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We protect human health and the quality of Idaho's air, land, and water.

Recent News

DEQ lifts boil water advisory for private well owners around Big Springs Ave – Island Park

September 25, 2026 | News Releases

ISLAND PARK – The Idaho Department of Environmental Quality (DEQ) is lifting the boil water advisory for private well owners around Big Springs Avenue in Island Park, Idaho.

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DEQ seeks applications for Idaho AIR-FAIR high school competition

September 18, 2026 | News Releases

BOISE – The Idaho Department of Environmental Quality (DEQ) is seeking applications to the Idaho AIR-FAIR, an educational pilot program for the 2026–2027 school year.

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DEQ seeks member for Clearwater Basin Advisory Group

September 17, 2026 | News Releases

LEWISTON – The Idaho Department of Environmental Quality (DEQ) is seeking a representative to fill a vacancy on the Clearwater Basin Advisory Group (BAG).

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Proper septic system operation and maintenance protect human health and Idaho’s water quality

September 14, 2026 | News Releases

BOISE – Many Idaho households that are not served by public sewers rely on septic systems to treat and dispose of wastewater. Proper operation and maintenance help protect public health, drinking wate…

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Did You Know?

You need a permit to burn your field. To get a permit, visit DEQ’s Crop Residue Burning web page. Growers registered to burn with DEQ are automatically registered for a fire safety burn permit with the Idaho Department of Lands.
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