Watercolour of a small house at dusk, with the water meter cover in the sidewalk out front.

Is there lead in Toronto's tap water?

1.2PPBparts per billion of lead in Wilson County Rwd 11's water at the latest test, from 2023 to 2025

Under the legal limit of 15 ppb

Water companies that supply Toronto

3 public water companies list Toronto as a place they supply. The biggest is Wilson County Rwd 11, with about 836 people. The highest latest result among Toronto's water companies is 2.1 parts per billion, at Toronto's water department. None of the 3 with results was above 15 at its latest test. Small ones like Toronto's water department supply just their own grounds or street; most of Toronto gets its water from Wilson County Rwd 11. Your water bill names yours.

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