An official website of the United States government.
We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.
Find out about the quality of the water at beaches and health risks associated with swimming in polluted water.
> Discover 4 ways to learn about your beach
> 2018 Beach Report
Check water quality, read beach safety tips and learn what you can do to protect and clean up beaches.
> Four ways to get ready
EPA has released a suite of materials states and communities can use to protect public health during harmful algal bloom (HAB) outbreaks caused by cyanobacteria.
> Learn how to protect public health during HAB outbreaks
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