Is there lead in Northbrook's tap water?
11PPBparts per billion of lead in Northbrook's water at the latest test, from January to June 2026
Just under the legal limit of 15 ppb
Just under the legal limit of 15 ppb
3 public water companies list Northbrook as a place they supply. The biggest is Northbrook's water department, with about 34,200 people. The highest latest result among Northbrook's water companies is 11 parts per billion, at Northbrook's water department. None of the 3 with results was above 15 at its latest test. 1 found too little lead to measure. Small ones like Cambridge Courts MHP supply just their own grounds or street; most of Northbrook gets its water from Northbrook's water department. Your water bill names yours.
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