Unified Interior Regions

South Dakota

Surface water and groundwater provide important water supplies in South Dakota. Major rivers include the Big Sioux, James, Cheyenne, and Missouri Rivers. Key aquifers include the Dakota, Madison, Minnelusa, and Big Sioux aquifers. The Dakota Water Science Center has many studies that focus on these resources as well various other national and international studies. 

Link to Science Center

States L2 Landing Page Tabs

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October 31, 2016

EROS | EarthExplorer: How to do a bulk download

This tutorial shows you how to do a bulk download of satellite imagery using EarthExplorer. The website can be found at earthexplorer.usgs.gov.

October 31, 2016

GEO XIV Plenary 2017

This video is an invitation and introduction to the GEO XIV Plenary being held in Washington, D.C. in 2017.

April 29, 2016

Perchlorate and Selected Metals in Water and Soil within Mount Rushmore National Memorial

Author interview on report "Perchlorate and selected metals in water and soil within Mount Rushmore National Memorial, South Dakota, 2011–15," U.S. Geological Survey Scientific Investigations Report 2016-5030. An environmental concern to water resources within Mount Rushmore National Memorial has been the annual aerial display of fireworks at the memorial for the

Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Mike Greiner, M.S. student, South Dakota Coop Unit.  Mike is studying limnology of Bureau of Reclamation Reservoirs in North Dakota.

Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Trevor Selch, Ph.D. student at the South Dakota Unit is studying effects of mercury on walleye reproduction.  Dr. Steven Chipps, AUL-Fisheries, pictured at right.

Collecting water-quality data in Armenia
March 2, 2016

Armenia water work

Field training on well inventory and collection of water-level data at a non-flowing well near Yeghegnavan, Armenia, near the Armenia/Turkey/Iran border. Mt. Ararat is in background.

The growth of aquaculture to raise trout, sturgeon and other cold-water fish has increased withdrawals of critical groundwater in the Ararat Basin of Armenia. The USGS is working with

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Aquaculture in Armenia
March 2, 2016

Aquaculture in Armenia

The growth of aquaculture to raise trout, sturgeon and other cold-water fish has increased withdrawals of critical groundwater in the Ararat Basin of Armenia. The USGS is working with partners, including USAID, to develop scientific tools for water-resource managers to understand and predict consequences of management decisions in Armenia.

Collecting Water Samples from a Well in Armenia
March 2, 2016

Water Sampling from Well in Armenia

Mark Anderson, Director of the USGS South Dakota Water Science Center, demonstrates how to collect a stable isotope sample from a flowing well near Sis, Armenia.

The growth of aquaculture to raise trout, sturgeon and other cold-water fish has increased withdrawals of critical groundwater in the Ararat Basin of Armenia. The USGS is working with partners, including

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Collecting Water Data Using a Pressure Gage, Armenia
March 2, 2016

Pressure gage water data collection

Field training on how to measure water level using a pressure gage for a flowing well in Sis, Armenia.

The growth of aquaculture to raise trout, sturgeon and other cold-water fish has increased withdrawals of critical groundwater in the Ararat Basin of Armenia. The USGS is working with partners, including USAID, to develop scientific tools for water-resource

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Canyon Lake
February 29, 2016

Canyon Lake February 2017

Waterfowl population on Canyon Lake in Rapid City, SD, during February 2017.

Ice Jam at White River near Interior, SD (06446500)
February 12, 2016

Ice Jam at White River near Interior, SD (06446500)

Ice jam at White River near Interior, SD (USGS streamgage 06446500). More information on this site is available at https://waterdata.usgs.gov/sd/nwis/inventory/?site_no=06446500&agency_cd=USGS&. 

Image: Ice Jam on White River near Interior, SD
February 11, 2016

Ice Jam on White River near Interior, SD

Ice jam at the White River near Interior, SD, USGS streamgage 06446500, on February 12, 2016. An ice streamflow measurement was made a few days prior to the ice breakup on Februrary 9, 2016, and was 235 cubic feet per second.