
Too little lead to measure
8 public water companies list Ridgefield as a place they supply. The biggest is Aquarion-Eastern Fairfield County, with about 351,756 people. The highest latest result among Ridgefield's water companies is 5 parts per billion, at Aquarion-Mckeon. None of the 8 with results was above 15 at its latest test. 3 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.