Which Great Lake is the dirtiest?
Lake ErieOf all of the Great Lakes, Lake Erie had become predominantly polluted by the 1960s, largely due to the heavy industrial presence along its shores.
With 11.6 million people living in its basin, and with big cities and sprawling farmland dominating its watershed, Lake Erie is severely impacted by human activities..
Which Great Lake is the least polluted?
Lake SuperiorLake Superior has the largest volume of all the Great Lakes. It is the coldest and deepest and because it has a cooler climate and poor soil conditions it is the least polluted. Lake Michigan is the second largest of the Great Lakes. It is located completely within the United States.
Which Great Lake is the warmest?
Lake Erie still averages 75 degrees today, down just less than one degree in the past week. Lake Erie peaked at its warmest average reading of 79.3 on July 11, 2020. Lake Ontario got surprisingly warm this summer with the warmest average at 77 degrees.
Are the Great Lakes clean to swim in?
Sure, the Great Lakes are a lot cleaner than they were back in the 1960s, when a Cleveland newspaper pronounced Lake Erie dead due to the huge amount of industrial and agricultural pollution and sewage that had flowed into it. But as recently as 2014, pollution rendered Toledo’s water unsafe to drink.
Is Lake Erie safe to swim in 2020?
“DANGER,” warned a red sign posted in the sand near the edge of Lake Erie. … “Avoid all contact with the water.” The reason: The water was contaminated with algae-like cyanobacteria, which can produce toxins that sicken people and kill pets.
What is the most dangerous Great Lake?
Lake MichiganIn 2020, 94 people drowned in the Great Lakes. More than half of them occurred in Lake Michigan. “Lake Michigan is the worst of the Great Lakes in terms of numbers of drownings,” said Atkinson. “If water level rises by a foot, that means the water depth is greater by a foot.