Is there lead in Ledyard's tap water?
1.1PPBLead in Groton Utilities's water at the latest test, in 2026
Below 15, the level that requires action
Below 15, the level that requires action
9 public water companies list Ledyard as a place they supply. The biggest is Groton Utilities, with about 30,200 people. The highest latest result among Ledyard's water companies is 3.5 parts per billion, at Scwa Ledyard Center Division. None of the 9 with results was above 15 at its latest test. 4 found too little lead to measure. 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.