Eligibility Criteria E1 The request has a clear and positive benefit to the requesting country in mitigating, or adapting to the negative effect of, climate change. Yes Application of the gravity-driven membrane (GDM) technology could be an appropriate adaptation measure to supply safe drinking water to rural communities in Cambodia where drinking water scarcity is getting serious due to climate variation and drought. E2 The request is in line with national strategies and plans. Yes The request is in line with national strategies and plans of Cambodia for climate change response, such as the Technology Needs Assessments (Household water treatment and safe storage) and the National Adaptation Programme of Action to Climate Change (Safer water supply for rural communities). E3 The request enhances endogenous capacities. Yes In the request, provision of capacity building workshop is included to support rural Cambodians to properly operate and manage the gravity-driven membrane (GDM) technology at community levels. E4 Processes are placed in the requesting country to monitor and evaluate any support provided. Yes The NDE of Cambodia ensures to work with the CTCN to monitor the technical support provided by indicating this in the Request. Prioritisation Criteria P1 The request is aligned to the CTCN’s existing Programme of Work. Yes The request has proposed to install the gravity-driven membrane (GDM) technology which is eco-friendly and requires extremely low energy consumption to supply safe drinking water to rural Cambodians. P2 The request is aligned to the key themes of the Technology Framework of the Paris Agreement. No Activities and associated outputs in the request could be replicated or scaled up not only in Cambodia but also in other vulnerable countries which have experienced on the same difficulties in providing safe drinking water to rural communities. However, in the request, this is not clearly demonstrated. P3 The request is submitted by LDCs or SIDS or by a country that has not received CTCN technical assistance in the last 5 years, taking into account regional balance. Yes The request would promote collaboration among Ministries and associated stakeholders who engage in improving drinking water quality and supply in rural communities of Cambodia. P4 The request contributes to the CTCN’s portfolio balance between mitigation and adaptation. No The request has not stated further enabling of leveraging of public or private financing. P5 The request has the potential to contribute to systems transformations (nationally, regionally, and/or internationally). Yes The gravity-driven membrane (GDM) technology applies gravity to produce purified drinking water without additional energy consumption, and its installation and operation and maintenance (O&M) are relatively less costly compared to other conventional membrane-based water treatment technologies. The use of the GDM technology is expected to improve safe drinking water supply and hygiene in rural communities of Cambodia. P6 The request is part of multi-country approach to allow regional bundling of requests to promote collaboration among stakeholders, including between countries (South-South, bilateral, or multilateral cooperation). Yes Most households in rural Cambodia boil water as a way of generating drinking water, and women in households have the burden of drinking water generation and collection. In some rural areas, there is gender inequality with regards to travelling for water access in dry season. The application of the gravity-driven membrane (GDM) technology at community levels would make women spend more time to engage in other activities with reduced work time for providing drinking water to their families and societies. Eligibility score 4/4 Prioritisation score 4/6