Abstract

This study of supply and demand of water in Surabaya City evaluates the equilibrium of domestic and non-domestic water demand with the existing supply so that the source flow rate can be prepared for the demand in the following 20 years. PDAM Surabaya has reached water service area of 96.67% and will increase to 100 percent in the following year as targeted by the Central Government. The method used was water balance of PDAM Surabaya planned for every five years until 2039. The result of this study showed the potential of raw water from Umbulan with 1,000 L/s and from Kali Brantas with 1,000 L/s. Projection for water demand for the first water balance in year 2024 resulted 15,037 L/s and there was a deficit of 3,062 L/s. The result of water balance in 2019-2039 showed that the supply would not fulfil the water demand.

Original languageEnglish
Article number012028
JournalIOP Conference Series: Earth and Environmental Science
Volume506
Issue number1
DOIs
Publication statusPublished - 10 Jun 2020
EventJoint International Conference on Civil, Environmental, and Geo Engineering 2019, JIC-CEGE 2019 - Surabaya, Indonesia
Duration: 1 Oct 20192 Oct 2019

Keywords

  • raw water potential
  • supply and demand
  • water balance
  • water demand

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