What is the deepest river in the USA?

Answer and Explanation: The deepest river in the United States is the Hudson River, which reaches 200 feet deep at some points. The St. Lawrence River, which runs through parts of the U.S., is slightly deeper with a maximum depth of 250 feet, but mostly flows along the border of the U.S. and into Canada.



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The short answer is “Yes!” The long answer is that it depends on when and where. Issues like sewage outflow and algal blooms keep many areas along the Hudson from being swimmable, particularly after rainfall.

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Measured along with the Lualaba, the main tributary, the Congo River has a total length of 4,370 km (2,720 mi). It is the only major river to cross the Equator twice.

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The Finke River, which is also called Larapinta by the Aboriginal People, in central Australia is believed to be the oldest river in the world. While the Finke River's exact age is unknown, it is at least over 300 million years old and some of the oldest parts of the river may be over 340 million years old.

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Women under 50 and children under 15 should not eat any fish from the Hudson River, including striped bass. Women who eat highly contaminated fish and become pregnant may have an increased risk of having children who are slower to develop and learn. Some contaminants may be passed on to infants in mother's milk.

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An estimated 100,000 people in the Hudson Valley rely on the Hudson for their drinking water.

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Where Can You Swim? The PLA allows swimming to take place upriver of Putney Bridge through to Teddington. It is permitted in this area only but be reminded that it is still a busy section of the tidal Thames for leisure and recreational activities.

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