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

Is there lead in Groton's tap water?

4.7PPBparts per billion of lead in Groton Water Department's water at the latest test, in 2025

Under the legal limit of 15 ppb

Water companies that supply Groton

4 public water companies list Groton as a place they supply. The biggest is the Groton Water Department, with about 5,017 people. The highest latest result among Groton's water companies is 4.7 parts per billion, at the Groton Water Department. None of the 4 with results was above 15 at its latest test. 3 found too little lead to measure. Small ones like Still Meadow Village Condominiums supply just their own grounds or street; most of Groton gets its water from the Groton Water Department. Your water bill names yours.

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