Final answer:
The main function of the Western Nepal Rural Drinking Water and Sanitation Project is to provide access to clean drinking water and improved sanitation facilities in rural areas of Western Nepal.
Step-by-step explanation:
The main function of the Western Nepal Rural Drinking Water and Sanitation Project is to provide access to clean drinking water and improved sanitation facilities in rural areas of Western Nepal. The project aims to address the challenges of water scarcity, poor water quality, and inadequate sanitation infrastructure that many people in this region face. By implementing water treatment and distribution facilities, the project aims to improve public health, reduce waterborne diseases, and enhance the overall quality of life for the rural population.