ANNUAL REPORT 2025 53 SUSTAINABILITY REPORT WATER AND WASTE MANAGEMENT Water and other natural resources are integral to the value chain activities of HPH Trust. The Trust implements robust water and waste management practices to minimise the negative environmental impact of water discharge and waste generation. It closely monitors its water-related activities, including withdrawal, consumption, and discharge, as well as material sourcing and waste generation. The Trust ensures it thoroughly understands the potential impacts of water- and waste-related risks and opportunities across its value chain and develops mitigation strategies accordingly. Additionally, the Trust is committed to reducing waste generation from its operations and aims to extend the lifecycles of materials as much as possible. Any materials or resources that cannot be repurposed or extended are recycled or properly disposed of by licensed contractors. In 2025, there were no reported cases of non-compliance with laws and regulations concerning water discharge or waste handling. Looking ahead, HPH Trust aims to maintain zero reported cases of non-compliance in the short-, medium-, and long-term. Water Waste Strategy • HPH Trust recognises the importance of managing water quality and efficiency effectively so it closely monitors water consumption and discharge. • The Trust strictly complies with all regulatory laws and guidelines established by local authorities for effluent and water discharge quality. Internal standards and procedures align with these local requirements, including the Water Pollution Control Ordinance (CAP. 358) as specified by the HKSAR Environmental Protection Department and Guangdong Province Discharge Limits of Water Pollutants. • HPH Trust is committed to advancing the transition to a circular economy within the business sector. It has enhanced its waste management system by implementing sorting and classification processes for all waste produced. • The Trust complies with all regulatory laws and guidelines established by local authorities for waste management. Internal standards and procedures align with these local requirements, including the Solid Waste Pollution Prevention and Control Law of the People’s Republic of China and the Pollution Control Standards for Hazardous Waste Storage. Use and associated impacts • Water is primarily utilised in building premises, washrooms, and equipment maintenance areas. • The Trust sources water from municipal supplies, which currently face relatively low water risk. However, the long-term cost may increase due to escalating global water stress. • Maintenance facilities and kitchens generate sewage. • Discharging untreated sewage can contaminate the surrounding environment and result in the Trust having to pay fines for non-compliance. • Recyclable non-hazardous and hazardous materials include rubber tyres, waste oil, scrap metal, wire rope, oil rags, waste wood, and lead acid batteries. • Untreated waste can contribute to environmental pollution and increase the burden on landfill facilities. • Irresponsible or improper waste handling and management may result in the Trust having to pay fines for non-compliance. Corresponding actions • To optimise and reduce water use, the Trust implements various measures, such as regularly performing maintenance checks on water supply pipelines to prevent leaks, as well as reviewing water usage data through the HIT and YANTIAN Environmental Steering Committee to ensure effectiveness of consumption reduction initiatives. • HIT uses underground oil interceptors to collect and separate oil from effluent generated in kitchen and maintenance areas. The separated oil is stored in underground tanks and periodically collected by a licensed contractor. The remaining effluent undergoes further treatment through a Dissolved Air Flotation system before being discharged into the public piping system. • YANTIAN operates seven wastewater treatment stations that apply oil separation, biochemical treatment, sedimentation, and filtration processes to ensure effluent quality meets provincial discharge standards before being released into the public sewer mains. YANTIAN also engages a qualified agency to conduct quarterly testing of wastewater pollutant concentrations to ensure continued compliance. During the year, YANTIAN recycled 2,270 tonnes of treated wastewater for cleaning and irrigation, supporting more efficient use of water resources. • To mitigate environmental pollution and ensure proper handling, HPH Trust engages qualified companies to collect its waste, including chemicals or hazardous materials. • The Trust regularly collects and reviews waste generation data through the HIT and YANTIAN Environmental Steering Committee to ensure effective implementation of waste reduction initiatives. • YANTIAN employs a bundling compressor to reduce the volume of compressible solid hazardous wastes. Additionally, it has standardised waste classification and introduced a dedicated storage area in the terminal for all contractors to minimise hazardous waste. • The Trust strongly encourages recycling. Waste materials, including scrap iron, waste wire rope, rubber tyres, waste plastics, and air filters are sorted and handed to licensed contractors for recycling. Furthermore, voluntary activities like recycling mooncake boxes and red packets raise environmental awareness among staff.
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