An official website of the United States government.
Find out about the quality of the water at beaches and health risks associated with swimming in polluted water.
Download the improved EPA Sanitary Survey App for Marine and Fresh Waters and register for a live training webinar.
Check water quality, read beach safety tips and learn what you can do to protect and clean up beaches.
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.
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