• Practice

  • Target

  • Data

Efficient Utilisation of Water Resources

Based on relevant water resource management policies and regulations such as the Water Law of the People's Republic of China and the Opinions of the State Council on Implementing the Strictest Water Resources Management System, the Group has formulated the Measures for Water Resources Management of BEWG12 to strengthen water resource management and comprehensively improve water resource utilisation efficiency. For water-related projects within the Group, the Group scientifically manages the entire process of water resource development, utilisation, and protection, adhering to the principle of giving equal importance to increasing water sources and reducing consumption, strengthening the conservation, protection, and scientific utilisation of water resources, and striving to build a water-saving water enterprise.

The Group's Sustainability Committee is responsible for establishing, guiding and reviewing the Company’s sustainable development strategies, including water resource management strategy, overseeing the performance of water resource management, and reporting relevant matters to the Board of Directors.

The Group's Chief Executive Officer is responsible for the overall strategy of the Group, including water resource management strategy and performance. This encompasses setting the strategic direction for water resource management issues and reviewing the progress made in achieving production water management targets.

We have established a three-level water resource management mechanism including the Group headquarter, four major business regions, and subsidiary enterprises, and formed a steering group to oversee and promote the implementation of water resource management-related work. The steering group is mainly responsible for formulating the Group's water resource management rules and systems, implementing responsibilities, and supervising execution; working with relevant departments to formulate water intake targets, water consumption targets, and tracking the target progress, formulating annual plans for water resource management actions to achieve targets, and target adjustments and reporting.

Under the premise of ensuring water quality safety and excellence, BEWG strengthens water resource management from the source and actively explores the utilisation of alternative water sources.
 

We promote water conservation programs across the entire Group, covering sewage treatment, water supply, and solid waste businesses and in major office areas. We explore opportunities for water conservation to ensure efficient utilisation of water resources during project operations and daily work.

 
  • We strengthen self-use water management, promoting separate metering of different water use processes in areas such as water treatment plants and office buildings, conducting water quantity analysis, and further controlling self-use water quantities.
  • We continuously optimise production process technologies, upgrade existing technologies, and promote the research, development, and application of new technologies to achieve efficient utilisation of water sources.
  • Strengthen the reuse of water resources in processes, such as optimising the collection of supernatant from reuse water tanks and sludge discharge strategies to improve the collection rates of sludge water and backwash water.
  • We install reclaimed water reuse systems in newly built water treatment plants and encourage the addition of reclaimed water reuse systems in old water treatment plants, stipulating the priority use of reclaimed water in equipment flushing, plant greening, and other processes.
  • We carry out water conservation publicity and education activities in accordance with the Measures for Water Resources Management of BEWG, so as to remind people to save every drop of water and foster a water-saving culture within the Group.

Development of Alternative Water Sources

The Group attaches great importance to the development and utilisation of unconventional water sources. Based on our own business characteristics, we are committed to improving the recycling efficiency of reclaimed water within sewage treatment plants and actively expanding the application of reclaimed water in multiple fields such as industrial production, ecological replenishment, and municipal water use. By exploring and practicing the utilisation of reclaimed water, rainwater, flood water, and seawater, the Group promotes the recycling of reclaimed water resources, increases water supply, alleviates water shortage conflicts, continuously improves the efficiency of internal and external water resource recycling, and forms a sustainable water cycle system.


  • Government-School-Enterprise Collaboration for Water Conservation Education at Luoyang New District Sewage Treatment Plant

    BEWG’s Luoyang New District Sewage Treatment Plant continues to hold the Environmental Open Day event. By means of microscopic examination and on-site water sampling comparisons, it vividly demonstrates the entire process of sewage purification. In 2024, the sewage treatment plant held 12 Environmental Open Days in total, effectively raising the public's awareness of water conservation. Meanwhile, the plant deepened its industry-school collaboration by launching tailored programs such as the “Water Droplet Guardians” and “Sewage Treatment Tutorial” for students of different grades, which advocated water conservation beyond the classroom. Also, by partnering with environmental agencies and colleges, the plant promoted the “Save Every Drop of Water” campaign in neighbourhoods, encouraging residents to develop water-saving habits with case studies and interactive games. Its popular science video “The Journey of Sewage Purification” and more than 20 campus activities have been highly praised, and "The Wonderful Journey of Sewage Turning into Clear Spring" has been awarded one of the Top 10 Public Open Cases in Henan Province. Besides, the plant also organised its staff to volunteer for river patrols and community environmental awareness campaigns, translating environmental protection concepts into practical actions. All these efforts have continuously improved the water quality in the area and enhance public awareness of water conservation.

  • Educational Programs on Water Conservation at BEWG Yinchuan No.1 Reclaimed Water Treatment Plant

    BEWG Yinchuan No.1 Reclaimed Water Treatment Plant integrates the water-saving concept into public education. Adopting the advanced the “AAO + Efficient Sedimentation Tank + V-type Sand Filter” process, the plant ensures effluent meets the stringent quasi-Class IV surface water quality standard. Based on this technology, it has created a composite space combining sewage treatment, popular science education, and interactive experiences, empowering the public to enhance water conservation awareness with active participation. The water treatment plant has developed a Water Conservation Theme Park centred on an integrated "Plant-Park-Museum" design concept. It features multiple age-specific children's activity areas, incorporating elements such as interactive hydraulic installations and non-motorised play facilities. This design caters to children's educational and recreational needs, creating a composite child-friendly space that combines ecological landscaping, popular science education, interactive experiences, and play areas. By virtue of this innovative “Park +” ecological empowerment model, the Water Conservation Theme Park was successfully selected for the list of national best practices for developing child-friendly urban spaces. Beyond that, the plant also holds regular thematic publicity activities such as "Leading the Way for a Beautiful China: Exploring Environmental Facilities" and World Water Day. Through graphic displays, process observation, and interactive Q&A sessions, it vividly illustrates to the public the importance of reclaimed water utilisation and water conservation knowledge. Meanwhile, the plant has established a comprehensive publicity system that includes “exhibition displays + guided tours + themed activities + online outreach”. This approach has significantly heightened public awareness of water conservation and strengthened their willingness to oversight, providing an innovative model for promoting urban green and low - carbon transformation and creating a water-saving society.

