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

Is there lead in Marengo's tap water?

1.2PPBparts per billion of lead in Marengo Water Supply's water at the latest test, from 2021 to 2023

Under the legal limit of 15 ppb

Water companies that supply Marengo

2 public water companies list Marengo as a place they supply. The biggest is Marengo Water Supply, with about 2,435 people. The highest latest result among Marengo's water companies is 8 parts per billion, at Iowa Valley Estates. None of the 2 with results was above 15 at its latest test. Small ones like Iowa Valley Estates supply just their own grounds or street; most of Marengo gets its water from Marengo Water Supply. Your water bill names yours.

Marengo Water Supplyabout 2,435 people · latest lead test: 1.2 ppb · 319-521-7043
Iowa Valley Estatesabout 46 people · latest lead test: 8 ppb · 319-642-5646

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