 Penjaringan Subdistrict is crisscrossed with water draining channels, canals, and water reservoirs to protect the land from sea flooding.The Cengkareng Drain, part of Jakarta's flood control system, flows to the sea through this subdistrict.The area of Penjaringan Subdistrict, especially within Penjaringan Administrative Village, contains several historic Dutch colonial buildings such as the remains of city wall of Batavia and the 17th-century warehouses (now a Maritime Museum).