Chhatrapati Shivaji Maharaj International Airport (CSMIA) has executed various initiatives to align with the Sustainable Development Goals (SDG) through the incorporation of environmental dimensions into every decision-making process. The Mumbai airport has undertaken various initiatives to conserve available water resources, by systematically managing activities and operations to reduce water consumption across the airport terminal.
Under the zero-water discharge policy, CSMIA maintains 100 per cent recycling of treated wastewater for cooling, landscaping, washing etc. Other initiatives have resulted in a reduction of water consumption to about 40 per cent due to various conservation measures, such as rainwater harvesting, drip irrigation, wastewater treatment and recycling, and water efficiency projects, to name a few.
Thereby CSMIA has successfully recycled 281.21 megalitres and 415.46 megalitres of water during FY 2018-19 and FY 2019-20 respectively, which amounts to 20 per cent and 35 per cent of total water consumption during FY 2018-19 and FY 2019-20 respectively. CSMIA has a capacity of 26 Lakh Liters of rainwater tanks and 229 rainwater harvesting pits across the terminals for recharge of the groundwater table to ensure water efficiency. Water consumption value stood at 1,186.12 megalitres and 765.45 megalitres during FY 2019-20 & 2020-21 respectively.
CSMIA has adopted sustainable techniques to manage water to further limit the water footprint and ensure that no water bodies are affected due to operations at the airport. CSMIA strives to minimize fresh water consumption by an increase in operation efficiency, increase in recycling and reusing the wastewater generated throughout the process. The airport's constant endeavours towards conservation and management of water have resulted in a reduction of freshwater consumption supplied by the BMC.
CSMIA has leveraged technological aid and installed Sewage Treatment Plants (STPs) to treat the wastewater generated at the airport premises from various sources such as the terminal buildings, airside, landside and cargo facilities. The resulting treated water is used for alternate functions such as for the restrooms, cleaning or Heating Ventilation and Air Conditioning (HVAC) in terminal buildings to name a few.
CSMIA is the first Indian airport to implement waterless urinals that reduce water wastage; CSMIA has converted approximately 539 urinals across both terminals which have aided the airport in saving up to 1 lakh litres of water per day. This unique water conservation project gained international recognition; CSMIA was honoured with a Silver Award at the esteemed ACI Asia-Pacific Green Airports Recognition 2020 for its sustainable water management approach and sincere commitment to explore and promote opportunities towards environment-friendly practices.
Moreover, CSMIA’s Terminal-2 (T2) was conferred as a ‘PLATINUM rated Green Existing Building Project’ for the period from 2021 to 2024 by the Indian Green Building Council (IGBC). After achieving the last title in the period 2016-2019, CSMIA has continued to consistently demonstrate its commitment to prioritizing and enhancing its green practices in its day-to-day operations for a sustainable tomorrow.
Through continuous efforts and the use of innovative tools to increase efficiency, CSMIA diligently ensures no water bodies are affected due to the airport operations.
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