We all know that water-borne diseases are mostly caused by the contamination of drinking water by faecal matter. Human excreta contains disease causing bacteria along with harmful coliforms and E. coli. It is easy to detect coliforms in water than the actual disease causing bacteria but this method needs an expert and laboratory facilities.
Economic, Ecological and Social Costs of Private Water Supply
Public water supply has failed in many urban areas due to highly consumptive life styles, increasing urbanization, lack of planning, limited freshwater availability, poor infrastructure, inadequate maintenance / monitoring by service providers,
At the household level itself, several chemicals are used which contribute to water pollution. Excessive use of soaps, detergents, shampoos, chemical fertilizers, insecticide etc are causing various problems related to health.