Water Environment Artificial lakes and deep water Waste water treatment and reuse injection wells ESG REPORT 2022-23 We have built groundwater injection wells Upgrade of STP to Implementation of dual plumbing Wastewater treatment plant at our Bengaluru, Chandigarh, Chennai, Membrane Bio Reactor (MBR) (WTP) and STP retrofits ESG is an opportunity Hyderabad, Jaipur, Mysuru and Pune campuses. Implementation of dual plumbing in identified Injection wells and artificial lakes are useful in Non-MBR Sewage Treatment Plants (STPs) buildings of the Bengaluru and Chennai MCity Retrofitting WTPs and STPs using latest replenishing the groundwater table. were upgraded to MBR technology to improve campuses is in progress to utilize STP treated technologies for efficient and economic ENVIRONMENT treated water quality and utilize treated water water for flushing. operations is an important strategy. We have We have augmented the capacity of the for all recycling purposes. In fiscal 2023, we Location Status ensured that all the treated water is reused Performance on environmental goals following lakes during the year. have upgraded the STP plants in Chennai in our campuses and its quality is monitored Sholingnallur, Nagpur, Pune Phase I locations. Bengaluru B#11, 12 completed regularly to ensure adherence to all applicable Climate change Location Capacity Chennai MCity SDB 2 completed norms. New designs for WTPs ensure they are Water Chennai MCity - 1 750 KL Location Plant capacity MBR Upgrade better optimized for size, treatment technology Chennai MCity - 2 450 KL Chennai Shols 180 KLD Completed Procurement of grey water for and improved treated water quality. Old Waste Bhubaneswar SEZ 5,250 KL Nagpur 200 KLD Completed recycling treatment plants have been retrofitted with Jaipur 400 KL Pune Phase I 250 KLD Completed advanced membrane bio reactor technology SOCIAL Hubballi 75 KLD In Progress The procurement of secondary quality water that gives better treated water quality, through authorized agencies to meet the meeting all wastewater treatment norms. We GOVERNANCE During fiscal 2023, we received confirmation water demand for landscaping helps us reduce ensure that we treat and reuse 100% of the from our overseas locations that the sewage freshwater dependency. We have implemented wastewater generated through our business generated at our offices was disposed in line grey water procurement in Chennai and operations within our campuses for flushing, with the local regulations. Hyderabad. landscaping and cooling tower applications. In fiscal 2023, we recycled and reused upto Location Qty. received in scal 2023 Consequently, freshwater withdrawal has 11,75,764.82 KL of water, which amounts Chennai MCity 4,829 KL reduced drastically. to 70.84% of the total water withdrawal in Hyderabad STPI 18,827 KL India locations. This has enabled reduction in freshwater sourcing to that extent. Smart water irrigation projects 100% Smart irrigation systems have been piloted in our Mysuru and Chennai campuses. Projects in of wastewater generated is treated Gurgaon, Hyderabad (STP) and Bengaluru are under evaluation. Careful planning to ensure and recycled within our campuses lesser grass cover, the use of native species and the continued development of irrigation infrastructure including automated irrigation and drip irrigation have ensured lesser water use. An artificial lake created in Infosys Jaipur The STP in Infosys Chennai - Shols Infosys | ESG REPORT 2022-23 External Document © 2023 Infosys Limited 20