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  2. Water pollution in Canada - Wikipedia

    en.wikipedia.org/wiki/Water_pollution_in_Canada

    Water pollution in Canada is generally local and regional in water-rich Canada, and most Canadians have "access to sufficient, affordable, and safe drinking water and adequate sanitation." [ 1 ] Water pollution in Canada is caused by municipal sewage, urban runoff, industrial pollution and industrial waste, agricultural pollution, inadequate ...

  3. Mercury contamination in Grassy Narrows - Wikipedia

    en.wikipedia.org/wiki/Mercury_contamination_in...

    Mercury contamination in Grassy Narrows was an uncontrolled discharge of between 9,000 kilograms (20,000 lb) and 11,000 kilograms (24,000 lb) of mercury from the Dryden Mill's chloralkali plant in Dryden into the headwaters of the Wabigoon River in the Kenora District of Northwestern Ontario from 1962 until 1970. [1]

  4. Environmental impact of the chemical industry in Sarnia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Water pollution is a serious concern in Sarnia. A June 2003 Ryerson University study concluded that the main source of water pollution in the St. Clair River occurs at the Sarnia Water Pollution Control Centre (WPCC) due to chemical spills and ship emissions. [12] In 2008, the city resolved to replace the aging sewer pumps that controlled the ...

  5. Walkerton E. coli outbreak - Wikipedia

    en.wikipedia.org/wiki/Walkerton_E._coli_outbreak

    The Walkerton E. coli outbreak was the result of a contamination of the drinking water supply of Walkerton, Ontario, Canada, with E. coli and Campylobacter jejuni bacteria. . The water supply was contaminated as a result of improper water treatment following heavy rainfall in late April and early May 2000, that had drawn bacteria from the manure of nearby cattle used to fertilize crops into ...

  6. Experimental Lakes Area - Wikipedia

    en.wikipedia.org/wiki/Experimental_Lakes_Area

    In 1968, the Province of Ontario and the Government of Canada set aside an area in a sparsely inhabited region of central Canada, southeast of Kenora, Ontario, which is relatively unaffected by external human influences and industrial activities, for experimental studies of the causes and control of eutrophication and other types of water pollution.

  7. Duffin Creek Water Pollution Control Plant - Wikipedia

    en.wikipedia.org/wiki/Duffin_Creek_Water...

    Aerial view from Lake Ontario. Duffin Creek Water Pollution Control Plant is on the north shore of Lake Ontario in the City of Pickering. It operates as a partnership between the Regional Municipality of York and the Regional Municipality of Durham. The Plant is capable of treating 630 million litres of wastewater each day and serves the ...

  8. Pollution in Canada - Wikipedia

    en.wikipedia.org/wiki/Pollution_in_Canada

    Pollution of the Great Lakes, the world's biggest bodies of fresh water, [20] continue to be a significant problem for both Canada and the United States. According to Derek Stack, executive director of Great Lakes United, "High pollution levels in the Great Lakes basin continue to take an apparent toll on the air and water quality of the ...

  9. Environmental issues in Toronto - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in...

    Environmental issues in Toronto encompasses all those concerns and opportunities presented by the environment of Toronto. Many are harmful effects, such as the pollution of air and water, while others are factors influenced by urban infrastructures such as highways and public transportation services. [1]