
Below 15, the level that requires action
3 public water companies list Ridgeway as a place they supply. The biggest is the Ridgeway Town Water District, with about 2,600 people. The highest latest result among Ridgeway's water companies is 6 parts per billion, at the Niagara County Water District. None of the 2 with results was above 15 at its latest test. 1 has no lead test results on file.