Is Lake Ontario cleaner than Lake Erie?

The State of the Great Lakes 2022 Report by the Michigan Department of Environment, Great Lakes and Energy have analyzed and reported that Lake Superior and Lake Huron are rated as “good” ecosystems as Lake Michigan and Lake Ontario are rated “fair” and Lake Erie was ranked as “poor.”



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“Lake Erie, the smallest and shallowest of the five lakes, is also the filthiest; if every sewage pipe were turned off today, it would take 10 years for nature to purify Erie. Ontario is a repository for Buffalo-area filth.

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The opposite of Lake Superior in almost every way, Lake Ontario is the easternmost, lowest in elevation, smallest in surface area and perhaps the most polluted Great Lake.

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Lake Huron, the second-largest of the Great Lakes, tops the list for its pristine turquoise waters, unparalleled shoreline sunrises, numerous lakeside parks, gorgeous beaches, and historic lighthouses. French explorers proclaimed it La Mer Douce, “the freshwater sea.” What's more, Lake Huron is home to 30,000 islands!

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Yes! Lake Ontario offers fantastic swimming at many beaches. Not all beaches are 'public beaches', some are naturally occurring 'wild beaches' along Lake Ontario's shoreline. Local Health Units often test water quality at public beaches and lifeguards may supervise swimmers in designated swimming areas.

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Lake Erie is the fourth-largest lake in North America (by surface area) and the eleventh-largest worldwide. It is the Great Lakes' southernmost, shallowest, and smallest by volume. By the 1960s, Lake Erie had become the most polluted of the Great Lakes, owing to the substantial industrial presence along its coasts.

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The pollution process was exacerbated by water flowing into the lake from various industrial cities. Detroit was home to factories that dumped acids, iron and oil wastes into the river that flowed into Lake Erie at its Western end. Runoffs from Cleveland farms carried wastes into the lake from its Southern end.

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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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Currents in Lake Erie can be dangerous! Any current flowing faster than 2 mph is considered dangerous. Dangerous currents can exceed 5 mph — faster than an Olympic swimmer can swim. Currents can pull swimmers away from shore.

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Although small in volume, Lake Erie is a thriving, productive environment.

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Things improved for the lake with the passage of environmental legislation in the 1970s. Bihn believes that Lake Erie is one of the great success stories of the Clean Water Act of 1972, leading some to dub it the comeback lake.

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Millions of people rely on the Great Lakes for their drinking water, which is considered safe if filtered properly. The city of Toronto treats over 1 billion litres of drinking water every day. That water is collected from Lake Ontario through intake pipes deep below the surface and at least 1 km from the shore.

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Lake Ontario continues to be a good source of high-quality drinking water. Toxic chemicals monitored in Lake Ontario are assessed as Fair and long-term trends indicate that concentrations are declining, including declines in contaminant concentrations in fish filets.

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Little Cove, Tobermory Located in Little Cove Provincial Park, the rugged Lake Huron shoreline provides some of the clearest water in Ontario.

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It's the 'forgotten' Great Lake Lake Huron is often overlooked compared with the other four Great Lakes. Superior has a reputation as the coldest, deepest and largest.

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The highest median levels were found in Lake Michigan and Lake Ontario. Though myriad microplastic sources exist, wastewater treatment plants seem to be a major Great Lakes basin contributor, as they are elsewhere, Hataley said.

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Dry yourself off with a towel as soon as you come out of the water. If possible, have a shower and dry off right away. However, showering will not remove any larvae that have already burrowed under your skin.

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Located in the top half of New Zealand's South Island, Blue Lake is said to be the clearest lake in the world. Its waters are fed by another lake that sits above its height of 1,200 meters above sea level.

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The Great Lakes are not (noticeably) salty because water flows into them as well as out of them, carrying away the low concentrations of minerals in the water, writes Michael Moore of Toronto. Eventually, this water, with its small load of dissolved minerals or salts, reaches the sea.

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