Compilation of factsheets on water quality in general and description of different HWTS options such as chlorination, colloidal silver filters, biosand filter, chlorination and SODIS.
DWSS (2007): HWTS factsheets. Department of Water Supply and Sewerage (DWSS) Nepal, United States Agency for International Development (USAID), United Nations Human Settlements Programme (UN-HABITAT), United Nations Children's Fund (UNICEF)