ADEQ

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.


ADOT

Reduced traffic on the roads during the coronavirus pandemic has led to improvements in Arizona’s air quality. KNAU’s Melissa Sevigny reports.


Coconino National Forest

The Clean Water Act no longer applies to ephemeral streams which do not flow year round, due to a new rule from the Trump administration. KNAU’s Melissa Sevigny reports on what that means for Arizona.

The Arizona Department of Environmental Quality estimates about 90 percent of the state’s waterways no longer have federal protection.

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.


CDC/Debora Cartagena

The Arizona Department of Environmental Quality has lifted a statewide ban on recycling wastewater for drinking. Flagstaff city officials say the new rule opens up more options for the future. KNAU’s Melissa Sevigny reports.


Pages