Who actually owns the Great Lakes?

Four of the Great Lakes—Erie, Huron, Ontario and Superior—are split between the U.S. and Canada. (Lake Michigan is entirely in the U.S.) Until 2017, American boaters did indeed need to be concerned about venturing into foreign waters and getting into trouble with customs authorities.



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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 Michigan is the only one of the Great Lakes that is entirely within the United States; the others form a water boundary between the United States and Canada.

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3. Who Owns Lake Superior? Lake Superior is shared by Canada and the United States of America. It has shorelines in the Canadian province of Ontario (Superior Country and Algoma Country), and the American states of Minnesota, Wisconsin, and Michigan.

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Lake Superior is located in North America and is shared by Canada and the United States of America. Thee US states, and one Canadian province, connect to the shores of Lake Superior including Ontario (Superior Country and Algoma Country), in Canada, and Minnesota, Wisconsin, and Michigan in the US.

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Do you drink the lake water? Lake Superior is the cleanest of the Great Lakes, and many people drink the water regularly (even in their homes). On trip, the decision is yours. For your safety we bring a high quality water filter or boil our water.

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The lake is located at the border between the United States and Canada, and is shared by the American states of Minnesota, Wisconsin and Michigan and the Canadian province of Ontario.

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Lake Superior is a vast fresh water resource that has not experienced the same levels of development, urbanization and pollution as the other Great Lakes. Recognizing the unique qualities of this resource, the United States and Canada are working to restore and protect the Lake Superior Basin.

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5. Lake Superior has its origins in the North American Mid-Continent Rift of 1.1 to 1.2 billion years ago, which produced a huge plume of hot mantle where the present lake sits. The crust tore apart, leaving an arc-shaped scar stretching form Kansas through Minnesota, then down to Michigan.

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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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Great Lakes waters are composed of numerous aquifers (groundwater) that have filled with water over the centuries, waters that flow in the tributaries of the Great Lakes, and waters that fill the lakes themselves.

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Lake Superior is the world's largest freshwater lake by area (31,700 mi2 /82,100 km2). It is also the coldest and deepest of the Great Lakes, with a maximum depth of 406 meters (1,332 feet). By most measures, it is the healthiest of all the Great Lakes.

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Also included within the special territorial and maritime jurisdiction of the United States by 18 U.S.C. § 7(2) are the Great Lakes and their connecting waterways. American nationality of the vessel is a prerequisite to jurisdiction under 18 U.S.C.

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The Chippewa people named Lake Superior Gitche Gumee or Ojibwe Gichigami, The Ojibwe's Great Sea. Lake Superior was an important part of the fur trading relationship between the Native people and the French fur traders. Lake Superior has been and will always be an important link in our Great Lakes Waterway.

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Threats to the Great Lakes' ecosystems, include invasive species, climate change, pollution, and habitat destruction. Climate change affects water temperatures, weather patterns, and lake levels.

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What would happen if Lake Superior dried up? Without Lake Superior, areas near the lake would see far less snow each winter, and the distribution of snow in the central and eastern regions around the lake would be far different. The effects would not be limited to snow.

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Lake Superior's beaches are open and safe for swimming over 90% of the time, and the water is extremely clear, with an average underwater visibility of 8.3 m (27 ft).

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Lake Superior holds a massive volume of water because of its enormous inland basin and the hundreds of rivers that feed it.

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Although the exact number of shipwrecks on Lake Superior is difficult to track, most historians mark it at about 6,000, although some say it could be upwards of 25,000. Just to the east of Pictured Rocks National Lakeshore, sits Whitefish Point, the site of the most famous shipwreck of Lake Superior.

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