Welcome to the Idaho Department of Environmental Quality
We are proud to protect human health and the quality of Idaho’s air, land, and water.
Air Quality
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Cyanobacteria
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News Releases
DEQ finalizes completeness review of cyanidation permit application for Perpetua Resources Idaho, Inc.
September 29, 2023
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DEQ preparing draft 401 water quality certification for American Falls Hydroelectric Project
September 18, 2023
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Big Springs Water Company, LLC Appointed as Receiver of Island Park Water Company, Inc.
September 18, 2023
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DEQ conducts completeness review for cyanidation permit application for Perpetua Resources Idaho, Inc.
September 1, 2023
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Events
10Oct
2:30 pm – 3:30 pm
Proposed Rule Public Hearing Air Quality: Docket No. 58-0101-2301
Tuesday, DEQ State Office
11Oct
10:00 am – 3:00 pm
Upper Snake River Basin Advisory Group Meeting
Wednesday, Twin Falls Regional Office
No event found!