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

Is there lead in Lemont's tap water?

25PPBparts per billion of lead in Lemont's water at the latest test, from January to June 2026

Over the legal limit of 15 ppb

Water companies that supply Lemont

2 public water companies list Lemont as a place they supply. The biggest is Lemont's water department, with about 18,513 people. The highest latest result among Lemont's water companies is 25 parts per billion, at Lemont's water department. 1 of them was above 15 at their latest test. Small ones like Franciscan Sisters of Chicago supply just their own grounds or street; most of Lemont gets its water from Lemont's water department. Your water bill names yours.

Lemont's water departmentabout 18,513 people · latest lead test: 25 ppb · 630-257-1550
Franciscan Sisters of Chicagoabout 505 people · latest lead test: 7.7 ppb · 630-243-3600

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