4.1 Article

Assessment of rooftop rainwater harvesting in Ajloun, Jordan

期刊

WATER REUSE
卷 12, 期 1, 页码 22-32

出版社

IWA PUBLISHING
DOI: 10.2166/wrd.2021.064

关键词

Ajloun; questionnaire; rainfall data; rooftop rainwater harvesting; RRWH

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In response to water scarcity in Ajloun governorate, Jordan, the study investigated the effectiveness of implementing rooftop rainwater harvesting (RRWH). Findings showed that while only 14.2% of households currently own a RRWH system, a majority of those without expressed interest in installing one. The study recommended government incentives to subsidize the construction of RRWH systems to address the high initial cost barrier.
In response to water scarcity in Ajloun governorate, Jordan, the effectiveness of implementing rooftop rainwater harvesting (RRWH) was investigated. In addition, a structured questionnaire was prepared and distributed to randomly selected residents to assess the status of the current RRWH practices in the governorate and the people's perceptions of this practice. It was found that between 0.39 million cubic meters (MCM) in a dry year (2017) and 0.96 MCM in a wet year (2018) can be harvested, which is equivalent to 7.6% and 16.8% of the domestic water supply for these years, respectively. The analysis of a total of 360 questionnaires revealed that only 14.2% of the households in Ajloun governorate own a RRWH system. However, the majority, 80.6%, of those who do not own a RRWH system showed interest in installing one. An overwhelming majority of the sample, 96.7%, believes that the government should provide incentives to subsidize the construction of RRWH systems, which is attributed to the high initial cost of these systems. The technical and social feasibilities of RRWH, in addition to the high cost of the alternatives, justifies providing incentives, such as cost sharing for the consumers in Ajloun to implement RRWH systems.

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