Arizona

Deep below Arizona sit large volumes of water that are less salty than the ocean, but not easily used. If it were all pumped to the surface and purified, this brackish groundwater would supply Arizona’s water needs for a century or more. Problem is, it can’t all be pumped.

Ancient rainstorms may have sculpted the red planet, similar to the monsoon rains that helped shape the Southwest’s landscape.

PARKER, Arizona – South of Headgate Rock Dam, beyond riverbanks lined with willow and mesquite, the broad floodplain of the Colorado River spreads across emerald fields and sun-bleached earth.  The...

Brett Fleck does not have an easy job. He manages water for a city in the desert. He has to keep taps flowing while facing a complicated equation: The...

As severe water scarcity becomes an increasingly real and dire prospect for Arizona, looking south to Sonora offers important insight.

This page features aerial photos of Arizona's Salt River, including its confluence with the Verde River. Both the Salt and Verde are tributaries of the Gila River and part of the Colorado...

This page features aerial photos of Arizona's Granite Reef Diversion Dam, along the Salt River near Mesa. Completed in 1908, the dam is only 29 feet high but 1,000 feet long. It was...

This page features aerial photos of Arizona's Stewart Mountain Dam and Saguaro Lake along the Salt River northeast of Phoenix. Stewart Mountain Dam was built from 1928 to 1930 by the Salt...

The Santa Cruz River may be dry but it has come alive with people who are making a seasonal river cleanup a community conservation tradition in Tucson.

This page features aerial photos of Theodore Roosevelt Lake and Theodore Roosevelt Dam, along the Salt River east of Phoenix. Roosevelt Dam, which rises 357 feet, was the first structure completed as a part of...