groundwater

Twenty-five hundred palm species are known worldwide, yet the Desert Fan Palm is the only one native to the Western U.S. Also called the California Palm, it happens to be the largest of the 14 species in the country and can live up to 250 years.

Winter runoff into the Salt and Verde rivers was the second driest in more than one hundred years of recordkeeping. But the reservoirs that serve the…

A recent report from Arizona State University warns the state is mining groundwater faster than it can be replaced. The report focuses on five areas…

The Tonto National Forest is moving ahead with a controversial federal land exchange. KNAU’s Ryan Heinsius reports, it would pave the way for one of…

A controversial proposed water policy would allow the City of Prescott to deliver water to houses outside the city limits. KNAU’s Melissa Sevigny reports.…

The agriculture industry is pushing back against efforts in Arizona to track the amount of water being drawn from large groundwater wells in rural…

A report commissioned by the City of Prescott finds it is pumping about as much water back into underground aquifers as it draws from them. KNAU’s Zac…

Flagstaff residents in recent months may have noticed a handful of shuttered gas stations in the city. KNAU’s Ryan Heinsius reports, they’re among nearly…

Arizona water regulators have rejected an application by an electric company to use groundwater to cool the nuclear power plant west of Phoenix because…