New testing found PFAS in 43 wells in La Cienega and La Cieneguilla as officials investigate the extent of groundwater contamination.

Federal agencies are seeking public input on which waters and wetlands should fall under the Clean Water Act. Comments close October 9.

Companies commit $32 million to Colorado River Basin water projects, with a goal of raising $100 million over the next two years.

Drought worsened in parts of the Colorado River Basin as much of the Southwest remained dry, while rain improved conditions in some areas.

Utah enters a new water year with statewide drought, reservoirs at 50% full and several rivers carrying sharply reduced natural flows.

A $251 million EPA loan will help California communities turn recycled water into a local supply serving about 105,000 customers.