Question

please can any one give a correct answer to my question

Why is sewage harmful ?how is it treated​

Answer 1

sewage can be harmful is the sewage is not properlly treated like if they are broken it can leak in river to cause death in rivers

Answer 2

The resulting water pollution causes the quality of the water to deteriorate and affects aquatic ecosystems. Pollutants can also seep down and effect groundwater deposits. Sewage and industrial wastes are discharged into the rivers. Because of this, pollutants enter groundwater, rivers, and other water bodies.

Physical, chemical, and biological processes are used to remove contaminants and produce treated wastewater (or treated effluent) that is safe enough for release into the environment