Question

Why did the Erie Lake of America become Dead Lake?

Answer 1

By the late 1960s, people were declaring that “Lake Erie is dead.” The lake was heavily polluted with factory pollutants and sewer waste. ... As pollutants increased in the water, so did phosphorus and nitrogen levels, which led to the development of algal blooms.

Answer 2

Answer: Tourism and fishing, both recreational and commercial fishing (primarily along the Canadian shore) are important elements of the economy of Lake Erie. During the 1960s, Lake Erie was declared a “dead lake” due to eutrophication and pollution.