How much water is in the San Pedro? Every year, volunteers seek to find out
More than 100 volunteers spent last weekend tracking the presence of intermittent water in the river.
Tucson City Council opposes proposed Interstate 11
A resolution lays out the environmental and economic reasons for the opposition.
Utah presses forward with pipeline plans despite Colorado River Basin constraints
The pipeline would be like dipping a 140-mile straw into Lake Powell halfway across the state.
Snowmelt fills rivers in US Southwest, easing drought fears
An abundance of snowmelt is rushing into the Colorado River, the Rio Grande and other waterways after a desperately dry 2018.
Supervisor Elias stresses importance of Clean Water Act to Senate committee
Pima County Supervisor Richard Elias about the importance of the Clean Water Act in the desert Southwest.
Dams could protect ranchers from climate change's drought, but could they also contribute to it?
Wyoming is moving forward on building or expanding several reservoirs on the Green River, a main branch of the Colorado River.
On stressed Colorado River, states test how many more diversions watershed can bear
The river is running short on water, and this is pushing some states to tap into every available drop before things get worse.
Arizona plans for drought contingency plan impacts
Water managers are preparing for a future with less Colorado River water.
Support and opposition for two mines in Southern Arizona
As the Rosemont Copper mine plans to start construction, we talk with those for and against the project.
Balancing conservation, grazing and recreation on the San Pedro River
The Bureau of Land Management has a finalized plan to guide management of the San Pedro Riparian National Conservation Area.
Western states sign historic agreement to deal with drought
The drought contingency plan has been years in the making.
Tucson Riverbed Clearing Underway
The Santa Cruz and Rillito channels are being readied for monsoon rains.
Discussion Looks to Future Colorado River Negotiations
With the drought contingency plan on the books, water leaders are starting to think about what's next.
Sustaining the San Pedro River
A panel in Bisbee discusses the present and future of Southern Arizona's last large, free-flowing river.
Local Water Utilities Fight Unregulated Contaminants
While the EPA weighs regulating the chemicals, Tucson and Marana Water are moving ahead with treatment.
