 In 2008, seven dikes are installed within Subdistrict of Penjaringan to protect the area from increasing level of sea tide.The dike consists of Muara Baru dike, Muara Angke dike, Luar Batang dike, Pluit Reservoir, Kapuk Muara dike, Pelindo Harbor dike, and Mutiara Beach dike.The subdistrict of Penjaringan is divided into five "kelurahan" ("administrative villages")