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(The Center Square) – Cochise County residents, farmers and ranchers gathered Friday for a public hearing on the potential of designating the Willcox groundwater basin as an Active Management Area.
A study in an arid agricultural region of Arizona [3] showed that, even with a water level recovery of 100 ft after groundwater pumping was stopped, the land surface continued to subside for decades. This is a result of the continued dewatering of aquitards (fine-grain layers that slow the movement of groundwater) from stresses mentioned in the ...
Teravalis, formerly known as Douglas Ranch, is in a legal dispute with the Arizona Department of Water Resources over groundwater rights. Buckeye's master-planned Teravalis, once Douglas Ranch, in ...
When groundwater is extracted from an aquifer, a cone of depression is created around the well.As the drafting of water continues, the cone increases in radius. Extracting too much water (overdrafting) can lead to negative impacts such as a drop of the water table, land subsidence, and loss of surface water reaching the streams.
Land subsidence is a global issue and has different causes. Some are natural, like earthquakes , and some are caused by humans. In the United States, land subsidence from over pumping has affected 45 states and accounts for changes in over 17,000 square miles of land which is an area almost 10 times the size of Glacier National Park in Montana ...
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Located in South Central Texas, the Edwards Aquifer encompasses an area of approximately 4,350 square miles (11,300 km 2) that extends into parts of 11 counties. [3] The aquifer's boundaries begin at the groundwater divide in Kinney County, East of Brackettville, and extend Eastward through the San Antonio area and then Northeast where the aquifer boundary ends at the Leon River in Bell County ...
In a new report, scientists say the U.S. is facing serious challenges as groundwater is depleted in many areas. They call for a national effort to safeguard aquifers. ... In Arizona, groundwater ...