Arizona has determined that there is not enough groundwater for all of the future housing construction that has already been approved in the Phoenix area, and will stop developers from building some new subdivisions, a sign of looming trouble in the West and other places where overuse, drought and climate change are straining water supplies.
The decision by state officials marks the beginning of the end to the explosive development that has made the Phoenix metropolitan region the fastest growing in the country.
Maricopa County, which includes Phoenix and its suburbs, gets more than half its water supply from groundwater; most of the rest comes from rivers and aqueducts as well as recycled wastewater.
In practical terms, groundwater is a finite resource; it can take thousands of years or longer to be replenished.
The announcement of a groundwater shortage — what the state calls “unmet demand” for water over the next hundred years — means Arizona would no longer give developers in areas of Maricopa County new permits to construct homes that rely on wells for water.
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Locations:
Arizona, Phoenix, Maricopa County