
Below 15, the level that requires action
5 public water companies list Mosinee as a place they supply. The biggest is Mosinee Waterworks, with about 3,406 people. The highest latest result among Mosinee's water companies is 3.5 parts per billion, at Maizefield Mhc (Manufactured Home Community). None of the 5 with results was above 15 at its latest test. 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.