What’s in your drinking water? On Prince Edward Island, the provincial testing program shows potable water in some communities have higher levels of toxic “forever chemicals” than is recommended by Health Canada. To what extent this affects other provinces is unclear – PEI is currently the only province that systematically tests water supplies to make sure they hit federal targets for toxic chemicals.

Patrick White is The Globe’s water reporter. He explains the safety concerns surrounding “forever chemicals” in our water, why the health agency revamped its guidelines and looks into why other provinces are slow to adapt.

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