What is special about the 5 Great Lakes?

Shared with Canada and spanning more than 750 miles (1,200 kilometers) from west to east, these vast inland freshwater seas provide water for consumption, transportation, power, recreation and a host of other uses. The Great Lakes are one of the world's largest surface freshwater ecosystems.



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Lake Superior is the Cleanest and Clearest Great Lake Because of its somewhat isolated location and long cold winters, not much farming is done along Superior's shores. This means lower amounts of nutrients, sediments, and organic material are floating around the lake.

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Lake Erie is the fourth-largest lake in North America (by surface area) and the eleventh-largest worldwide. It is the Great Lakes' southernmost, shallowest, and smallest by volume. By the 1960s, Lake Erie had become the most polluted of the Great Lakes, owing to the substantial industrial presence along its coasts.

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Lake Michigan The Great Lakes are all water bodies that swimmers should think twice about entering. Lake Michigan in particular is the roughest of the Great Lakes, and poses a major risk to those thinking of taking a dip. This body of water is often named the most dangerous lake in the United States.

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Lake Michigan wrecks: the oldest and the mostest Lake Michigan contains more shipwrecks than any of the other Great Lakes, as well as the oldest recorded one: the French ship Griffon, the first European vessel to sail the Lakes.

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Geology of Lake Inferior Lake Inferior is an underground lake that is located beneath Lake Superior. It is believed to be formed by a process known as karstification, which is the dissolution of limestone and dolomite rock. This process creates sinkholes, caves, and underground rivers and lakes.

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Compared to the other Great Lakes, Lake Michigan is considered to be the deadliest of them all. Here's why. Sadly, many of the Great Lakes aren't considered to be particularly safe to swim in, due to high pollution levels and strong currents.

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The most dangerous predator in the Great Lakes is the sea lamprey, which was actually introduced as an invasive species. Primarily, it goes after a sports fish called the lake trout, often wounding them as they kill them off. It is also attracted to the blood and bodily fluids of any creature.

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The water in the Great Lakes is owned by the general public according to the Public Trust Doctrine. The Public Trust Doctrine is an international legal theory – it applies in both Canada and the United States, so it applies to the entirety of the Great Lakes.

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Lake Erie is the shallowest and warmest of the Great Lakes.

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At 1,943 feet (592 meters), Crater Lake is the deepest lake in the United States and one of the deepest in the world. The depths were first explored thoroughly in 1886 by a party from the U.S. Geological Survey.

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Chicago, on the southern shore of Lake Michigan, is the largest city in the North American Great Lakes region; the metro area has a population of 9.6 million people.

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Lake sturgeons are the biggest fish in the Great Lakes.

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A 119-year-old shipwreck has been found at the bottom of Lake Erie. The wooden steam barge Margaret Olwill sank in 50 feet of water during a nor'ester in 1899. Eight people died, including the captain, his wife and their 9-year-old son.

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The Graveyard of the Great Lakes comprises the southern shore of Lake Superior between Grand Marais, Michigan, and Whitefish Point, though Grand Island has been mentioned as a western terminus. More ships have wrecked in this area than any other part of Lake Superior.

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Alligators are rarely found in the Great Lakes. Although some alligators thrive in freshwater, it's just too cold in the north for them to survive. They don't typically live farther north than North Carolina.

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Structural Currents These currents form around structures such as breakwalls and piers. These currents are always present. The bigger the waves, the more dangerous the structural currents become. Remember that the wave periods are extremely short in the Great Lakes.

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