 The Social Investment Fund (FISDL) plans and builds water supply systems in the 36 poorest municipalities of El Salvador.This is part of a program called Basic Services Network ("Red de Servicios Básicos") which in turn complements the government's Conditional Cash Transfer program "Red Solidaria".The Water and Sanitation Network of El Salvador (RASES) provides a forum for the exchange of experiences in the sector, in particular concerning rural areas.