The settlement of urban communities in the country. Will develop in the area along the canal by using water, both in the consumer goods, transportation, as well as a source for treatment. In the past. The dirty caused by wastewater has small volume, water resources, can support the wastewater that let down. No spoilage. But when the population is large. The release of waste water into the river. The water then spoilage cannot be used as the original. As is happening in the river several lines in.
People who live in slums often characterized by a lack of basic services such as water and sewerage. Consequently, the urban poor often use inexpensive pit latrines and at the same time may draw domestic water from nearby wells. Overcrowding in slums limits the adequate distance between wells and pit latrines so that micro-organisms migrate from latrines to water sources. Sanitary practices in these overcrowded slums are also poor, leading to contamination of these wells