Low-level contaminants in drinking water still harmful, report says
A nonprofit says federal drinking water guidelines don't necessarily protect the health of water users.
Border wall construction in Arizona moves ahead
Preparations for more construction are underway near Douglas and on the San Pedro River.
Environmentalists concerned about two dam proposals near Grand Canyon
Opponents say the projects would disrupt the ecology of the area and damage a site sacred to the Hopi Tribe.
Sewer repairs around Tucson to impact traffic
The majority of the repairs will last from Sept. 30 to Oct. 5, but some projects will finish up in November.
Deal will use Bisbee wastewater to recharge San Pedro River aquifer
The project is meant to support the health of the river following decades of agricultural pumping.
Air Force secretary nominee promises to help with pollution in communities like Tucson
PFAS chemicals have been found in wells in the Tucson area.
Opinions divided on massive Benson housing development
Backers see the project as an economic boon; opponents worry it will deplete local groundwater and harm the environment.
New border wall could further deplete groundwater supplies
Some scientists and conservationists worry the water needs of the new border wall could put a valuable desert oasis at risk.
Environmental groups call on Arizona to close uranium mine
The groups cite flooding of the mine that threatens to contaminate drinking water.
‘Build the wall’ across the San Pedro River? Many say ‘no’
Disparate groups agree that walling off Arizona's last free-flowing river is a bad idea.
Climate change still threatens Colorado River after wet winter
Despite recent wet conditions, states still face a future with increasingly less water for farms and cities.
Housing development near San Pedro River gets green light, again
The Army Corps of Engineers has once again approved a key permit for Vigneto, a huge housing development near Benson, despite environmental concerns.
BLM: Border wall across San Pedro River would be 'engineering challenge'
A fence blocking the flows during monsoon could damage habitat and erode the San Pedro's channel and banks, the agency said.
As Southwest water managers grapple with climate change, can a 'Grand Bargain' work?
The approach aims to rebalance some of the bad math that came from promising water to too many people.
Judge to rule next week on whether to halt Rosemont Mine
Tribes and environmental groups who oppose the project are seeking a preliminary injunction.
