
Under the legal limit of 15 ppb
2 public water companies list Killingworth as a place they supply. The biggest is Ctwc - Jensens Beechwood, with about 750 people. The highest latest result among Killingworth's water companies is 1.7 parts per billion, at Ctwc - Jensens Beechwood. None of the 2 with results was above 15 at its latest test. Small ones like M&M Realty Holdings LLC supply just their own grounds or street; most of Killingworth gets its water from Ctwc - Jensens Beechwood. Your water bill names yours.
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