water faucet
Upholding a Trump-era environmental policy, the Environmental Protection Agency says it will not regulate a drinking water contaminant that has been linked to brain damage in infants.
Apr. 1, 2022
Upper Salt River
Salt River Project harnesses the power of two rivers, the Verde and the Salt, and it taps into each river at different times of the year.
Mar. 28, 2022
Glen Canyon Dam
Climate change is quickly drying up Arizona’s two big reservoirs, Lake Powell and Lake Mead. As water levels plummet, the environmental effects are already being felt across the Southwest. But Tony Davis reports there’s another looming problem the low levels will cause: power supply.
Mar. 28, 2022
Turlock Irrigation District solar canal rendering
Two thousand to 2021 was the driest 22 year period since the year 800. But there’s a promising new pilot project in California that aims to conserve water while producing renewable energy.
More Arizona Science Desk news
Mar. 28, 2022
desalination equipment
Earlier this year, Gov. Doug Ducey proposed a $1 billion desalination project to ease Arizona’s water issues. Seth Seigel is an author who studied Israel’s use of desalination and other methods to solve its own water issues. He told PBS’s “Arizona Horizon” that desalination is helpful, but not a solution on its own.
More Arizona water news
Mar. 26, 2022
U.S. Capitol building
Two tribal leaders from Arizona testified to the Senate Committee on Indian Affairs on Wednesday, defending a pair of bills brought by Sen. Mark Kelly and co-sponsored by Sen. Kyrsten Sinema that center on tribal water rights.
Mar. 23, 2022
Colorado River
The chairwoman of the Colorado River Indian Tribes is in Washington, D.C., this week to testify for a bill that would allow her tribe to lease its water to other parts of Arizona.
Mar. 22, 2022
Navajo Nation
The United States awarded $9 million in energy funding to 13 tribes across the country, including here in Arizona, on Monday.
Mar. 21, 2022
The amount of water in the lake is not only being affected from lower water levels at the top but also being limited from the floor below.
Mar. 21, 2022
U.S. government forecasters see a hot spring for much of the nation with drought in the West likely deepening. The West is in the midst of a record-shattering megadrought, and forecasters see it continuing.
Mar. 18, 2022
Phoenx Indian School Visitor Center
The Interior Department is on the verge of releasing a report on its investigation into the federal government's past oversight of Native American boarding schools. Interior Secretary Deb Haaland said Wednesday the report will come out next month.
Mar. 17, 2022
International Outfall Interceptor
FEMA is spending $8.6 million to build a flood control basin near the border city of Nogales, Arizona, an area subject to intense flash flooding during monsoon season.
Mar. 13, 2022
water stream
Gov. Doug Ducey has unveiled plans to set up a new Arizona Water Authority, which would aim to look for — and pay for — new sources of water.
Mar. 7, 2022
Jace Miller's tractor
Persistent drought and rising temperatures have meant less water in the Colorado River system, which is relied on by 40 million Americans. But to this point, farmers in Pinal County have felt the effects much more acutely than others.
More about water on the Arizona podcast series InHospitable
Mar. 6, 2022
Santa Cruz River
After running dry for decades, the Santa Cruz River in Tucson has been revived with treated wastewater. The river will flow red while researchers in Pima County try to learn more about it.
Mar. 4, 2022
Deb Haaland
Secretary of Interior Deb Haaland was in the Valley last week to talk about a variety of water-related topics, and she dropped in for a visit to the Rio Salado Audubon Center. During her trip to the Valley, Haaland talked about funding for Indian water settlements and the bipartisan infrastructure bill.
Feb. 28, 2022
Gov. Doug Ducey outlined a plan last week for finding new water sources to help secure Arizona’s future.
Feb. 28, 2022
Lake Powell
The money comes from funds set aside by the bipartisan infrastructure bill for tribal lands. Other projects will help with broadband expansion and roadwork.
Feb. 23, 2022
Grand Canyon
A federal appeals court has ruled against environmental groups and an Arizona tribe in their bid to keep a uranium mine south of the Grand Canyon from operating.
Feb. 23, 2022
Bruce Babbitt
In 1980, then-Arizona Gov. Bruce Babbitt signed the Groundwater Management Act, which regulated the state’s urban areas. Babbitt was back at the state Capitol on Tuesday to support similar legislation for rural counties.
Feb. 22, 2022


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