| Key Aspect | Details |
|---|---|
| Achievement | Delhi's Indira Gandhi International Airport (IGI) declared India's first water-positive airport among facilities handling >40 million passengers annually. |
| Water-Positive Definition | Replenishes more freshwater than consumed via rainwater harvesting, storage, and recycling. |
| Certification | Conferred at Water Innovation Summit 2025 under NITI Aayog-CII water neutrality framework. |
| Infrastructure | - 625 rainwater harvesting structures - Two underground reservoirs (total 9-million-litre capacity) - 16.6 MLD zero-liquid-discharge sewage treatment plant (STP). |
| Water Reuse | Recycled water used for HVAC, landscaping, and toilet flushing; potable water treated separately. |
| Sustainability Goals | Aligns with net-zero airport vision; enhances climate resilience and resource management. |
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