Is there lead in Hamilton's tap water?
6PPBparts per billion of lead in Trenton Water Works's water at the latest test, from January to June 2026
Under the legal limit of 15 ppb
Under the legal limit of 15 ppb
4 public water companies list Hamilton as a place they supply. The biggest is Trenton Water Works, with about 217,000 people. The highest latest result among Hamilton's water companies is 6 parts per billion, at Trenton Water Works. None of the 4 with results was above 15 at its latest test. 2 found too little lead to measure. Small ones like Black Horse Manor supply just their own grounds or street; most of Hamilton gets its water from Trenton Water Works. Your water bill names yours.
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