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

Is there lead in Mendham's tap water?

3PPBparts per billion of lead in Nj American Water - Short Hills's water at the latest test, in tests since 2026

Under the legal limit of 15 ppb

Water companies that supply Mendham

2 public water companies list Mendham as a place they supply. The biggest is Nj American Water - Short Hills, with about 217,230 people. The highest latest result among Mendham's water companies is 3 parts per billion, at Nj American Water - Short Hills. None of the 2 with results was above 15 at its latest test. Small ones like Southeast Morris County MUA supply just their own grounds or street; most of Mendham gets its water from Nj American Water - Short Hills. Your water bill names yours.

Nj American Water - Short Hillsabout 217,230 people · latest lead test: 3 ppb · 973-564-5727
Southeast Morris County MUAabout 62,349 people · latest lead test: 1.1 ppb · 973-476-4341

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