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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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.

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. 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.

Image: White River Flooding near Kadoka, SD, May 18, 2015
May 17, 2015

White River Flooding near Kadoka, SD, May 18, 2015

Flooding on the White River near Kadoka, SD, streamgage 06447000. 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.

Image: Night Sky at Cheyenne River
May 11, 2015

Night Sky at Cheyenne River

Night sky at USGS streamgage 06408650, Cheyenne River near Scenic, SD.

April 27, 2015

Study of Stormwater Runoff in Rapid City, SD

Author interview on stormwater runoff report for Rapid City, SD (U.S. Geological Survey Scientific Investigations Report 2015-5069. The U.S. Geological Survey completed a study of stormwater in Rapid City during 2008-2014 in cooperation with the City of Rapid City.

Image: Groundwater Outreach in Huron, SD
April 1, 2015

Groundwater Outreach in Huron, SD

USGS Hydrologist Ryan Thompson demonstrated a groundwater model to a 4th grade class in Huron, SD, on April 2, 2015. Ryan talked about groundwater and aquifers, and led students through several experiments to help them understand and measure the porosity, specific yield, and hydraulic conductivity of three different sizes of aquifer materials. Ryan also used dye in an

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Image: Soil and Groundwater Sampling
November 19, 2014

Soil and Groundwater Sampling

USGS Hydrologic Technician Brian Engle preparing to collect groundwater samples at EAFB FAC MW14_06 Fuels Area C, Ellsworth Air Force Base, South Dakota. In fall of 2013, the U.S. Geological Survey began a study in cooperation with the U.S. Air Force, Ellsworth Air Force Base, to estimate groundwater-flow direction, select locations for permanent monitoring wells, and

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Image: Soil and Groundwater Sampling
November 18, 2014

Soil and Groundwater Sampling

Groundwater sampling setup at EAFB FAC MW14_04 Fuels Area C, Ellsworth Air Force Base, South Dakota. In fall of 2013, the U.S. Geological Survey began a study in cooperation with the U.S. Air Force, Ellsworth Air Force Base, to estimate groundwater-flow direction, select locations for permanent monitoring wells, and install and sample monitoring wells for petroleum

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