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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.

3.4 miles wide

The narrowest point of the Chesapeake Bay measures 3.4 miles, and is located near Aberdeen, Maryland.

The Powhatan tribes

There were many different tribes in the region before Europeans arrived, but the dominant group were Algonquian speakers known collectively as the Powhatan tribes.

How we can fix water pollution

Eighty-six percent of watershed residents believe if people work together, water pollution can be fixed.

12 major rivers

Major rivers emptying into the Bay include the James, York, Rappahannock, Potomac, Patuxent, Patapsco and Susquehanna from the west and the Pocomoke, Wicomico, Nanticoke, Choptank and Chester from the east.

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.

34 degrees Fahrenheit

Water temperatures in the Bay fluctuate widely throughout the year, dropping as low as 34 degrees in winter.

87 species of waterbirds

During the winter, the Bay supports 87 species of waterbirds. Of these wintering waterbirds, 14 species rely on the Bay to serve as habitat for more than 10% of their continental populations.

Meaning of "Chesepiooc"

The word Chesepiooc is an Algonquian word referring to a village "at a big river." In 2005, Algonquian historian Blair Rudes helped dispel the widely-held belief that the name meant “great shellfish bay.”

85% of airborne nitrogen

Healthy forests can capture more than 85% of the nitrogen that falls onto them from the air.

Saltiest part of the Bay

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

Formally recognized tribes in Maryland

The State of Maryland has formally recognized three tribes: the Piscataway Indian Nation, Piscataway Conoy Tribe and the Accohannock Indian Tribe.

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80% of the Bay's freshwater

Collectively, the Chesapeake’s three largest rivers—the Susquehanna, Potomac and James Rivers—provide more than 80% of the fresh water to the Bay.

3 years long

Blue crabs have a rapid growth rate and short life span. Few blue crabs live longer than three years.

500 million pounds of seafood

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

70 acres of forest lost each day

Forests cover 55% of the Chesapeake Bay watershed. Between 1990 and 2005, the watershed lost an estimated 100 acres of forest land each day. While this rate fell in 2006 to an estimated 70 acres per day, this rate is still unsustainable.

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29 species of waterfowl

The Chesapeake region is home to at least 29 species of waterfowl.

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100,000 smaller tributaries

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

The Bay's largest tributary

The Susquehanna River is the Bay’s largest tributary, and contributes about half of the Bay’s freshwater (about 19 million gallons per minute).

10 U.S. presidents

There have been 10 U.S. presidents from the Chesapeake Bay watershed, including George Washington, Thomas Jefferson, James Madison, James Monroe, William Henry Harrison, John Tyler, Zachary Taylor, Woodrow Wilson, James Buchanan and Joe Biden.

35 miles wide

The widest point of the Chesapeake Bay measures 35 miles, and is located near the mouth of the Potomac River.

4,863 feet above sea level

At 4,863 feet above sea level, Spruce Knob is the highest point in the Chesapeake watershed.