Updated at 1:20 p.m. MT on July 31, 2026: DEQ issued an Air Quality Advisory for the following Idaho counties: Ada, Adams, Canyon, Clearwater, Gem, Idaho, Latah, Lewis, Nez Perce, Owyhee, Payette, and Washington Counties, where all burning is prohibited. Take steps to protect your health and check DEQ’s air quality advisories map for future burn decisions.
Learn more Close
July 7, 2022
The Idaho Department of Environmental Quality (DEQ) invites the public to join for an open house event focused on cyanobacteria, cyanotoxins, and water quality monitoring at Cascade Lake.
February 3, 2023
BOISE — The Idaho Department of Environmental Quality (DEQ) today announced the award of $51,335,442 in construction grants to six drinking water and wastewater systems.
May 23, 2023
BOISE- The Idaho Department of Environmental Quality (DEQ) announces a public comment period, May 23–June 12, 2023, concerning the following draft documents, which, upon final DEQ Board acceptance, will govern the state fiscal year 2024.