El Salvador is a country that throughout its history has been exposed to several threats, particularly hurricanes and earthquakes due to its geographical location. Disasters have been increasing over time due to: 1) the adopted economic model and global economic system that does not guarantee basic human rights for the majority of the population, often forcing populations to occupy unsafe areas for living 2) The mistaken idea of “development” which does not consider the coupling between social and natural systems. Comasagua and Puerto de la Libertad are two municipalities who share a water basin. Comasagua, at a higher altitude, suffers mainly landslides while Puerto de la Libertad suffers frequent floods. Disasters such as hurricane Mitch (1998), Stan (2005) and the two earthquakes in 2001 had devastating effects on this territory and triggered the interest of national and international NGO’s whom have now been working there for eight years. The main objective of this paper is to evaluate the work of NGO’s in the field of risk management in the specific cases of Comasagua and Puerto de la Libertad. This evaluation includes contributions, limitations, lessons and challenges for future work.