
Below 15, the level that requires action
2 public water companies list Waterford as a place they supply. The biggest is Waterford Waterworks, with about 5,368 people. The highest latest result among Waterford's water companies is 3.4 parts per billion, at Waterford Waterworks. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure.