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Casselman residents disgusted by latest bout of 'horrifying' brown water Social Sharing

Casselman residents disgusted by latest bout of 'horrifying' brown water Social Sharing

Manganese levels were at a historic high earlier this week, reaching 0.45 mg/L, according to Mayor Geneviève Lajoie. They subsequently decreased to 0.35 mg/L on Thursday, still well above Health Canada's "maximum acceptable concentration" of 0.12 mg/L. That guideline is based on the possible risks for infants, who may be particularly sensitive to neurological effects.