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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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DEQ awards $38,600 to Cedar Springs Community Water in Bonner County, Idaho

September 28, 2026 | Construction Grant, News Releases

BOISE – The Idaho Department of Environmental Quality (DEQ) today announced the award of a $38,600 low-interest drinking water loan to Cedar Springs Community Water in Bonner County, Idaho.

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Upcoming Events

Nov92026

Fiscal Year 2028 Letter of Interest Training

November 9 | 10:00 am MDT

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Nov122026

Board of Environmental Quality Meeting

November 12 | 9:00 am MDT

DEQ State Office | 1410 N. Hilton Boise

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Nov122026

South Fork of the Clearwater River Watershed Advisory Group Meeting – 12 pm PT

November 12 | 12:00 pm PDT

Super 8 – Grangeville | 801 SW 1st St Grangeville ID 83530

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Nov172026

Basin Advisory Group Chair: FY2027 Statewide §319 Project Selection Meeting

November 17 | 9:00 am MDT

DEQ State Office | 1410 N. Hilton Boise

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Nov172026

Drinking Water Advisory Committee Meeting

November 17 | 9:30 am MDT

DEQ State Office | 1410 N. Hilton Boise

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Did You Know?

If DEQ determines a violation has occurred, DEQ can issue a warning letter or a notice of violation; refer the case to the Idaho Attorney General’s office for civil or criminal enforcement; or refer the case to other relevant local, state, or federal enforcement agencies for enforcement consideration. See DEQ’s Compliance and Enforcement page for more information.
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