During January-February period, there is no inundation or flood in Koja Sub-district because of pump houses run optimally. Water on the road is drained into the sea through Sunter River and Cakung Drain River.

Currently it is still safe since our equipment is in optimal condition

Koja Sub-district Head, Ade Himawan mentioned, Koja Sub-district has five pumps: one pump with capacity 500 liters per second in Kresek River; three pumps with capacity 5,000 liters per second in Rawa Badak Reservoir; two pumps with capacity 2,500 liters per second in Pinang; one pump with capacity 500 liters per second in Sindang, and one pump with capacity 500 liters per second in Melayu Reservoir.

"Currently it is still safe since our equipment is in optimal condition and hopefully there is no tidal floods when the heavy rain falls," he stated, Tuesday (3/4).

In order to prevent inundation, his side also encourages residents to keep the environment clean, especially to ensure water channels are not clogged with garbage.