Did Lake Ontario ever freeze over?
There have been five reported (anecdotally, not instrumentally) occurrences when the surface of Lake Ontario has frozen over: 1829/30, 1873/74, 1893/94, 1911/12 and 1933/34 (May, 2008).
Who owns Lake Ontario?
Ontario claims ownership of its lakes and rivers. Its Ministry of Natural Resources website refers to the fact that the “Constitution Act” gives provinces ownership of their water resources “both surface and ground water…”
Is Lake Ontario dirty?
Lake Ontario may be the most polluted out of the five Great Lakes. All of the other lakes flow into it, giving it their pollution. It also receives runoff from farms and businesses around it, according to the University of Wisconsin Sea Grant Institute.