
Under the legal limit of 15 ppb
3 public water companies list Derby as a place they supply. The biggest is Derby Center Water, with about 1,400 people. The highest latest result among Derby's water companies is 2 parts per billion, at Derby Center Water. None of the 3 with results was above 15 at its latest test. Small ones like Shattuck Hill MHP supply just their own grounds or street; most of Derby gets its water from Derby Center Water. Your water bill names yours.
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