
Below 15, the level that requires action
4 public water companies list Coeymans as a place they supply. The biggest is Rolling Hills MHP, with about 444 people. The highest latest result among Coeymans's water companies is 3.5 parts per billion, at Pine Ridge Estates. None of the 4 with results was above 15 at its latest test. 3 are small systems serving fewer than 500 people each, such as a mobile home park, a subdivision or a business with its own well.