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Sewage / Effluent Treatment Plant is a facility designed to receive the waste from domestic, commercial and industrial sources and to remove materials (containing physical, chemical and biological contaminants) that damage water quality and compromise public health and safety when discharged into water receiving systems.
Urban wastewater treatment is a major challenge in India as infrastructural development and regulations have not kept pace with population growth and urbanization. Domestic sewerage treatment in urban areas is very limited, with only 31% of wastewater generated being treated in twenty three metropolitan cities.
