Oceans, Lakes, and Rivers

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Millions of people across the United States swim, play, wade, and relax in oceans, lakes, rivers, and other natural bodies of water each year. Learn about the steps you can take to stay healthy when you visit natural bodies of water and find out more information about the quality of the water before you go.

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Visiting Oceans, Lakes, and Rivers
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Learn how to protect yourself and your family when swimming in oceans, lakes, and rivers.

Water Quality Information
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Get information about water quality in your state.

Page last reviewed: July 12, 2021