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

Recent News

DEQ seeks livestock and grazing representative for the Middle Snake Watershed Advisory Group

March 2, 2026 | News Releases

TWIN FALLS – The Idaho Department of Environmental Quality (DEQ) is seeking a representative to fill a vacancy on the Middle Snake Watershed Advisory Group (WAG).

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DEQ awards $3,200,000 to the Bailey Creek Homeowners Association in Caribou County

February 25, 2026 | Construction Grant, News Releases

BOISE – The Idaho Department of Environmental Quality (DEQ) awarded a $3,200,000 low-interest drinking water construction loan to the Bailey Creek Homeowners Association in Caribou County, Idaho.

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DEQ seeks member for Clearwater Basin Advisory Group

February 25, 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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DEQ preparing draft 401 water quality certification for Ashton Hydroelectric Project

February 3, 2026 | News Releases

IDAHO FALLS – The Idaho Department of Environmental Quality (DEQ) is preparing a draft 401 water quality certification for the Ashton Hydroelectric Project—Federal Energy Regulatory Commission (FERC) …

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Did You Know?

Labs certified to perform drinking water analyses in Idaho are managed by the Idaho Bureau of Laboratories (IBL) and available here: List of certified labs. These labs meet EPA standards for water quality testing. More information can be found on DEQ’s Contaminants in Drinking Water page.
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