PFAS concentrations in Los Angeles and Santa Ana rivers exceed federal safety limits, posing serious health risks to ...

Officials behind Orange County’s newest conservation area, the nearly 400-acre Randall Preserve, are seeking input as they ...

SAN DIEGO COUNTY, Calif. — Fire crews battled a brush fire that is burning in Oceanside near College Boulevard on Tuesday .

A coalition has begun an effort to bring back Tulare Lake and its once-vast wetlands on thousands of acres of farmland in the ...

A proposal to redirect $1 million from community events to support families impacted by enforcement actions sparked sharp ...

Arizona water chief: Release Colorado River water based on what's there Sabino, Madera, Mt. Lemmon taken off list of public lands that could be sold 1 injured in I-10 crash on Tucson's NW side ...

Tucson Water plans to start discharging water containing low levels of PFAS compounds from its south-side water treatment plant into the Santa Cruz River in early October — if it gets a state ...

New data shows that water levels in major reservoirs including Lakes Mead and Powell are well below average for this time of ...

California and six other states that use water from the Colorado River are nearing a 2026 deadline to come up with new rules for sharing shrinking supplies.

The seven states that share the Colorado River are floating a new concept for how water could be shared in the future, ...

Advisories were issued because testing showed the water in those areas had bacteria levels that exceeded state standards.

In August 2015, an unplanned release of acid mine drainage from the Gold King Mine turned the Animas River bright orange. It ...