
Below 15, the level that requires action
4 public water companies list Marbletown as a place they supply. The biggest is Lake Mohonk Mountain House, with about 880 people. The highest latest result among Marbletown's water companies is 5.2 parts per billion, at High Ridge Water Company. 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.