
Under the legal limit of 15 ppb
2 public water companies list Niagara Falls as a place they supply. The biggest is the Niagara Falls Water Board, with about 50,193 people. The highest latest result among Niagara Falls's water companies is 5.9 parts per billion, at the Niagara Falls Water Board. None of the 2 with results was above 15 at its latest test. Small ones like Niagara Water Improvement Area supply just their own grounds or street; most of Niagara Falls gets its water from the Niagara Falls Water Board. Your water bill names yours.
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