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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 >  NWIS >  USGS-AR >  USGS-07341280

MILLWOOD LAKE ON MINE CK. NEAR OKAY,ARK. (USGS-07341280) site data in the Water Quality Portal

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

This lake, reservoir, impoundment site, maintained by the USGS Arkansas Water Science Center (identifier USGS-AR), has the name "MILLWOOD LAKE ON MINE CK. NEAR OKAY,ARK." and has the identifier USGS-07341280. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11140109. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Howard County County, Arkansas at 33.78789597000000 degrees latitude and -93.9365767000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 10 seconds.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-07341280" 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 1983 - 1993
Biological, Photosynthetic Pigments 1983 - 1993
Information 1983 - 1993
Inorganics, Major, Metals 1983 - 1990
Inorganics, Major, Non-metals 1983 - 1993
Inorganics, Minor, Metals 1983 - 1993
Inorganics, Minor, Non-metals 1983 - 1993
Microbiological 1983 - 1993
Nutrient 1983 - 1993
Physical 1983 - 1993
*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 USGS-AR
OrganizationFormalName USGS Arkansas Water Science Center
MonitoringLocationIdentifier USGS-07341280
MonitoringLocationName MILLWOOD LAKE ON MINE CK. NEAR OKAY,ARK.
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 11140109
LatitudeMeasure 33.78789597000000
LongitudeMeasure -93.9365767000000
HorizontalAccuracyMeasure/MeasureValue 10
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 05
CountyCode 061
ProviderName NWIS