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TRANSFORMING TRANSFORMING TRANSFORMING
SUSTAINABILITY REPORT FY 2023 COMMUNITIES THE PLANET THE WORKPLACE

Water withdrawal and discharge (m )
3
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
the need for active water management is thus Northern Cape, in South Africa, water is
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
National Water Resource Strategy proposes
Produced Water (D) 37,451,655 40,564,901 40,775,601 37,109,961
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Total Water Withdrawn (F=A+B+C+D+E) 216,434,166 217,345,227 220,433,205 212,929,299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 projects – the installation of water recycling
(H=A(i) + B + C(iv) - G) through various innovative measures.
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
manage its wastewater and ensure zero liquid
FY 2023 187.81 77.70 265.51 million m 3 discharge. By adopting this approach of water

29.26% stewardship, HZL is not only securing its own
water supplies and ensuring business
FY 2022 194.44 85.78 280.22 million m 3 continuity, it is also serving as a role model for

30.61% Total Water Consumption both civil society and businesses in the region
on how water can be managed judiciously to
FY 2021 187.35 83.05 270.40 million m 3 create conditions of water security in water

30.71% scarce regions.
FY 2020 177.20 73.90 251.10 million m 3 Furthermore, HZL has set high standards for

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

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