Idaho Department
of Environmental Quality

June 26, 2025
BOISE – Summer is peak season for harmful algal blooms (also known as blue-green algae, cyanobacteria harmful algal blooms, or HABs) and Idahoans are reminded to stay safe and protect their pets when recreating in and around water. 

March 31, 2023
TWIN FALLS — The Idaho Department of Environmental Quality (DEQ) is seeking representatives to fill two vacancies on the Upper Snake Basin Advisory Group (BAG).

September 22, 2022
TWIN FALLS – The Idaho Department of Environmental Quality (DEQ) is preparing a draft 401 water quality certification for Stevenson No. 2 (Black Canyon Bliss) hydroelectric facility – Federal Energy Regulatory Commission (FERC) Docket No. P-8866. 

January 15, 2025

BOISE – The Idaho Department of Environmental Quality today awarded $4,553,300 in emerging contaminant construction loan funding to two Idaho water systems.