Arizona Department of Environmental Quality

Ryan Heinsius / KNAU

State environmental regulators will require owners of a uranium mine near the South Rim of the Grand Canyon to apply for more stringent water protection permit that will likely allow additional oversight. KNAU’s Ryan Heinsius reports.


Grand Canyon National Park/Flickr

Grand Canyon National Park officials have limited visitation and water use at Phantom Ranch as they overhaul a wastewater treatment facility. It comes more than two years after park and state officials agreed to upgrade the aging system. KNAU’s Ryan Heinsius reports.

State officials are warning about elevated mercury levels in a species of fish at a Williams-area lake.

Ryan Heinsius / KNAU

Flagstaff residents in recent months may have noticed a handful of shuttered gas stations in the city. KNAU’s Ryan Heinsius reports, they’re among nearly 300 locations in the state with leaking underground storage tanks.

Environmental Integrity Project

A new report says funding and staff at state agencies tasked with pollution control have diminished significantly in the last decade. KNAU’s Melissa Sevigny reports, Arizona’s agency is third highest in the nation for staffing cuts.