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Announcement Icon Updated at 9 a.m. MT on July 27, 2026: DEQ issued an Air Quality Advisory for the following Idaho counties: Ada, Adams, Bannock, Bingham, Boise, Bonneville, Butte, Camas, Canyon, Cassia, Clark, Clearwater, Custer, Elmore, Fremont, Gem, Gooding, Idaho, Jefferson, Jerome, Latah, Lemhi, Lewis, Lincoln, Madison, Minidoka, Nez Perce, Owyhee, Payette, Power, Teton, Twin Falls, Valley, Washington Counties, where all burning is prohibited. Take steps to protect your health and check DEQ’s air quality advisories map for future burn decisions. Learn more Close

Report a Potential Cyanobacteria Algal Bloom

Report a Potential Cyanobacteria Harmful Algal Bloom

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Please describe the location and the appearance of the bloom.
Did you observe the potential bloom at a private or public waterbody?
Are there any human illnesses associated with this report?
In the event of an illness, contact Poison Control at (800) 222-1222.
Are there any animal illnesses associated with this report?
In the event of an illness, contact Poison Control at (800) 222-1222.
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