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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 >  ARDEQH2O_WQX >  ARDEQH2O_WQX-LRED010A

Gillham Lake near Dam (ARDEQH2O_WQX-LRED010A) site data in the Water Quality Portal

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

This reservoir site, maintained by the Arkansas Department of Environmental Quality (identifier ARDEQH2O_WQX), has the name "Gillham Lake near Dam" and has the identifier ARDEQH2O_WQX-LRED010A. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11140109.

This site is located in Howard County County, Arkansas at 34.2119410000 degrees latitude and -94.2291720000 degrees longitude using the datum UNKWN. 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 "ARDEQH2O_WQX-LRED010A" 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, Phytoplankton, Photosynthetic Pigments 2011 - 2019
Information 2011 - 2016
Inorganics, Major, Metals 2011 - 2019
Inorganics, Major, Non-metals 2011 - 2019
Inorganics, Minor, Metals 2011 - 2019
Inorganics, Minor, Non-metals 2011 - 2019
Nutrient 2011 - 2019
Organics, Other 2011 - 2019
Physical 2011 - 2019
*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 ARDEQH2O_WQX
OrganizationFormalName Arkansas Department of Environmental Quality
MonitoringLocationIdentifier ARDEQH2O_WQX-LRED010A
MonitoringLocationName Gillham Lake near Dam
MonitoringLocationTypeName Reservoir
MonitoringLocationDescriptionText Gillham Lake near Dam - upstream of dam approximately 100 yards, out of Cossatot Point Use Area. (Sec 19, T6S, R30W)
HUCEightDigitCode 11140109
LatitudeMeasure 34.2119410000
LongitudeMeasure -94.2291720000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 05
CountyCode 061
ProviderName STORET