Oceans, Lakes, and Rivers

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.

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

Get information about water quality in your state.