Identifying of Groundwater Pollution in Lower Code Watershed, Yogyakarta

Abstract

The water source of the people residing in Code Watershed is currently accessed from water wells, which are privately owned by most of the house. The urban area in the watershed is highly populated and its waste is disposed of into the ground, which contaminates groundwater. Therefore, an urban area located in a higher topography poses threats to the groundwater quality downstream. The research found that the groundwater in the lower part of Code Watershed was polluted because it received the waste discharge from the city upstream and, at the same time, had to deal with the existing pollution in it.