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WQP Home >  Providers >  STORET >  COEOMAHA_WQX >  COEOMAHA_WQX-OAHLK1110DW

OAHLK1110DW (COEOMAHA_WQX-OAHLK1110DW) site data in the Water Quality Portal

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

This reservoir site, maintained by the US Army Corps of Engineers Omaha District (identifier COEOMAHA_WQX), has the name "OAHLK1110DW" and has the identifier COEOMAHA_WQX-OAHLK1110DW. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10130105.

This site is located in Sully County County, South Dakota at 44.7709200000 degrees latitude and -100.7173000000 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-OAHLK1110DW" 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 2005 - 2020
Biological, Algae, Phytoplankton 2005 - 2020
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2005 - 2020
Biological, Counts 2005 - 2015
Cyanotoxins, Phytotoxins 2005 - 2020
Information 2005 - 2020
Inorganics, Major, Non-metals 2005 - 2020
Inorganics, Minor, Metals 2005 - 2009
Nutrient 2005 - 2020
Organics, Other 2005 - 2020
Organics, Pesticide 2005 - 2005
Physical 2005 - 2020
*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-OAHLK1110DW
MonitoringLocationName OAHLK1110DW
MonitoringLocationTypeName Reservoir
MonitoringLocationDescriptionText Deepwater location in Lake Oahe in Cheyenne River area at Missouri River mile 1110
HUCEightDigitCode 10130105
LatitudeMeasure 44.7709200000
LongitudeMeasure -100.7173000000
HorizontalCollectionMethodName Interpolation-Digital Map Source (Tiger)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 46
CountyCode 119
ProviderName STORET