The Water and Sanitation Development Facility (WSDF) approach is a mechanism for funding water and sanitation investments in Small Towns, Town Boards and Rural Growth Centres; the WSDF branches carry out design and construction of water supply and sanitation facilities, including the related software activities. The WSDF is funded under the Joint Partnership Fund (JPF): a basket fund under the Joint Water and Environment Sector Support Programme, which receives funding from various sources and Development Partners, for the purpose of implementing Water & Sanitation interventions in the country.