Waste classification is necessary for effective and cost-effective waste management strategies. It aids in selecting treatment methods, evaluating waste’s positive uses, and the planned and controlled use of natural bodies of w-ater’s waste purification capability. Domestic wastewater characteristics are heavily impacted by people’s lifestyles, social and cultural behaviors, water supply, and consumption. For humans to grow and develop properly, they need a reliable and sufficient water supply. Analyzing raw domestic wastewater is critical for designing an efficient and cost-effective sewage treatment system. The current article provides an overview of residential wastewater, as well as its features, the gap between available water supply and demand widens. Proper sanitation, particularly a decentralized strategy that can be performed through the reuse of household effluent, can solve water supply and wastewater management problems. This paper details the characteristics and treatment of domestic wastewater. Its focus is on the untreated domestic wastewater received by Tigris River.

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