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

Is there lead in Watertown's tap water?

0PPBparts per billion of lead in Waterbury Water Department's water at the latest test, in 2025

Under the legal limit of 15 ppb

Water companies that supply Watertown

4 public water companies list Watertown as a place they supply. The biggest is the Waterbury Water Department, with about 107,271 people. The highest latest result among Watertown's water companies is 2.2 parts per billion, at the Watertown Fire District. None of the 4 with results was above 15 at its latest test. Small ones like Watertown Water & Sewer - Westgate supply just their own grounds or street; most of Watertown gets its water from the Waterbury Water Department. Your water bill names yours.

The Waterbury Water Departmentabout 107,271 people · latest lead test: 0 ppb · 203-574-8251
The Watertown Water & Sewer Authorityabout 9,972 people · latest lead test: 2 ppb · 860-945-5299
The Watertown Fire Districtabout 6,718 people · latest lead test: 2.2 ppb · 860-274-6332
Watertown Water & Sewer - Westgateabout 600 people · latest lead test: 2 ppb · 860-945-5299

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