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Groundwater Efforts that Serve Oklahoma Well!
Released: 3/7/2011 5:14:11 PM

Contact Information:
U.S. Department of the Interior, U.S. Geological Survey
Office of Communication
119 National Center
Reston, VA 20192
Kim Winton 1-click interview
Phone: 405-810-4417

Jennifer LaVista 1-click interview
Phone: 303-202-4764

Studies to determine the quality and quantity of Oklahoma’s groundwater are underway by the U.S. Geological Survey and its partners.

Map showing Oklahoma aquifers.  Click on the link in the caption to visit the website for additional information.
Digital Data Sets That Describe Aquifer Characteristics of Selected Aquifers in Oklahoma

Oklahoma relies heavily on groundwater – 570 million gallons are used each day by more than 20,000 homeowners for household or yard use. This essential resource is vital for the health and well being of humanity and the environment.

March 6-12 is National Groundwater Awareness Week, and USGS partners with the sponsoring National Groundwater Association to help support and protect this important resource.  

Below are a few highlights of USGS efforts in Oklahoma that help water managers make informed choices about water use. To learn more, visit the Oklahoma Water Science Center or the National Groundwater Association website. Photos available upon request.  

 Will Central and Southwest Oklahoma Have Enough Clean Water?

 The Garber-Wellington and Rush Springs Aquifer Studies addresses growing concerns about the future of water availability in central and southwest Oklahoma.  

Many metro-area cities, including Norman, Edmond, Nichols Hills, and Midwest City, rely either solely or partly on groundwater from the Garber-Wellington Aquifer. This water body, also known as the Central Oklahoma aquifer, underlies almost 3,000 square miles of the state. A team of scientists from the USGS, Oklahoma Water Resources Board, Association of Central Oklahoma Governments, Oklahoma Geological Survey, and Tinker Air Force Base have been collaborating and sharing data to better understand this vital aquifer. A regional model will be used to predict the impacts of long-term groundwater withdrawals and simulate water-management strategies  

Scientists are conducting a pump test at a municipal groundwater well within the city of Norman from Mar. 1- 14. The well will be monitored while being shut off and pumped to determine flow and storage properties of the aquifer. The test will also be a teaching opportunity for select Oklahoma State University students. This study is part of a USGS and Oklahoma Water Resources Board multi-year cooperative Garber-Wellington Water Management Study.    

The Rush Springs Aquifer supplies 10 percent of the Oklahoma’s groundwater resources. The aquifer provides irrigation water for productive cropland and livestock operations in southwest Oklahoma.  

Both of these aquifers have areas with elevated concentrations of potentially harmful, yet naturally occurring metals such as arsenic, chromium, and uranium. The USGS is working with Tribal, state, and local governments in Oklahoma to determine where those metals occur in greater concentrations. USGS has also worked with the Environmental Protection Agency and the City of Norman to develop treatment methods. This information can be used by the public so they can avoid drinking potentially harmful water or use treatment methods to reduce concentrations of these metals to prevent exceedance of drinking water standards.  

Groundwater Effects on Tourism?   

There are concerns of a future drought in the southern Oklahoma Arbuckle-Simpson aquifer, which is the foundation of water-based tourism in the area. Increased water use and possible intrastate water transfers may cause decrease in local spring and streamflow. The USGS has been working with the Oklahoma Water Resources Board and other stakeholders to evaluate the water quality of water in the aquifer. Models are being developed to simulate different scenarios of climate and water use to predict sustainable amounts of water use for the future.  

What about Salty Groundwater?

Like the rest of the U.S., fresh groundwater in Oklahoma is underlain by salt water that cannot be used for drinking water, crop irrigation, and sustaining livestock without expensive treatment. As part of a USGS National Program, the Oklahoma Water Science Center is mapping the depths and distribution of saline groundwater that will be of value to managers and scientists planning for future water-resource needs.

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