9.1 Sewerage Sewage, Also Known As “Wastewater”, Is Water-Carried Waste, in Solution Or in Suspension and Intended to Be Removed from the Community
Sub-Regional Plan for Haryana Sub-Region of NCR-2021 Chapter 9 Sewerage, Solid Waste Management, Drainage & Irrigation Chapter 9: SEWERAGE, SOLID WASTE MANAGEMENT, DRAINAGE & IRRIGATION 9.1 Sewerage Sewage, also known as “wastewater”, is water-carried waste, in solution or in suspension and intended to be removed from the community. Sewerage refers to the infrastructure that carries sewage. It encompasses components such as sewers, manholes, pumping station and sewage treatment plants. It is estimated that 80% of water supplied find its way into the sewerage system. With rise in population & depleting water resources, the need for recycling of treated waste water is becoming more important. The treated waste water can be used for irrigation, wash rooms, air-conditioning of large buildings, flushing of toilets, cooling towers, thermal power plants, motor garages for washing of cars, etc. 9.1.1 Existing Situation of Sewerage System: As mentioned in Draft revised Regional Plan of NCR 2021, each participating State with the help of the specialized agencies and experts should prepare detailed and integrated Sewerage Master Plans for each city integrated with Land Use Plan of the city. The Master Plan be for at least 20 year horizon period and must cover the extended boundary of the city as per proposed land use. Plan should address area for onsite sanitation and area for offsite sanitation (sewerage system). It should identify land required for STPs and their locations. The plan should provide rehabilitation of the existing network, STPs and Sewage Pumping Stations; extension of the sewer network, increase in treatment capacity, effluent requirements, disposal system, recycling the treated effluent for irrigation, ‘peri-urban agriculture’, urban agriculture, gardening, flushing of sewers and cooling in industries/hotels etc.
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