A Look at the Chesapeake Bay The Chesapeake Bay is America's largest estuary and one of the world’s most productive. The Bay is home to over 2,700 species. It draws water from over 150 rivers, streams, and creaks, receiving roughly 70,000 cubic feet of water every second. That water reflects the surrounding land use activities of the District of Columbia, parts of New York, Pennsylvania, Delaware, Maryland, Virginia, and West Virginia. A total of about 15 million people reside in the Chesapeake Bay water shed. This means that the Bay must process more land-based pollution that most bodies of water. Water quality and living resources in the Chesapeake Bay that declined steadily over the l