
Below 15, the level that requires action
3 public water companies list Tisbury as a place they supply. The biggest is Tisbury Water Works, with about 6,082 people. The highest latest result among Tisbury's water companies is 7.2 parts per billion, at Tisbury Water Works. None of the 3 with results was above 15 at its latest test. 2 found too little lead to measure.