
Below 15, the level that requires action
5 public water companies list Spring Green as a place they supply. The biggest is Spring Green Waterworks, with about 1,626 people. The highest latest result among Spring Green's water companies is 3.7 parts per billion, at Spring Green Waterworks. None of the 5 with results was above 15 at its latest test. 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.