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The Chesapeake Bay's first inhabitants

The first inhabitants of the Chesapeake Bay region are referred to as Paleo-Indians. They came more than 10,000 years ago from other parts of North America, drawn in by the abundance of wildlife and waterways.

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Filtering drinking water

Forests and trees help filter and protect the drinking water of 75% of watershed residents.

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1.6 billion pounds of blue crabs

Since 1990, commercial watermen have harvested more than 1.6 billion pounds of blue crabs from the Bay. Data show commercial harvest has experienced a steady decline, and in 2014 hit the lowest level recorded in 25 years: 35 million pounds.

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Reducing runoff

Fourteen percent of watershed residents use rain barrels to collect rainwater from their downspouts and keep runoff out of rivers and streams. While water collected in rain barrels is not safe to drink, it can be used to water plants or wash cars.

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Formally recognized tribes in Virginia

The Commonwealth of Virginia has formally recognized 11 tribes. Among them, the Pamunkey tribe was the first Virginia tribe to be recognized by the federal government.

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Getting oxygen underwater

Just like those on land, animals in the Chesapeake Bay need oxygen to survive. Oxygen is present underwater in dissolved form, and in order to thrive, animals like blue crabs need dissolved oxygen concentrations of three milligrams per liter.

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Longest river fully within Maryland

The 110-mile-long Patuxent River is the longest river to flow exclusively within the borders of Maryland.

174 feet deep

The deepest part of the Bay, located southeast of Annapolis near Bloody Point, is called “The Hole” and is 174 feet deep.

12 miles wide

The mouth of the Chesapeake Bay is about 12 miles wide between its northern point near Cape Charles, Virginia, and its southern point close to Cape Henry, Virginia.

9.6 million acres of land

Approximately 9.6 million acres of land in the Bay watershed have been permanently protected from development by Bay Program partners.

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Three geologic regions

The Chesapeake Bay watershed contains three distinct geologic regions: the Atlantic coastal plain, the Piedmont plateau and the Appalachian province.

100,000 smaller tributaries

The Chesapeake Bay watershed has 150 major rivers and streams, but contains more than 100,000 smaller tributaries.

Six states and the District of Columbia

The Chesapeake Bay watershed stretches approximately 524 miles from Cooperstown, New York, to Norfolk, Virginia. It includes parts of six states—Delaware, Maryland, New York, Pennsylvania, Virginia and West Virginia—and the entire District of Columbia.

500 million pounds of seafood

The Bay produces about 500 million pounds of seafood per year.

26 different SAV species

The Chesapeake Bay is home to 26 different species of submersed aquatic vegetation (SAV), including freshwater plants, estuarine plants, redhead grass, and marine species.

21 feet deep

The Bay is surprisingly shallow. Its average depth, including all tidal tributaries, is about 21 feet. A person who is six feet tall could wade through more than 700,000 acres of the Bay and never get his or her hat wet.

Saltiest part of the Bay

Salinity is highest at the mouth of the Chesapeake Bay, where water from the Atlantic Ocean enters.

Longest free flowing river in the Bay watershed

The 195-mile-long Rappahannock River is the longest free flowing river in the Chesapeake Bay watershed.

3,600 species of plants and animals

The Bay supports more than 3,600 species of plants and animals, including 348 species of finfish, 173 species of shellfish, over 2,700 plant species and more than 16 species of underwater grasses.

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Captain John Smith visits the Bay

In 1608, Captain John Smith set off on the first of two voyages where he charted the land and waterways, and later drew an elaborate and remarkably accurate map of the Chesapeake Bay.

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80,000 acres of underwater grasses

Nearly 80,000 acres of underwater grasses grow in the shallows of the Chesapeake Bay and its tributaries. Young and molting blue crabs rely on underwater grass beds for protection from predators.

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Filtering up to 50 gallons of water a day

At filter feeders, oysters can filter up to 50 gallons of water a day.

1983

The Chesapeake Bay Program was organized in 1983 to help lead and direct restoration in the Chesapeake Bay.

18 trillion gallons

The Chesapeake Bay holds more than 18 trillion gallons of water.