<https://sirusa.bps.go.id/sirusa/index.php/indikator/478> accessed 13 August 2019.
![][image1]
Although basic sanitation is available to 79% of the population, sewerage connection is available only to less than 1%.16 It is estimated that 95% of sewage is discharged untreated to the environment.17 Land subsidence is problematic in several major cities in Java and Sumatera, but especially the northern coast of Java which is home to several major cities in Java, including Jakarta.18