
Below 15, the level that requires action
9 public water companies list Wappinger as a place they supply. The biggest is the United Wappinger Water Improvement District, with about 14,000 people. The highest latest result among Wappinger's water companies is 5 parts per billion, at the United Wappinger Water Improvement District. None of the 9 with results was above 15 at its latest test. 4 found too little lead to measure. 4 are small systems serving fewer than 500 people each, such as a mobile home park, a subdivision or a business with its own well.