
Below 15, the level that requires action
3 public water companies list Standish as a place they supply. The biggest is the Portland Water District-Greater, with about 135,068 people. The highest latest result among Standish's water companies is 1.5 parts per billion, at the Portland Water District-Greater. None of the 3 with results was above 15 at its latest test. 2 found too little lead to measure.