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Sewage is wastewater that can be hazardous to the environment, which is why we don't want raw sewage to get into the groundwater or other bodies of water. Besides being very smelly, sewage that gets into the drinking water supply, or bodies of fresh water or sea water, can do a great deal of damage to just about every element in the ecosystem.
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The dumping of sewage into rivers and lakes is the second major cause of water pollution in big cities. excreta and cattle dung contain several harmful microbes that can cause disease.sewage is the term used for wastewater that often contains faeces, urine and laundry waste. There are billions of people on Earth, so treating sewage is a big priority. Sewage disposal is a major problem in developing countries as many people in these areas don't have access to sanitary conditions and clean water.
Sewage is a complex mixture of chemicals, with many distinctive chemical characteristics. Sewage can be monitored for both disease-causing and benign organisms with a variety of techniques. Sewage disposal is a major problem in developing countries as many people in these areas don’t have access to sanitary conditions and clean water.Untreated sewage water in such areas can contaminate the environment and cause diseases such as diarrhoea.
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