  • Water-Saving Practices in Smart Water Supply

    BEWG has built a city-wide, end-to-end smart water-supply chain in Guigang, Guangxi, using a “smart brain” to safeguard the well-being of the entire city. The Guigang Smart Water Project is BEWG’s first full-business demonstration site for smart water services. The project has planned and delivered a comprehensive smart-water platform featuring 23 business systems and 6 application modules, together with a complete set of business, construction, data and O&M standards that serve as a key reference for future smart-water initiatives. Thanks to this smart upgrade, the Guigang water-supply project now saves more than 1.22 million m³ of water annually.
    Drawing on the Guigang experience, BEWG has replicated the model in Nanning (Guangxi), Changle (Shandong), Kaili (Guizhou), Pengzhou (Sichuan) and Binzhou (Shandong). In each city, BEWG has established a full-process water-security system covering raw-water, production, distribution, consumption and conservation. Tailored to local network layouts and water-quality characteristics, the system integrates IoT sensors, satellite-based leak detection, district metering, asset management and pipeline-inspection modules. This enables precise, scientific dispatching and lifecycle management of water-supply operations.
  • Leakage Control of Water Supply Pipeline

    In recent years, BEWG Luoyang has made the reduction of public water supply pipeline leakage a key objective for ensuring urban water security. By adopting the advanced management model of district metering and leveraging modern technology, the company has implemented fine-grained leakage control over the entire public water-supply network. BEWG Luoyang has built a three-tier district-management system that enables real-time monitoring of the pipeline’s operating status. Relying on its smart-water platform to monitor and evaluate district-level leakage, the company quickly detects anomalies, precisely pinpoints leaks, and carries out immediate repairs to stop losses, thus creating a rapid-response, high-efficiency governance mechanism.
    Currently, BEWG Luoyang has established 3 first-level districts, 25 second-level districts, 19 third-level districts, and 302 DMA (District Metering Area) in Luoyang’s central urban area. It has installed more than 600 pressure monitoring points at all levels, 170 noise monitoring points, and 2,661 remote-read meters for major users, enabling real-time monitoring of flow, pressure, and leakage across every district. Through continuous data supervision, analysis, tracking, and remediation, the company has achieved closed-loop management.
  • Reclaimed Water Recycling Practice at the Daoxianghu Reclaimed Water Plant

    The Daoxianghu Reclaimed Water Plant has continuously expanded the reuse pathways of reclaimed water during its operation, enhancing internal reclaimed water utilization and improving water resource efficiency. The plant reuses reclaimed water for various production processes, including grate flushing, membrane tank backwashing, dewatering machine cleaning, and sludge conditioning chemical preparation. Additionally, it is utilized for irrigation in the on-site park, pond replenishment, and toilet flushing in office buildings.
    Statistics show that the plant's average daily internal reclaimed water usage is ​​6,138 tonnes​​, with an ​​internal reclaimed water reuse rate of 3.8%​​.
    To effectively promote the improvement of the Group's water resource utilisation efficiency, we formulate production water management targets* for the water supply and sewage treatment businesses in the Chinese Mainland and monitor the annual progress in achieving the targets.
     
    *Note: As of 2025 Interim Report, the coverage of these targets: the businesses that account for 87% of the profit attributable to shareholders of the Company.
     

    Production Water Management Goals

    • Water supply plants:
              ^ The self-use water ratio for plants that engage in process water reclamation should be ≤ 1%
              ^ The self-use water ratio for plants that do not engage in process water reclamation should be ≤3%
    • Sewage treatment plants:
              ^The proportion of production water* ≤5%
              *Refers to the amount of tap water and reclaimed water used in the production process.

    Achievements of production water management goals in 2024

    • Water supply plants: The self-use water ratio in the Group decreased from 1.40% in 2023 to 1.39% in 2024, marking an 1% year-on-year decrease. All water supply plants achieved the production water management goals.
    • Sewage treatment plants: The proportion of water used in the production of the Group's sewage plant is controlled to 3%.

    Fresh Water Consumption of BEWG in 2024
    Indicator Data Unit
    The Chinese mainland water treatment business 3,711,548 m3
    Overseas water treatment business 743 m3
    Solid waste business 1,146,540 m3
    Office building 45,947 m3
    Total fresh water consumption 4,904,778 m3
    Fresh water density * 2.02 m3/10,000 RMB

    *The intensity of fresh water consumption= the amount of fresh water consumption / the Group's revenue for the year.

    The Consumption and Ratio of Self-use Water by the Water Supply Plants of BEWG in 2024
    Indicator Data Unit
    Self-use water consumption 22,063,448 m3
    Self-use water ratio 1.4 %

    *The national standard Design of Outdoor Water Supply Engineering (GB50013-2018) released by the department of housing and urban-rural development in 2018 states that, the self-use water ratio of water plants can be set at 5%-10% of the design scale.
    The Consumption and Proportion of Reclaimed Water by the Sewage Treatment Plants of BEWG in 2024
    Indicator Data Unit
    Reclaimed water consumption 135,940,317 m3
    Proportion of reclaimed water in production water * 97.34 %

    *The proportion of reclaimed water in production water refers to the percentage of reclaimed water used in the self-consumption water of the sewage treatment plant (including washing, dosing, greening, etc.).

    EN