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

Is there lead in Grinnell's tap water?

4PPBparts per billion of lead in Grinnell Water Department's water at the latest test, in tests since 2026

Under the legal limit of 15 ppb

Water companies that supply Grinnell

2 public water companies list Grinnell as a place they supply. The biggest is the Grinnell Water Department, with about 9,564 people. The highest latest result among Grinnell's water companies is 4 parts per billion, at the Grinnell Water Department. None of the 2 with results was above 15 at its latest test. Small ones like Grinnell MHP Mhc supply just their own grounds or street; most of Grinnell gets its water from the Grinnell Water Department. Your water bill names yours.

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