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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 >  21NDHDWQ_WQX >  21NDHDWQ_WQX-381440

South Buffalo GAP - Deepest (21NDHDWQ_WQX-381440) site data in the Water Quality Portal

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

This reservoir site, maintained by the North Dakota Department Of Environmental Quality (identifier 21NDHDWQ_WQX), has the name "South Buffalo GAP - Deepest" and has the identifier 21NDHDWQ_WQX-381440. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10110203.

This site is located in Golden Valley County County, North Dakota at 46.9414200000 degrees latitude and -103.6395900000 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 "21NDHDWQ_WQX-381440" 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 1994 - 2011
Biological, Photosynthetic Pigments 2011 - 2011
Information 1994 - 2011
Inorganics, Major, Metals 1994 - 2011
Inorganics, Major, Non-metals 1994 - 2011
Inorganics, Minor, Metals 1994 - 2011
Inorganics, Minor, Non-metals 2011 - 2011
Nutrient 1994 - 2011
Physical 1994 - 2011
*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 21NDHDWQ_WQX
OrganizationFormalName North Dakota Department Of Environmental Quality
MonitoringLocationIdentifier 21NDHDWQ_WQX-381440
MonitoringLocationName South Buffalo GAP - Deepest
MonitoringLocationTypeName Reservoir
MonitoringLocationDescriptionText Nr South Buffalo Gap
HUCEightDigitCode 10110203
LatitudeMeasure 46.9414200000
LongitudeMeasure -103.6395900000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Other
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 38
CountyCode 033
ProviderName STORET