M.M. Hidayat, U. Andawayanti
This research intends to build a performance index model of the simple waterworks system, in Indonesia known as Sistem Penyediaan Air Sedehana (SiPAS). This research used 25 SiPAS located across the Brantas River Area in East Java Province, Indonesia, to build the SiPAS performance index model. The Brantas River Area is vital for East Java Province to supply clean water for all inhabitants dwelling in urban and rural areas. The Brantas River Area is a regional unit of water resources management with an area of 1,410,300 hectares that consists of 220 watersheds, including the Brantas watershed as the most significant watershed, four small watersheds in the northern and the estuary in the Java Sea, and 215 small watersheds in the southern and the estuary in the Indian Ocean. Therefore, this research used the Generalized Reduced Gradient (GRG) method to build the SiPAS performance index model using technical, social, and management variables. The results of this research derived the coefficients of technical, social, and management aspects through GRG data processing are 0.7833, 0.1011, and 0.1156, sequentially. The measurement with the SiPAS performance index model can evaluate performance and serve as a successful parameter in the operation and maintenance of SiPAS to provide clean water. © Published under licence by IOP Publishing Ltd.
Doctoral Program of Water Resources Engineering, Brawijaya University, Malang, Indonesia; Department of Water Resources Engineering, Brawijaya University, Malang, Indonesia
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