One out of every four Ontario schools and daycares that tested their tap water and reported their results found at least one sample that exceeded the recommended national safety limit for lead in drinking water in 2019, according to new provincial data analyzed by Global News and the Star.
The numbers are based on a sample of about 7,000 schools and daycares that reported their test results of tap water samples in the 2018-2019 year. Under provincial law, most high schools are not required to submit test results until January 2022. Of those that did report, about 1,900 schools and daycares found at least one tap water sample with lead levels exceeding five parts per billion (ppb) — Health Canada’s recommended limit of lead in drinking water.
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