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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_WQX >  IL_EPA_WQX-RDZF

Greenfield (IL_EPA_WQX-RDZF) 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_WQX), has the name "Greenfield" and has the identifier IL_EPA_WQX-RDZF. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07130012.

This site is located in Greene County County, Illinois at 39.3395765732 degrees latitude and -90.1991243075 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 "IL_EPA_WQX-RDZF" 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 2009 - 2021
Biological, Aquatic Plants 2009 - 2009
Biological, Counts 2009 - 2009
Information 2009 - 2021
Inorganics, Minor, Metals 2019 - 2019
Not Assigned 2009 - 2009
Organics, Other 2017 - 2019
Organics, Pesticide 2017 - 2019
Physical 2009 - 2021
Physical, Habitat 2009 - 2009
Sediment 2009 - 2009
*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_WQX
OrganizationFormalName illinois epa
MonitoringLocationIdentifier IL_EPA_WQX-RDZF
MonitoringLocationName Greenfield
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText This site represents the entire lake, but not necessarily any specific location in the lake. The ArcGIS Central Points Coordinates tool was used, on lake-polygon features, to derive geographic coordinates.
HUCEightDigitCode 07130012
LatitudeMeasure 39.3395765732
LongitudeMeasure -90.1991243075
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 17
CountyCode 061
ProviderName STORET