
Under the legal limit of 15 ppb
2 public water companies list Mount Vernon as a place they supply. The biggest is Mount Vernon's water department, with about 4,575 people. The highest latest result among Mount Vernon's water companies is 5.1 parts per billion, at Jamestowne MHP. None of the 2 with results was above 15 at its latest test. Small ones like Jamestowne MHP supply just their own grounds or street; most of Mount Vernon gets its water from Mount Vernon's water department. Your water bill names yours.
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