
Below 15, the level that requires action
2 public water companies list Clewiston as a place they supply. The biggest is Clewiston's water department, with about 9,643 people. The highest latest result among Clewiston's water companies is 0.3 parts per billion, at Clewiston's water department. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure.