Universitas Indonesia Conferences, International Conference on Environmental Science and Sustainable Development 2019

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Groundwater catchment area for households in Bukit Raya Subdistrict, Pekanbaru, Indonesia
FAKHRI RAFI, Mahawan Karuniasa, Abdurrachman Asseggaf

Last modified: 2019-10-08

Abstract


Clean water demand increase along with population growth and urban development. People switching from surface water to protected and deep groundwater wells. The large amount of groundwater use makes the groundwater level decrease. Pekanbaru is one of the cities with rapid urban development and population growth, especially in the Bukit Raya subdistrict. The existence of government agencies, public facilities, industries and the increasingly rapid construction of settlements that use groundwater. This study identified the catchment area of groundwater and groundwater used by households and evaluating groundwater balance in 2013 to 2017 then projecting until 2022 using the water balance method according to the Thornthwaite & Mather method and the Ffolliot method. Result of this study showed that every year value of calculation of the water balance did not deficit until 2022. Based on our findings, households and the government need to maintain the quantity of water in the groundwater catchment area by providing additional water supply systems.


Keywords


Water balance; groundwater catchment area; households demand