
Under the legal limit of 15 ppb
3 public water companies list Rotterdam as a place they supply. The biggest is the Rotterdam Water District #5, with about 28,000 people. The highest latest result among Rotterdam's water companies is 2 parts per billion, at the Rotterdam Water District #3. None of the 3 with results was above 15 at its latest test. Small ones like West Hill Water Company Inc. supply just their own grounds or street; most of Rotterdam gets its water from the Rotterdam Water District #5. Your water bill names yours.
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