Media Contact: Jennifer Ekizian 208-415-5185 Public Health Advisory-Cyanobacteria Bloom  Waterbodies: Fernan Lake and Northern end of Hayden Lake Date Issued: 8/6/2026 Advisory Duration: Through the end of the recreation season (mid/late October) Image of HAB at Fernan Lake August 2026 Image of HAB at Hayden Lake August 2026 Panhandle Health District (PHD) in collaboration with the Idaho Department of Health & Welfare (IDHW) and Idaho Department of Environmental Quality (DEQ) have issued public health advisories for Fernan Lake and the