MAHINDRA & MAHINDRA LTD. Business Responsibility and Sustainability Report 247 4. Provide the following details related to water discharged [GRI 303-4]: Parameter Please specify unit FY25 FY24 Water discharge by destination and level of treatment (in kilolitres) (i) To Surface water Kilolitres – – – No treatment Kilolitres – – – With treatment - please specify level of treatment Kilolitres – – (ii) To Groundwater Kilolitres – – – No treatment Kilolitres – – – With treatment - please specify level of treatment Kilolitres – – (iii) To Seawater Kilolitres – – – No treatment Kilolitres – – – With treatment - please specify level of treatment Kilolitres – – (iv) Sent to third-parties Kilolitres 30,248 31,728 – No treatment Kilolitres – – – With treatment - please specify level of treatment (Tertiary Treatment, through effluent treatment plant) Kilolitres 30,248 31,728 (v) Others Kilolitres – – – No treatment Kilolitres – – – With treatment - please specify level of treatment Kilolitres – – Total water discharged (in kilolitres) Kilolitres 30,248 31,728 Note: During the year 9,88,292 KL Water Treated & Reused in Process Note: Indicate if any independent assessment/ evaluation/assurance has been carried out by an external agency? (Y/N) If yes, name of the external agency. Yes, DNV Business Assurance India Private Limited 5. Has the entity implemented a mechanism for Zero Liquid Discharge? If yes, details of its coverage and implementation. [GRI 303-1, GRI 303-2] • Yes, Zero Liquid Discharge (ZLD) is one of the main focus areas among all environment related initiatives. No water goes out from the Company’s site boundary untreated except rainwater through dedicated storm water drains. Hence, the process required under ZLD is completed where water is recovered and recycled in the manufacturing process, leaving behind only solid residues that are managed and disposed of safely. All the manufacturing plants of the Company are ZLD certified, except one. • Most of the plants are having rainwater recharging pits for injecting rainwater to deep aquifers. • Though the Company relies more heavily on freshwater, recycled water is, and will continue to be, important for the Company to secure enough water to manufacture vehicles and parts. The Company recycle 39% of fresh water through wastewater recycling plants. • Domestic wastewater is recycled through STP (Sewage Treatment Plant) and process wastewater through ETP (Effluent Treatment Plant). Each STP and ETP has got 3 levels of treatment i.e., Primary, Secondary, and Tertiary, followed by advance treatment procedures like Reverse Osmosis (RO). • Treated water is recycled for process and cooling requirement.
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