
Below 15, the level that requires action
5 public water companies list Wisconsin Dells as a place they supply. The biggest is Wisconsin Dells Waterworks, with about 3,232 people. The highest latest result among Wisconsin Dells's water companies is 3.9 parts per billion, at Dells Club Condo Assoc 2. 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.