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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Resolve 1
December 31, 2015

RESOLVE Helicopter's Airborne Electromagnetic “Bird"

Left to right: Greg Delzer, David Smith and Mark Anderson (South Dakota Water Science Center and Denver Crustal Geophysics Group) standing with the RESOLVE helicopter's airborne electromagnetic “bird.” The bird is suspended from a helicopter as it transmits and receives electromagnetic signals to the ground, which are used to interpret characteristics of the aquifer. More

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December 11, 2015

What's the Big Idea? — Charting Change from the Skies

Tom Loveland, research scientist with the USGS Earth Resources Observation and Science Center, explains how he uses data — both past and present — to help scientists, natural resource managers, and the public better understand how the face of the planet is shifting and what that change means.

Resolve low-level flight system
October 31, 2015

Resolve low-level flight system

In this image, a helicopter towing a large, cylindrical sensor makes low-level flights as part of a USGS remote geophysical survey, which collects data about underground geology. The scientific system, called Resolve, is operated by CGG Canada Services, Ltd. 

color photograph
October 19, 2015

Earth Resources Observation and Science Center

The exterior of the Earth Resources Observation and Science Center near Sioux Falls, SD, USA. 

External image of EROS Center
October 19, 2015

External image of EROS Center

External view of the EROS Center on a fall day. Watch and hear a video regarding the Center at this URL https://www.youtube.com/watch?v=lE_vsuGxso8

Remote geophysical sensor
October 6, 2015

Remote geophysical sensor

This sensor, called a bird, is tethered to a helicopter during USGS geophysical surveys. As the helicopter flies low over specific areas, the bird transmits electromagnetic waves deep into the ground to measure the below-surface physical properties. This scientific system is called Resolve and is operated by CGG Canada Servives, Ltd. The bird pictured here was used for a

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Image: Little White River near Martin SD
August 2, 2015

Little White River near Martin SD

USGS student trainee assists with the collection of a streamflow measurement on August 3, 2015, on the Little White River near Martin, SD (streamgage 06447500). Streamflow was about 16 cubic feet per second.

Image: White River near Interior, SD
June 23, 2015

White River near Interior, SD

USGS student trainee assists with the collection of a streamflow measurement on June 24, 2015, on the White River near Interior, SD (streamgage 06446500). Streamflow was about 2,500 cubic feet per second.

Image: Battle Creek Flooding May 2015, SD
May 23, 2015

Battle Creek Flooding May 2015, SD

Flooding occurred on May 24 on Battle Creek below Keystone, SD. Heavy rains in western South Dakota caused flash flooding in parts of the Black Hills on May 24-26.

Image: Battle Creek Flooding May 2015, SD
May 23, 2015

Battle Creek Flooding May 2015, SD

Following heavy rains, Battle Creek near Keystone (streamgage 06404000) peaked at about 1,500 cubic feet per second on May 24 and was about 1 foot below flood stage. This streamgage is operated in cooperation with the South Dakota Department of Natural Resources, Water Rights Division. Heavy rains in western South Dakota caused flash flooding in parts of the Black Hills on

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Image: Grizzly Bear Creek Flooding May 2015, SD
May 23, 2015

Grizzly Bear Creek Flooding May 2015, SD

Grizzly Bear Creek in Keystone, SD, on May 24, 2015. USGS streamgage 06403850 (Grizzly Bear Creek near Keystone, SD) showed the creek was more than one-half foot above flood stage on May 24. This streamgage is operated in cooperation with the METWARN (Rapid City/Pennington County Emergency Management, City of Box Elder, City of Hill City, City of Keystone, and Rapid Valley

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Image: White River Flooding near Kadoka, SD
May 17, 2015

White River Flooding near Kadoka, SD

Flooding on the White River near Kadoka, SD, streamgage 06447000. The gage house is left of center near hay bales. Streamflow at this site was measured by USGS as about 26,000 cubic feet per second on May 18, 2015. Major flooding on the White River in South Dakota occurred in May 2015 following snow and rain events in western South Dakota.