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In 1978, the US Geological Survey found a 350-foot decline in the level of the water table. [6] The USGS published research in 1997, examining the Pennsylvanian and Permian age sandstone, limestone and siltstone underlying Flagstaff and the southern Colorado Plateau, which forms a complex regional aquifer with poorly understood groundwater flow ...
The tribes alleged that the pumping of water by Peabody Energy caused a severe decline in the number of springs and reduced their access to potable water. [4] Both tribes, situated in an arid semi-desert, attach religious significance to water, consider it sacred, and have cultural, religious, and practical objections to over-use of water.
In geotechnical engineering, watertable control is the practice of controlling the height of the water table by drainage.Its main applications are in agricultural land (to improve the crop yield using agricultural drainage systems) and in cities to manage the extensive underground infrastructure that includes the foundations of large buildings, underground transit systems, and extensive ...
Plans to develop the desert west of Phoenix outstrip the water available to the area, a newly released report from Arizona’s Department of Water Resources shows. Arizona Gov. Katie Hobbs (D) on ...
A proposal to create a powerful Arizona water authority raises key questions about who gets water and how we grow. It's time to address them. 4 utterly important water questions for Arizona that ...
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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 ...
The federal government will likely end up putting its foot down in a state-to-state squabble over cuts in Colorado River consumption, Arizona’s water chief told The Hill. “We will continue to ...