Orano - Annual Activity Report 2025 173 SUSTAINABILITY STATEMENT 4 Environmental information ● in Malvési, a wastewater reuse project is under review. The installation of buffer tanks to increase the storage capacity of reverse osmosis water will make it possible to use more rainwater, 30,000 m3/year based on rainfall of 400 mm/year. The first tank will come into operation in early 2026. Future actions, in order to achieve the 2030 objectives, consist of: ● continuing the actions already undertaken in terms of leak detection and network repair; ● continuing actions around instrumentation, recycling and process optimization to continue on a path of reducing specific consumption in regions with overall water risk; and ● putting in place a “water master plan” at each of the five highconsumption sites to ensure the implementation of the water strategy over time and within the territory of the site concerned. In this context, the objective is to promote 3R projects (reduce, recycle, reuse) depending on the availability and quality of the watershed. This initiative was launched in 2025 and will be finalized in 2026. 2025 IN ACTION Forward-looking approach to water In collaboration with an external organization, a forwardlooking approach called “water shipping” was implemented during 2025. Its objective was to identify the issues impacting the vulnerability of the group’s activities. It proceeded in several phases: ● a cycle of six conferences on the challenges of the water cycle, conflicts of use, the risks of floods and droughts, technological innovations, groundwater, and water preservation through the biomimetic approach; ● participation in a shared working group involving many external stakeholders; ● the organization of an internal working group involving consumer entities. 4.2.2.3 Water Resources Targets As part of its Engagement roadmap and its Nature strategy, Orano has committed to reducing its water consumption by 25% by 2030 in terms of specific consumption compared to 2019 in water risk areas. This voluntary target applies to the entire group. The 53 measures for water from the French Ministry of Ecology, the practical guide on water management by watershed for the mining and metallurgical industries from the ICMM, the water guide of France Chimie and the “Aqueduct Water Risk Atlas” tool from the World Resources Institute (WRI) were used to specify the assumptions and objectives. The objectives set by the group were communicated to the French authorities as part of the development of the economical plan for the nuclear industry as well as to the ICMM. The group has no quantified water quality target. The targets are local at the level of each industrial site and determined by the authorities according to the impact study. The discharge limit values of the substances discharged are defined according to the sensitivity of the receiving environment and the best available technologies by the authorities. The environmental monitoring implemented by the sites concerned makes it possible to verify the absence of significant impact on the ecosystem and the populations. The achievement of the objective is monitored annually by comparing the achievement with the defined target. The frequency may be reduced (monthly) at certain production sites such as Tricastin. 4.2.2.4 Water management results Total water consumption in 2025 was 4.5 million m3, stable compared to 2024, despite higher production. This brings the reduction since 2019 to 47% in consumption and 62% in intensity. Water consumption in 2025 in areas exposed to water risks was 0.8 million m3. Water consumption in areas exposed to high water stress is zero.
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