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Learn what the air quality is where you live using U.S. government locator tools.
Image: Arizona State University Ask A Biologist
Watersheds are areas of land that drains all water into the same location such as a river, lake, or bay. They consist of different forms of surface water (lakes, streams, wetlands, etc.), as well as groundwater. Some watersheds cover large areas of land while others are quite small. Explore the links below to learn more about watersheds, as well as the Potomac and Chesapeake Bay Watersheds.
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