Official Government Website

Cyanobacteria Harmful Algal Blooms

The health advisory map has moved from our website to the Department of Health and Welfare’s (DHW) website. Please see the DHW’s Safe Water web page for more information about possible health effects and symptoms associated with cyanobacteria and the map showing the locations of Recreation Water Health Advisories.

The Idaho Department of Environmental Quality and the DHW each play a role in identifying, responding to, and monitoring cyanobacteria harmful algal blooms (HABs).

Our staff is responsible for sampling Idaho water bodies and analyzing water quality data to identify potential threats to people and pets, and we provide the sample results to DHW.

Visit the Idaho Department of Health and Welfare Safe Water page for information on active blooms, health advisories, and health information.

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Water Quality Standards Analyst

Brian Reese
(208) 373-0570

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