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

Is there lead in Ayer's tap water?

1.2PPBparts per billion of lead in Ayer Dpw Water Division's water at the latest test, in tests since 2026

Under the legal limit of 15 ppb

Water companies that supply Ayer

2 public water companies list Ayer as a place they supply. The biggest is Ayer Dpw Water Division, with about 8,479 people. The highest latest result among Ayer's water companies is 1.2 parts per billion, at Ayer Dpw Water Division. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure. Small ones like Devens Massdevelopment supply just their own grounds or street; most of Ayer gets its water from Ayer Dpw Water Division. Your water bill names yours.

Ayer Dpw Water Divisionabout 8,479 people · latest lead test: 1.2 ppb · 978-772-8240
Devens Massdevelopmentabout 6,500 people · latest lead test: none found · 978-784-2931

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