
Under the legal limit of 15 ppb
2 public water companies list Windham as a place they supply. The biggest is the Portland Water District-Greater, with about 135,068 people. The highest latest result among Windham's water companies is 28.9 parts per billion, at 322 Roosevelt Trail. 1 of them was above 15 at their latest test. Small ones like 322 Roosevelt Trail supply just their own grounds or street; most of Windham gets its water from the Portland Water District-Greater. Your water bill names yours.
Next: is my pipe lead? · who pays? · which filter?