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

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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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Image: Soil and Groundwater Sampling
November 18, 2014

Soil and Groundwater Sampling

USGS Hydrologic Technician Brian Engle taking field measurments during groundwater sampling at EAFB FAC MW14_02 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

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Image: Earth Science Day outreach in Rapid City, SD, 2014
October 11, 2014

Earth Science Day outreach in Rapid City, SD, 2014

USGS student hydrologist Bill Eldridge demonstrates an interactive groundwater model to kids attending the Earth Science Day event on October 12, 2014, at the Journey Museum in Rapid City, SD.

Image: Slope-Area Measurements in Northern Black Hills, SD
September 21, 2014

Slope-Area Measurements in Northern Black Hills, SD

USGS researchers running slope-area measurement in Ward Draw following storm of August 5, 2014. A group of thunderstorms produced greater than 4 inches of rain during four periods of progressively more intense rainfall across a small part of a relatively high-elevation area of the northern Black Hills on August 5, 2014. The resulting hydrologic response was noteworthy in

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Image: Slope-Area Measurements in Northern Black Hills, SD
September 14, 2014

Slope-Area Measurements in Northern Black Hills, SD

USGS researchers running slope-area measurement in Keough Draw following storm of August 5, 2014. A group of thunderstorms produced greater than 4 inches of rain during four periods of progressively more intense rainfall across a small part of a relatively high-elevation area of the northern Black Hills on August 5, 2014. The resulting hydrologic response was noteworthy in

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Image: USGS South Dakota Water Science Center
September 2, 2014

USGS South Dakota Water Science Center

The USGS South Dakota Water Science Center is located in Rapid City, SD.

Image: Stormwater Runoff in Rapid City, SD
August 7, 2014

Stormwater Runoff in Rapid City, SD

Looking downstream at the 3rd Street wetland channel following an August 2014 runoff event in Rapid City, SD. Runoff from this wetland channel discharges into Rapid Creek. Stormwater runoff from urbanized lands is known to harm surface-water resources by increasing stream velocities, destroying natural habitat, and increasing pollutant loads in the receiving waters. The

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Image: Stormwater Runoff in Rapid City, SD
August 7, 2014

Stormwater Runoff in Rapid City, SD

Automated sampler bottles containing stormwater runoff from the Arrowhead drainage basin in Rapid City, SD, being processed in the laboratory. Stormwater runoff from urbanized lands is known to harm surface-water resources by increasing stream velocities, destroying natural habitat, and increasing pollutant loads in the receiving waters. The City of Rapid City, SD,

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Image: Soil and Groundwater Sampling, Ellsworth Air Force Base, SD
February 11, 2014

Soil and Groundwater Sampling, Ellsworth Air Force Base, SD

USGS Hydrologist, John Stamm, describing the split soil core for 20 to 25 feet from well EAFB FAC MW14_07, 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,

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Image: Soil and Groundwater Sampling
February 11, 2014

Soil and Groundwater Sampling

USGS Hydrologist David Bender using a photoionization detector on a split soil core from 15 to 20 feet for well EAFB FAC MW14_06, Fuels Area C, Ellsworth Air Force Base, South Dakota. The photoionization detector measures volatile organic compounds and other gases. In fall of 2013, the U.S. Geological Survey began a study in cooperation with the U.S. Air Force, Ellsworth

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Image: Soil and Groundwater Sampling
February 10, 2014

Soil and Groundwater Sampling

Drilling rig setup and drilling well EAFB FAC MW14_04 on 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

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