Idaho Department
of Environmental Quality

November 18, 2022
POCATELLO – The Idaho Department of Environmental Quality (DEQ) is announcing a public hearing and extending the public comment period on an application to modify a permit to construct and Tier 1 operating permit for J.R. Simplot Company – Don Siding Plant.

September 29, 2023

BOISE — The Idaho Department of Environmental Quality (DEQ) has reviewed for completeness an application from Perpetua Resources Idaho, Inc. for a permit to construct, operate, and close a cyanidation facility intended to contain, treat, or dispose of process water or process-contaminated water containing cyanide.  

July 20, 2023
TWIN FALLS — The Idaho Department of Environmental Quality (DEQ) is seeking representatives to fill five vacancies on the Wood River Watershed Advisory Group (WAG).