re: Why is Lake Pontchartrain called a "lake"?

So youre saying the Great Lakes arent Lakes?

Do the Great Lakes receive tidal flow or contain brackish water?

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My point is....if hes saying that Lake Pontchartrian isnt a "Lake" then neither are all the other Lakes that I listed.

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On what possible basis would they not. It looks like the argument here is one of salinity and ocean tidal effects as to Lake Pontchartain. I’m not saying it shouldn’t be a “lake” but I get the arguments. I still don’t see what possible arguments you are suggesting for the Great Lakes or Occachobee.

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They receive tidal flow through the St Lawrence River...

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I don’t think this is correct. At least I don’t see how it could be.

It's a really good question.....

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ENCYCLOPEDIC ENTRY VOCABULARY
A lake is a body of water that is surrounded by land. There are millions of lakes in the world. They are found on every continent and in every kind of environment—in mountains and deserts, on plains, and near seashores.

Lakes vary greatly in size. Some measure only a few square meters and are small enough to fit in your backyard. Such small lakes are often referred to as ponds. Other lakes are so big that they are called seas. The Caspian Sea, in Europe and Asia, is the world’s largest lake, with an area of more than 370,000 square kilometers (143,000 square miles).

Lakes also vary greatly in depth. The world’s deepest lake is Lake Baikal, in Russia. Its bottom is nearly 2 kilometers (more than 1 mile) below the surface in places. Although Lake Baikal covers less than half the surface area of Lake Superior—one of North America’s Great Lakes—it is about four times deeper and holds nearly as much water as all five of the Great Lakes combined. Other lakes are so shallow that a person could easily wade across them.

Lakes exist at many different elevations. One of the highest is Lake Titicaca, in the Andes Mountains between Bolivia and Peru. It is about 3,810 meters (12,500 feet) above sea level. The lowest lake is the Dead Sea, between Israel and Jordan. It is more than 395 meters (1,300 feet) below sea level.

The water in lakes comes from rain, snow, melting ice, streams, and groundwater seepage. Most lakes contain freshwater.

All lakes are either open or closed. If water leaves a lake by a river or other outlet, it is said to be open. All freshwater lakes are open. If water only leaves a lake by evaporation, the lake is closed. Closed lakes usually become saline, or salty. This is because as the water evaporates, it leaves behind solids—mostly salts. The Great Salt Lake, in the U.S. state of Utah, is the largest saline lake in North America. Its water is saltier than the ocean. Surrounding the Great Salt Lake are salt flats, areas where the lake has evaporated, leaving only stretches of white salt.

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They receive tidal flow through the St Lawrence River

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How the hell do 4 foot tides at sea level flow into lakes several hundred feet above sea level?

ETA: Plus, with the exception of Lake Ontario, isn't fricking Niagara Falls between the other four lakes and the ocean?

And if they are affecting more than one, they are going up Niagara Falls as well.

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Lake Borgne on the other hand. Yeah that one is fricked up.

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Do we let that pass because most of it's water comes from MS Sound, which gets most of it's water from rivers, as opposed to the water really being true Gulf Water?