The flood, beginning on February 2, 2007 was a result of heavy rain, deforestation in areas south of the city, and waterways clogged with debris.

[4] The most significant reason of the disaster is the high rate of rain, since the rainy season in Indonesia starts in December and ends in March.

[5] Uncontrolled population growth in urban areas, poor land use planning, and the lack of understanding among city residents and government about floods and its disaster risk are key factors in Jakarta's situation.

[6] Eventually, water flowing into Jakarta overflows some of the city's flood control systems and causes devastation in these areas.

[10] The nature of the flood in which it extends from riverbanks to surrounding areas has caused the lower-class communities, many of which live on the riverbanks themselves in wooden houses, to take the strongest impact of the flood.