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This study analyses the reuse potential of treated wastewater generated from the Delhi Gate Sewage Treatment Plant (STP), which currently discharges approximately 68 million litres per day (MLD) of effluent. With Delhi facing increasing water stress and growing water demand, the reuse of treated waste water is a sustainable alternative for water management. The Delhi Gate STP employs advanced technologies, which enhances treatment efficiency and ensures that the treated water meets the reuse standards prescribed by the Central Pollution Control Board (CPCB).
The study is based on field visits, sample collection, and laboratory testing of various parameters, followed by graphical analysis. The findings confirm significant treatment efficiency and highlight opportunities for reuse in various applications, including horticulture in nearby green spaces, parks, etc.
Given the volume and quality of the treated wastewater, the Delhi Gate STP holds considerable promise in supporting Delhi’s water needs while reducing the burden on freshwater resources. The study emphasizes integrating treated water reuse into urban planning, aligning with national guidelines and sustainability goals under SDG 6: Clean Water and Sanitation.
Key words: Sewage treatment plant, wastewater technologies, wastewater reuse, water reuse, Delhi Gate Sewage Treatment Plant.
