Delhi’s Indira Gandhi International Airport has become India’s first water-positive airport among facilities handling over 40 million passengers annually. The achievement reflects its large-scale rainwater harvesting, recycling systems, and smart water management.

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• IGI certified India’s first water-positive airport
• Replenishes more water than it consumes
• Recognition given at Water Innovation Summit 2025
• 625 rainwater harvesting structures installed
• Two reservoirs store 9 million litres of water
• 16.6 MLD zero-liquid-discharge STP recycles all wastewater
• Recycled water used for HVAC, gardens and toilets
• Smart systems: automated sprinklers, drip irrigation, monitoring
• Aligns with NITI Aayog–CII water neutrality framework
• Supports IGI’s long-term net-zero and climate-resilience goals