
Just under 15, the level that requires action
3 public water companies list Upton as a place they supply. The biggest is Upton Dpw Water/Wastewater Division, with about 4,420 people. The highest latest result among Upton's water companies is 11 parts per billion, at Upton Dpw Water/Wastewater Division. None of the 3 with results was above 15 at its latest test. 1 found too little lead to measure.