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Evaluating Physical and Fiscal Water Leakage in Water Distribution System
Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam. Department of Civil Engineering, Institute of Technology, Ambo University, Ambo, Ethiopia.
Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam. Department of Civil Engineering, Institute of Technology, Ambo University, Ambo, Ethiopia.
Department of Civil Engineering, Institute of Technology, Ambo University, Ambo, Ethiopia.
Department of Civil Engineering, Institute of Technology, Ambo University, Ambo, Ethiopia.
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2019 (English)In: Water, ISSN 2073-4441, E-ISSN 2073-4441, Vol. 11, no 10, article id 2091Article in journal (Refereed) Published
Abstract [en]

With increasing population, the need for research ideas on the field of reducing wastage of water can save a big amount of water, money, time, and energy. Water leakage (WL) is an essential problem in the field of water supply field. This research is focused on real water loss in the water distribution system located in Ethiopia. Top-down and bursts and background estimates (BABE) methodology is performed to assess the data and the calibration process of the WL variables. The top-down method assists to quantify the water loss by the record and observation throughout the distribution network. In addition, the BABE approach gives a specific water leakage and burst information. The geometrical mean method is used to forecast the population up to 2023 along with their fiscal value by the uniform tariff method. With respect to the revenue lost, 42575 Br and 42664 Br or in 1562$ and 1566$ were lost in 2017 and 2018, respectively. The next five-year population was forecasted to estimate the possible amount of water to be saved, which was about 549,627 m3 and revenue 65,111$ to make the system more efficient. The results suggested that the majority of losses were due to several components of the distribution system including pipe-joint failure, relatively older age pipes, poor repairing and maintenance of water taps, pipe joints and shower taps, negligence of the consumer and unreliable water supply. As per the research findings, recommendations were proposed on minimizing water leakage.

Place, publisher, year, edition, pages
Switzerland: MDPI, 2019. Vol. 11, no 10, article id 2091
Keywords [en]
water leakage, non-revenue water, bottom-up, top-down approach, bursts and background estimates, Ethiopia
National Category
Engineering and Technology Geotechnical Engineering
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-76287DOI: 10.3390/w11102091Scopus ID: 2-s2.0-85073235671OAI: oai:DiVA.org:ltu-76287DiVA, id: diva2:1358697
Note

Validerad;2019;Nivå 2;2019-10-15 (johcin)

Available from: 2019-10-08 Created: 2019-10-08 Last updated: 2019-10-21Bibliographically approved

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