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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 ...
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 ...
Arizona governor Katie Hobbs said this week her administration is terminating state land leases that for years have given a Saudi-owned farm nearly unfettered access to pump groundwater in the dry ...
The National Ground Water Association (NGWA), headquartered in Westerville, Ohio, is a membership-based nonprofit organization. Founded in 1948, the organization is composed of United States and international groundwater professionals in four membership divisions: water well contractors, scientists and engineers, manufacturers, and suppliers.
Groundwater pollution (also called groundwater contamination) occurs when pollutants are released to the ground and make their way into groundwater.This type of water pollution can also occur naturally due to the presence of a minor and unwanted constituent, contaminant, or impurity in the groundwater, in which case it is more likely referred to as contamination rather than pollution.
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This is a list of Superfund sites in Arizona designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up ...
Atlanta Watershed Management installed a standalone water meter at the problem plot of land on Oct. 4, 2022. At the time, the plot was just dirt; Raw hadn’t even started laying the foundation ...