Canada reacts to water contamination.
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D004926:Escherichia coli; D006077:Government Agencies; D006801:Humans; D016365:Liability, Legal; D009864:Ontario; D011634:Public Health; D012499:Sanitation / Q000592:standards; D014871:Water Microbiology; D014876:Water Pollution / Q000009:adverse effects*; D018508:Water Purification / Q000592:standards; D014881:Water Supply / Q000592:standards