How deep is the water around Manhattan?

A channel 40 feet deep for the full width of the river, extending from deep water in Upper New York Bay of Ellis Island to West 59th Street, Manhattan. This channel is about 6 miles long. A channel 30 feet deep, 750 feet wide, along the Weehawken - Edgewater (NJ) waterfront.



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The New York State Department of Health's advice is that it's perfectly fine to swim in the Hudson River water surrounding New York City, but only so long as you take some basic precautions.

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600 Feet Under Manhattan in NYC's Underground City.

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Experts say it's safe to swim in most of the Hudson most of the time — though things get dicey after it rains.

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The Congo is the deepest river in the world. Its headwaters are in the north-east of Zambia, between Lake Tanganyika and Lake Nyasa (Malawi), 1760 metres above sea level; it flows into the Atlantic Ocean.

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Key Points: At a depth of 216 feet (though some sources say it's 202 ft), the Hudson River is the deepest river in the United States. The Hudson River's headwaters are located in the Lake Tear of the Clouds in New York's Adirondack Park. It travels 315 miles from that point to Upper New York Bay.

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The Hudson was notorious decades ago for being tainted by everything from industrial chemicals to old tires and sewer runoff. Even as late as 2004, when Swain swam the length of the river to encourage its continued cleanup, a New York Post headline read: Love That Dirty Water; Eco-Nut Swims The Slimy Hudson River.

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