No abstract

This research aims to study the acidity or the water’s pH in Bekasi, Bogor, Depok and East Jakarta. The purpose is to determine what kind of factors influence the pH intensity in the above mentioned cities. This research methods are performed by taking water samples in residentials, or industrial areas to be investigated with the pH measuring instruments. This research will analyze any factors that cause changes in water condition of these cities. pH values at residential areas: Bekasi 7.4, Bogor 7.5, Depok 7.7 and East Jakarta 7.8 and and at industrial areas, of the same cities show a remarquable difference such as: Bekasi 8.7, Bogor 8.2, Depok 8.3 and East Jakarta 8.2. These water pH differences are influenced by industries factor, household waste, or the traffic intensity in any of these cities.