The remaining two units are scheduled to close in 2025.
The Tonto Creek project in Gila County has been denied federal funding in the past but is an "excellent candidate" for a federal grant, Ducey said in a letter to Transportation Secretary Elaine Chao.
A longtime water conservation advocate says Arizona and the other Lower Colorado River Basin states need to cut their water use more and faster.
TUCSON, Ariz. (AP) — Three mountain lions found feeding on human remains near a popular Tucson hiking trail have been killed, Arizona authorities said Wednesday.
Democratic U.S. Sen. Kyrsten Sinema of Arizona has introduced a bill that would ban new mining claims around the Grand Canyon.
Wildlife managers are investigating the death of an endangered Mexican gray wolf found last month in New Mexico.
Federal officials say the Hopi Tribe has failed to meet a deadline to reduce arsenic in drinking water at the tribe’s cultural center.
Divers Dec. 7 recovered the body of the fourth person to die in Tonto Creek in just over a week, the Arizona Republic reported.