
Under the legal limit of 15 ppb
3 public water companies list Marshalltown as a place they supply. The biggest is Marshalltown Water Works, with about 27,680 people. The highest latest result among Marshalltown's water companies is 3 parts per billion, at Marshalltown Estates. None of the 3 with results was above 15 at its latest test. 1 found too little lead to measure. Small ones like Marshalltown Estates supply just their own grounds or street; most of Marshalltown gets its water from Marshalltown Water Works. Your water bill names yours.
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