Idaho Department
of Environmental Quality

October 16, 2023
BOISE – The Idaho Department of Environmental Quality (DEQ) is releasing an Idaho Pollutant Discharge Elimination System (IPDES) preliminary draft permit to the Hayden Area Regional Sewer Board for preliminary review.

BOISE — The Idaho Department of Environmental Quality (DEQ) is expanding sampling and monitoring efforts across the state to enhance public preparedness and heighten bloom detection.

February 10, 2025
LEWISTON – The Idaho Department of Environmental Quality (DEQ) is seeking representatives to fill four vacancies on the Clearwater River Upper Tributaries Watershed Advisory Group (WAG).

August 3, 2023

BOISE – The Idaho Department of Environmental Quality (DEQ) is hosting a public workshop on the agency’s triennial review of Idaho’s surface water quality standards.