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

Recent News

DEQ prepares IPDES preliminary draft permit for Stibnite Gold Project worker housing facility

May 19, 2026 | News Releases

BOISE – The Idaho Department of Environmental Quality (DEQ) is releasing an Idaho Pollutant Discharge Elimination System (IPDES) preliminary draft permit for preliminary review to Perpetua Resources I…

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DEQ seeks members for Southwest Basin Advisory Group

May 18, 2026 | News Releases

BOISE – The Idaho Department of Environmental Quality (DEQ) is seeking multiple representatives to fill vacancies on the Southwest Basin Advisory Group (BAG).

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DEQ awards $40,527,566 to the City of Sandpoint, Bonner County

BOISE – The Idaho Department of Environmental Quality (DEQ) today announced the award of a $38,000,000 low-interest wastewater construction loan and $2,527,566 in Legislative Supplemental Funding to t…

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Wyoming, Idaho, and Utah Departments of Environmental Quality announce results of 2021 Tri-State Bear Survey

May 8, 2026 | News Releases

CHEYENNE, Wyo. — The Wyoming, Idaho, and Utah Departments of Environmental Quality have announced the results of the 2021 Tri-State Bear Survey (TBS), a water quality assessment of perennial streams a…

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Did You Know?

The Idaho Department of Health and Welfare offers a Community Guide for Staying Healthy During Wildfire Smoke Events and Activity Guidelines for Wildfire Smoke Events. These resources can help you decide whether it’s safe to be outside.
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