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Announcement Icon Public drinking water and wastewater systems can now apply for DEQ funds to assist with facility planning projects and building or repairing infrastructure. Letters of Interest (LOIs) are due January 8, 2027. Learn more Close
We protect human health and the quality of Idaho's air, land, and water.

Recent News

DEQ awards $25,000 to West Mountain Cottages, Inc. in Canyon County

November 3, 2026 | News Releases, Planning Grant

BOISE — The Idaho Department of Environmental Quality (DEQ) announced the award of $25,000 to a water system to help evaluate deficiencies and determine necessary upgrades.

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DEQ releases 2027 Idaho Pollutant Discharge Elimination System Permit Issuance Plan

October 30, 2026 | News Releases

BOISE – The Idaho Department of Environmental Quality (DEQ) today released the 2027 Idaho Pollutant Discharge Elimination System Program (IPDES) Permit Issuance Plan.

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DEQ awards $1,400,000 to the City of Island Park

October 19, 2026 | Construction Grant, News Releases

BOISE – The Idaho Department of Environmental Quality (DEQ) today awarded $1,400,000 in low-interest drinking water lead service line loan funding to the City of Island Park in Fremont County, Idaho.

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DEQ to host open house on draft 401 water quality certification for Caldera Flats project

October 19, 2026 | News Releases

ISLAND PARK – The Idaho Department of Environmental Quality (DEQ) invites the public to attend an open house focused on DEQ’s draft 401 water quality certification for the Caldera Flats project.

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Did You Know?

Wondering if there is a burn ban in effect? Visit DEQ’s Air Quality Advisories and Outdoor Burning Restrictions by County Map for current air quality burning restrictions. Always check with your local fire department before burning.
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