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Dakota Water Science Center

Welcome to the USGS Dakota Water Science Center!  Please use these pages to explore the hydrologic data and scientific investigations we conduct on water resources of North and South Dakota.

News

USGS Measures Historic Flooding Across the Upper Midwest

USGS Measures Historic Flooding Across the Upper Midwest

Public Invitation: Learn the Latest on Your Water Resources in the Dakotas

Public Invitation: Learn the Latest on Your Water Resources in the Dakotas

Media Alert: Public Invitation: Remembering the 1972 Flood, Planning for the Future of Water Resources

Media Alert: Public Invitation: Remembering the 1972 Flood, Planning for the Future of Water Resources

Publications

Changes in streamflow seasonality associated with hydroclimatic variability in the north-central United States among three discrete temporal periods, 1946–2020

Study regionNorth-central United StatesStudy focusThis study uses circular statistics to characterize the seasonal properties of annual maximum (AMS) and peaks-over-threshold (POT) streamflow time series for 841 and 623 selected U.S. Geological Survey (USGS) streamgages, respectively, without regulation or substantial diversion among common 75-, 50-, and 30-year trend periods through...
Authors
Nancy A. Barth, Harper N. Wavra, Anthony R Koebele, Steven K. Sando

Peak streamflow trends in South Dakota and their relation to changes in climate, water years 1921–2020

Peak-flow (flood) frequency analysis is essential to water-resources management applications, including the design of critical infrastructure such as bridges and culverts, and floodplain mapping. Federal guidelines for performing peak-flow flood frequency analyses are presented in a U.S. Geological Survey Techniques and Methods Report known as Bulletin 17C. A basic assumption within...
Authors
Nancy A. Barth, Steven K. Sando

Dissolved oxygen monitoring on the Souris River, 2019–23

The U.S. Geological Survey (USGS) in partnership with the International Joint Commission installed and operated continuous water-quality monitors at three sites on the Souris River from May 2019 to October 2023. Continuously recorded data included dissolved oxygen (DO), water temperature, and specific conductance at the Souris River near Sherwood, North Dakota (USGS station 05114000)...
Authors
Joel M. Galloway

Science

Western South Dakota Hydrology Conference

The 2025 Western South Dakota Hydrology Conference will be held on April 10, 2025, at the Monument, Rapid City, SD. Registration will open on February 5, 2025. Previous years' program and abstracts are available from the "Multimedia" tab on this page.
link

Western South Dakota Hydrology Conference

The 2025 Western South Dakota Hydrology Conference will be held on April 10, 2025, at the Monument, Rapid City, SD. Registration will open on February 5, 2025. Previous years' program and abstracts are available from the "Multimedia" tab on this page.
Learn More

Flood-Frequency Analysis in the Midwest: Addressing Potential Nonstationary Annual Peak-Flow Records

Period of Project: 2021 - Study Area: Midwest Cooperating Agency: Transportation Pooled Fund
link

Flood-Frequency Analysis in the Midwest: Addressing Potential Nonstationary Annual Peak-Flow Records

Period of Project: 2021 - Study Area: Midwest Cooperating Agency: Transportation Pooled Fund
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Souris River Basin

Information and products on the Souris River Basin.
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Souris River Basin

Information and products on the Souris River Basin.
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