
Just under 15, the level that requires action
2 public water companies list Sweetgrass as a place they supply. The biggest is the Sweetgrass Water Users Association, with about 100 people. The highest latest result among Sweetgrass's water companies is 15 parts per billion, at the Sweetgrass Water Users Association. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure.