Order free copies
To order free printed copies in English or Spanish, visit CDC Publications On Demand. Choose "Harmful Algal Blooms" on the dropdown menu next to "Program."
A .gov website belongs to an official government organization in the United States.
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
Related Topics:
Learn how to protect your pets and livestock from cyanobacteria (blue-green algae).
To order free printed copies in English or Spanish, visit CDC Publications On Demand. Choose "Harmful Algal Blooms" on the dropdown menu next to "Program."
Harmful algal blooms are the rapid growth of algae or cyanobacteria in water that can harm people, animals, or the environment.
View All