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

Is there lead in Detroit's tap water?

7.5PPBparts per billion of lead in Detroit's water at the latest test, in 2025

Under the legal limit of 15 ppb

Water companies that supply Detroit

2 public water companies list Detroit as a place they supply. The biggest is Detroit's water department, with about 633,218 people. Small ones like Great Lakes Water Authority supply just their own grounds or street; most of Detroit gets its water from Detroit's water department. 1 has no lead test results on file. Your water bill names yours.

Detroit's water departmentabout 633,218 people · latest lead test: 7.5 ppb · 313-267-1239
The Great Lakes Water Authority810-385-2021

Next: is my pipe lead? · who pays? · which filter?