The Bureau of Reclamation will pay $86.7 million toward Tucson's new water treatment plant, which will stretch the city's supplies.

Tucson City Councilmembers voted to approve a proposal to use some $86 million worth of Bureau of Reclamation funding to build the new treatment facility and save Colorado River water as a result.

The Bureau of Reclamation today announced it is awarding $388 million in grants for Upper Colorado River Basin water projects. Administered via the Bucket 2 Ecosystem program, the grants will support 42 projects that will restore struggling rivers,

S.H. Gould established the mine in 1906 but declared bankruptcy by 1915. The 350 foot-deep-shaft reportedly produced 45,000 pounds of copper, valued at $9,000 or $281,000 today. The mine has not been active since the 1950s and the area became part of Saguaro National Monument in 1963.

The Arizona House of Representatives is the lower chamber of the Arizona State Legislature. Alongside the Arizona State Senate, it forms the legislative branch of the Arizona state government and works alongside the governor of Arizona to create laws and ...

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Added length to the southern Arizona border wall may lead to the extinction of a rare desert fish, the Center for Biological Diversity said Wednesday.

It's a rare sight in Arizona. This is how you can see a human-made waterfall created by releasing excess water.

The investment supports the efforts of the Colorado River District, the state of Colorado, and a coalition of West Slope governments and water users.

In the final days of President Joe Biden’s presidency, the Colorado River District locked down the $40 million award from the Bureau of Reclamation it needed to purchase the Shoshone Water Rights from Xcel

• An Arizona native who now lives in Tempe, Gomez served under Gen. George Patton during World War II and fought on both Omaha Beach and in the Battle of the Bulge.

A project to bring drinking water to Gallup, the Navajo Nation and the Jicarilla Apache Nation has received a lifeline of $120 million in federal funding for the next year.