Healthy Water Features
Harmful algae and cyanobacteira (sometimes called blue-green algae) can produce toxins (poisons) that can make people and animals sick and affect the environment.
Learn how taking proper care of your contact lenses can help you see better and keep your eyes healthy.
Learn what makes your drinking water safe and what CDC is doing to prevent waterborne disease.
Play a role in protecting the planet by celebrating World Water Day each year on March 22.
Every year, CDC focuses on a different topic for Healthy and Safe Swimming Week.