Delhi’s Sewage system serves a vast urban area comprising multiple drainage zones, numerous pumping stations and several sewage treatment facilities. Rapid population growth and increasing wastewater generation created capacity constraints, operational inefficiencies and risk of environmental non-compliance. The project created a structured framework for immediate improvements and long-term development of the city’s Sewage infrastructure. Comprehensive analysis was carried out for trunk sewers, zonal and terminal pumping stations and treatment facilities to identify bottlenecks and overloaded sections and define augmentation needs. A city-wide Sewage master plan was prepared and aligned with projected population growth and future water supply augmentation.

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