See 2013 Jakarta Flood In May 2011, the Jakarta Environmental Management Agency categorized all rivers in Jakarta as polluted; 71% of them were heavily polluted, 20% were partly polluted and 9% were lightly polluted.
Pada Mei 2011, Badan Pengelolaan Lingkungan Hidup Jakarta mengkategorikan semua sungai di Jakarta tercemar; 71% sungai tercemar berat, 20% sebagian tercemar dan 9% tercemar ringan.