STUDY OF HOUSEHOLD DRINKING-WATER DEMAND IN DEPOK, WEST JAVA

• Main Author: Syarifa, Amanda
• Format: Final Project
• Language: Indonesia
• Subjects: Teknik saniter dan perkotaan; teknik perlindungan lingkungan
• Online Access: https://digilib.itb.ac.id/gdl/view/57911
• Institution: Institut Teknologi Bandung

Water is a basic need for human survival. Domestic water demand is observed to increase over time due to population growth – more developed communities and cities are linked with higher water demand. Depok has has the second highest population growth rate in West Java with an economic growth rate of 6.74%. Population growth coupled with economic growth in Depok has the potential to cause an increase in the household drinking water demand. An understanding of household drinking water demand and the factors that influence household water use plays an important role in strategic development of water demand management to ensure sustainable freshwater supplies in the future. This research presents a study that explores household drinking water demand in Depok, West Java, the effect of the characteristics of the residents on water demand and the pattern of household drinking water use. A probability sample with a confidence interval of 95% was established by applying a set of questionnaire to collect data from 423 respondents using simple random method. Calculations showed that the average household drinking water demand in Depok, West Java is 169,65 liters/person/day that apportions the various uses as follows: 29% for bathing, 24% for flushing toilets, 15% for ablution, 4% for washing hands, 1% for drinking, and 27% for shared household activities. A nonparametric analysis using Spearman’s rank correlation test revealed that household drinking-water use of the residents of Depok, West Java is significantly influenced by age, gender, economic class, the tools used to collect water for each household activity, and the presence of outdoor activities.