This report examines the evidence to date regarding the scalability of HWTS. It seeks to consolidate existing knowledge and experience and distil the lessons learnt. Its primary aims are to 1) review the development and evolution of leading household water treatment technologies in their efforts to achieve scale, 2) identify the main constraints that they have encountered and 3) recommend ways forward.
CLASEN, T.D. (2009): Scaling Up Household Water Treatment Among Low-Income Populations. (PhD Thesis). Geneva: World Health Organization (WHO) URL [Accessed: 09.04.2010]