Does sewage treatment use any harmful chemicals?



  1. 0 Votes

    The goal of sewage treatment is to remove harmful materials. However, in order to keep water sanitary, small levels of harmful chemicals are added to drinking water. Chlorine and Chloramine are added in small amounts to prevent water from becoming infected.

  2. 0 Votes

    Good question, cervantes, and the answer is potentially, yes.  As rjm157 said, chlorine is used in the process of treating sewage.  Though it is generally effective, it has the capability of combining with organic compounds found in the water to create some harmful compounds called disinfection byproducts.  A couple of the most common disinfection byproducts are trihalomethanes and haloacetic acids, and also happen to be carcinogenic.  Don’t worry though, there are regulations in place to prevent these compounds from being a serious problem.

    Hope this helps!

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