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.
Lawsuit challenges northern Arizona fracking leases
Conservation groups say the BLM violated laws by not conducting environmental reviews or consulting tribes.
Sahuarita residents urged to boil water
E. coli bacteria were detected in some samples of the drinking water.
A new effort to deal with a leaky cross-border sewage pipe
For years, Nogales residents have suffered from water contamination that stems from the wastewater line.
Santa Cruz River project means coordination between water infrastructure managers
New water released into the Santa Cruz River means the city and county are working together on issues like flooding and wastewater.
Arizona senators propose drought bill
The bipartisan bill aims to help water utilities plan for dry future
Initial flow for Santa Cruz River project goes beyond expectations
The project pumping reclaimed water into a section of river near downtown saw water reach farther downriver than predicted.
Native Arizona fish finds new home in Tucson's Mission Garden
Last week, one of Arizona’s most historically prolific native fish was introduced into some new habitat at the Mission Garden.
Tucson reviving a stretch of the Santa Cruz River
Tucson Water is putting water back into the Santa Cruz River near downtown.
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.
