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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-NCH-01

White Walnut Creek (IL_EPA_WQX-NCH-01) 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 illinois epa (identifier IL_EPA_WQX), has the name "White Walnut Creek" and has the identifier IL_EPA_WQX-NCH-01. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)07140106.

This site is located in Perry County County, Illinois at 38.1073200000 degrees latitude and -89.3476500000 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-NCH-01" 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 2013 - 2013
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2013 - 2013
Biological, Photosynthetic Pigments 2013 - 2013
Inorganics, Major, Metals 2013 - 2013
Inorganics, Major, Non-metals 2013 - 2013
Inorganics, Minor, Metals 2013 - 2013
Inorganics, Minor, Non-metals 2013 - 2013
Nutrient 2013 - 2013
Organics, Other 2013 - 2013
Physical 2013 - 2013
*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-NCH-01
MonitoringLocationName White Walnut Creek
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText 2 mi NE Pinckneyville
HUCEightDigitCode 07140106
LatitudeMeasure 38.1073200000
LongitudeMeasure -89.3476500000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 17
CountyCode 145
ProviderName STORET