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The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas). [1]
The Ogallala aquifer is the principal source of water for agriculture in western Kansas. ... says that issues contributing to the depletion of the Ogallala Aquifer should have been dealt with a ...
The water in the Ogallala Aquifer is worth billions to western Kansas, but it’s disappearing. It's been a challenge to find ways to slow depletion. Ogallala Aquifer dropped 12+ inches in 2021.
Water levels in the Ogallala Aquifer continue to plummet as farm irrigation swallows an average of more than 2 billion gallons of groundwater per day statewide.
Overdrafting in coastal regions can lead to the reduction of water pressure in an aquifer, allowing saltwater intrusion. If saltwater contaminates a freshwater aquifer, that aquifer can no longer be used as a reliable source of freshwater for settlements and cities. Artificial recharge may return fresh water pressure to halt saltwater intrusion.
Aquifer depletion is a problem in some areas, especially in northern Africa, where one example is the Great Manmade River project of Libya. However, new methods of groundwater management such as artificial recharge and injection of surface waters during seasonal wet periods has extended the life of many freshwater aquifers, especially in the ...
The Ogallala Aquifer was formed more than 25,000 years ago, but it recharges at a very low rate. For years, irrigators in Kansas have drained more from the aquifer than rainfall can replace.
More fresh water for Canada and the United States to stabilize Great Lakes and St. Lawrence water levels and to relieve water shortages and droughts in western Canada and in the south-west U.S. and in particular to halt the depletion and start the replenishment of the Ogallala Aquifer via water export; Improved fisheries and shipping in Hudson Bay.