TRANSFORMING TRANSFORMING TRANSFORMING SUSTAINABILITY REPORT FY 2023 COMMUNITIES THE PLANET THE WORKPLACE 3 Water withdrawal and discharge (m ) Strategic Water Management: Innovations in Water Conservation and Sustainability Water withdrawal 2020 2021 2022 2023 Surface water (A) 150,631,744 152,751,636 152,411,149 146,449,646 River, lake, pond, etc (i) 150,517,963 152,377,640 152,115,631 145,305,251 Rain Water (ii) 113,781 373,996 295,518 1,144,395 Ground Water (B) 19,201,348 16,554,124 17,432,334 17,174,125 Hindustan Zinc Limited (HZL) Black Mountain Mine (BMM), Third-party Water (C) 9,149,419 7,474,566 9,814,121 12,195,567 Its operations in the water scarce state of South Africa Rajasthan. The problem of water stress, and At Vedanta Zinc International’s operations at STP Treated Water (iii) 7,036,647 7,180,873 9,590,120 8,568,609 Northern Cape, in South Africa, water is the need for active water management is thus Municipal Water/Water through Tanker (iv) 2,112,772 293,693 224,001 3,626,958 more severe. supplied from the Orange River. South Africa’s Produced Water (D) 37,451,655 40,564,901 40,775,601 37,109,961 National Water Resource Strategy proposes HZL has adopted the approach of conserving constructing several dams on the Orange Seawater (E) - - - - fresh water with a strategic focus on the River and this could reduce the supply of water reduction of water drawn at source, through available to our plant. Total Water Withdrawn (F=A+B+C+D+E) 216,434,166 217,345,227 220,433,205 212,929,299 zero liquid discharge (ZLD), effective recycling Discharged Water (G) 8,785,462 4,663,635 6,023,953 20,171,667 and reuse, utilization of alternative sources, To tackle imminent problems, Vedanta Zinc and replenishment of water in watersheds International has identified the following key Total Net Freshwater Consumption 163,046,621 164,561,822 163,748,013 145,934,667 through various innovative measures. projects – the installation of water recycling (H=A(i) + B + C(iv) - G) Initiatives like rainwater harvesting, storing plants at BMM to reduce water usage; and the water during the wet season and utilizing it upgrading of water balances to allow the during the dry season are some of the deployment of an online water management proactive measures underway to reduce system through which water performance can Water consumed and recycled (million m³) overall water withdrawal. be managed. HZL also has a water treatment plant to 3 manage its wastewater and ensure zero liquid 2 0 3 2 187.81 77.70 265.51 million m discharge. By adopting this approach of water FY 29.26% T stewardship, HZL is not only securing its own o 2 tal W water supplies and ensuring business 2 0 3 2 194.44 85.78 280.22 million m at continuity, it is also serving as a role model for FY 30.61% er C both civil society and businesses in the region onsump on how water can be managed judiciously to 21 0 3 2 187.35 83.05 270.40 million m FY 30.71% tion create conditions of water security in water scarce regions. 0 2 0 3 2 177.20 73.90 251.10 million m Furthermore, HZL has set high standards for FY 29.43% itself. It aims to become a five times water-positive company and reduce 25% Fresh Water Consumption Recycled/rused water freshwater consumption by 2025. Water stewardship pledge at Vedanta Zinc International 66