<P> The water supply in Northern Ireland has never been artificially fluoridated except in two small localities where fluoride was added to the water for about 30 years . By 1999, fluoridation ceased in those two areas, as well . </P> <P> In 2004, following a public consultation, Scotland's parliament rejected proposals to fluoridate public drinking water . </P> <P> The decision whether to fluoridate lies with local governments, with guidelines set by provincial, territorial, and federal governments . Brantford, Ontario became the first city in Canada to fluoridate its water supplies in 1945 . In 1955, Toronto approved water fluoridation, but delayed implementation of the program until 1963 due to a campaign against fluoridation by broadcaster Gordon Sinclair . The city continues to fluoridate its water today . In 2008 the recommended fluoride levels in Canada were reduced from 0.8--1.0 mg / L to 0.7 mg / L to minimize the risk of dental fluorosis . Ontario, Alberta, and Manitoba have the highest rates of fluoridation, about 70--75% . The lowest rates are in Quebec (about 6%), British Columbia (about 4%), and Newfoundland and Labrador (1.5%), with Nunavut and the Yukon having no fluoridation at all . Overall, about 45% of the Canadian population had access to fluoridated water supplies in 2007 . A 2008 telephone survey found that about half of Canadian adults knew about fluoridation, and of these, 62% supported the idea . </P> <P> In 2010, the Region of Waterloo held a non-binding referendum for residents to decide whether water fluoridation should continue . The result of the vote was 50.3% voting against fluoridation . The regional council honored the vote, and over forty years of fluoridation in the city of Waterloo ended in November . </P>

When was fluoride added to water in canada
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