O’FALLON – Illinois-American Water Company will begin the annual treatment of their water system on September 5, 2017. Illinois-American Water will be temporarily changing the type of disinfectant used in the water as they always do this time of year. Instead of combining the chlorine in the water with ammonia, they will be adding chlorine only. We will be notified when they go back to the normal type of disinfectant in approximately four to five weeks.
The safety of the water will not be affected by this temporary change. Many water plants use chlorine in the free, uncombined form on a regular basis. Illinois-American Water will continue to supply high-quality water that meets the requirements of the Illinois Environmental Protection Agency.