Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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 user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STEWARDS >  ARS >  ARS-OKLW-OKLW_SG522

OKLW_SG522 (ARS-OKLW-OKLW_SG522) site data in the Water Quality Portal

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

This site, maintained by the Agricultural Research Service (identifier ARS), has the name "OKLW_SG522" and has the identifier ARS-OKLW-OKLW_SG522. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11130302. This site has a drainage area of 53790 ha.

This site is located in Grady County County, Oklahoma at 34.9446000003 degrees latitude and -97.951900000 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 "ARS-OKLW-OKLW_SG522" 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*
Inorganics, Major, Metals 1979.0 - 1983.0
Inorganics, Major, Non-metals 1979.0 - 1983.0
Inorganics, Minor, Metals 1979.0 - 1983.0
Nutrient 1979.0 - 1983.0
Physical 1979.0 - 1983.0
Sediment 1979.0 - 1983.0
*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 ARS
OrganizationFormalName Agricultural Research Service
MonitoringLocationIdentifier ARS-OKLW-OKLW_SG522
MonitoringLocationName OKLW_SG522
MonitoringLocationDescriptionText This site is a stream flow measurement station in the Little Washita River Watershed, 1.5 miles W of Ninnekah in Grady County, Oklahoma. The station was operated by ARS.
HUCEightDigitCode 11130302
DrainageAreaMeasure/MeasureValue 53790
DrainageAreaMeasure/MeasureUnitCode ha
LatitudeMeasure 34.9446000003
LongitudeMeasure -97.951900000
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 40
CountyCode 051
ProviderName STEWARDS