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

Is there lead in Lewiston's tap water?

1PPBparts per billion of lead in Lewiston Water Improvementarea's water at the latest test, from January to June 2026

Under the legal limit of 15 ppb

Water companies that supply Lewiston

3 public water companies list Lewiston as a place they supply. The biggest is Lewiston Water Improvementarea, with about 16,257 people. The highest latest result among Lewiston's water companies is 6 parts per billion, at the Niagara County Water District. None of the 3 with results was above 15 at its latest test. Small ones like Niagara County Water District supply just their own grounds or street; most of Lewiston gets its water from Lewiston Water Improvementarea. Your water bill names yours.

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