.

This site is located in Lake County County, Illinois at 42.2602810 degrees latitude and -88.1880590 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-RTP-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 2002 - 2003
Information 2002 - 2003
Nutrient 2002 - 2003
Physical 2002 - 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 IL_EPA
OrganizationFormalName Illinois EPA
MonitoringLocationIdentifier IL_EPA-RTP-1
MonitoringLocationName SLOCUM
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText SITE 1
HUCEightDigitCode 07120006
LatitudeMeasure 42.2602810
LongitudeMeasure -88.1880590
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD27
VerticalMeasure/MeasureValue 0
VerticalMeasure/MeasureUnitCode ft
VerticalCoordinateReferenceSystemDatumName Unknown
CountryCode US
StateCode 17
CountyCode 097
ProviderName STORET