In 1990, the national sanitation coverage was only 6% of the population, however it reached 43% in 2010. The drinking water supply coverage was 42% in 1990 and reached 80% in 2010 (Source: Country Paper Nepal, SACOSAN IV, 2011).
Approximately 80% of the communicable diseases in Nepal are due to contaminated water and poor sanitation. (Vision Facts)
In Nepal, 5.6 million people (20 per cent of people) do not yet have access to clean drinking water. In addition to that, one study (Devkota, 2007) indicated that 92 per cent of piped-water supplies and 25 per cent of tube wells are either out of operation or in need of rehabilitation (Source: DWSS, 2010, CBS, 2009 and Nepal MDG Progress Report 2010, Government of Nepal (GoN) and UNDP)
16 million Nepali people (57 per cent) openly defecate every day due to the lack of latrines in their homes (Source: Nepal MDG Progress Report 2010, DWSS 2010, GoN and UNDP and CBS, 2009).
In Nepal, only 41 per cent of public and community schools have latrine facilities. One fourth of them have separate facilities for girls (Source: Nepal MDG Progress Report 2010, GoN and UNDP).
37 per cent (14 million) people wash their hands with water and 12 per cent (3.4 million) with soap during critical times in Nepal (Source: Equity in Health Report, Ministry of Health and Population, 2006).