
Below 15, the level that requires action
3 public water companies list Bigfork as a place they supply. The biggest is Bigfork County Water and Sewer, with about 6,100 people. The highest latest result among Bigfork's water companies is 4 parts per billion, at the Woods Bay Water and Sewer District. None of the 3 with results was above 15 at its latest test. 1 found too little lead to measure.