The City of Tucson Parks and Recreation department has opened a 45-day public comment period for a proposal to rename a local park.

Water from the Colorado River diverted through the Central Arizona Project fills an irrigation canal in 2022. The Bureau of ...

Ensure that water from the imperiled Colorado River is only being delivered for reasonable and beneficial uses, a group of environmental advocates told the federal government earlier this year. That’s ...

TSMC Arizona has officially broken ground a new water plant aimed at conserving the precious resource as the chipmaker ...

Arizona needs an additional 500,000 acre-feet of water annually in the near future. The Water Infrastructure Finance Authority (WIFA) is tasked with finding this water, but it also has faced funding ...

Three years after an obscure Arizona agency was tasked with finding new water supplies for the state, it has received six ...

Three years after an obscure Arizona agency was charged with finding new water supplies for the state it has received six ...

The Water Infrastructure Finance Authority says state law requires that any proposals it gets to increase Arizona's water ...

Three years after an obscure Arizona agency was charged with finding new water supplies for the state it has received six ...

Arizona cities unite to confront Colorado River water rights issues, addressing drought and cutbacks in the face of a complex legal and social landscape.

Federal officials say Arizona, Nevada and Mexico must again live with less Colorado River water as drought lingers in the West.

Cataloged field books and maps relate to scientific voyages of the Bureau of Fisheries vessel Albatross 1883-1906. Included are dredging records, meteorological observations, hydrographic sounding ...