
Below 15, the level that requires action
4 public water companies list Clifton Park as a place they supply. The biggest is the Clifton Park Water Authority, with about 35,000 people. The highest latest result among Clifton Park's water companies is 1.1 parts per billion, at the Charlton Water District (Glenville). None of the 4 with results was above 15 at its latest test.