OAHNFCHYR1 (COEOMAHA_WQX-OAHNFCHYR1) 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 US Army Corps of Engineers Omaha District (identifier COEOMAHA_WQX), has the name "OAHNFCHYR1" and has the identifier COEOMAHA_WQX-OAHNFCHYR1. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC) 10130105. You can learn more about what is happening in this HUC at the EPA's Surf Your Watershed site or at the USGS Science In Your Watershed site.

This site is located in Haakon County County, South Dakota at 44.6964700000 degrees latitude and -101.2165000000 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 "COEOMAHA_WQX-OAHNFCHYR1" 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 National Linked Data Index, part of the Open Water Data Initiative.

When were data collected at this location?

Periods of record for data characteristic groups
Characteristic Group Date Range*
Biological 2005 - 2019
Information 2014 - 2019
Inorganics, Major, Metals 2007 - 2019
Inorganics, Major, Non-metals 2005 - 2019
Inorganics, Minor, Metals 2005 - 2019
Inorganics, Minor, Non-metals 2007 - 2019
Nutrient 2005 - 2019
Organics, Other 2005 - 2019
Organics, Pesticide 2005 - 2019
PFOA, Perfluorooctanoic Acid 2019 - 2019
Physical 2005 - 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 COEOMAHA_WQX
OrganizationFormalName US Army Corps of Engineers Omaha District
MonitoringLocationIdentifier COEOMAHA_WQX-OAHNFCHYR1
MonitoringLocationName OAHNFCHYR1
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Cheyenne River at Highway 63 bridge crossing.
HUCEightDigitCode 10130105
LatitudeMeasure 44.6964700000
LongitudeMeasure -101.2165000000
HorizontalCollectionMethodName Interpolation-Digital Map Source (Tiger)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 46
CountyCode 055
ProviderName STORET