WITHOUT rain and wind, Pasar Lama Muara Baru, North Jakarta, remains inundated daily from around 6am to 10am. When the weather is sunny, water is ankle-deep. But when it rains with strong wind, the inundation can be 80 centimeters in height, spreading as far as settlements and the northernmost fish port of Nizam Zachman.

Seawater floods in along with the rising tide as the zone in Penjaringan district is almost at the same level as the water of