
Below 15, the level that requires action
4 public water companies list Hampstead as a place they supply. The biggest is Belvedere Plantation, with about 3,462 people. The highest latest result among Hampstead's water companies is 3 parts per billion, at Belvedere Plantation. None of the 4 with results was above 15 at its latest test. 3 found too little lead to measure.