Strategi Optimalisasi Pelayanan Air Bersih Berdasarkan Pertumbuhan Penduduk dan Infrastruktur di Kecamatan Wongsorejo Kabupaten Banyuwangi

Abstract

Wongsorejo District in Banyuwangi Regency faces clean water service challenges due to population growth, limited piped water infrastructure, and uneven water distribution among service areas. These conditions may create an imbalance between clean water demand and water availability, especially in areas with limited PDAM service coverage. This study used a quantitative descriptive method through population projection, clean water demand analysis, water balance analysis, spatial analysis using Geographic Information Systems (GIS), and the Analytical Hierarchy Process (AHP). The results show that the population of Wongsorejo District is projected to increase from 82,575 people in 2024 to 102,487 people in 2044. This growth increases average clean water demand from 28.60 L/s to 34.53 L/s. The water balance analysis before strategy implementation shows that deficit conditions still occur in several service areas, especially Bengkak, Sumberanyar, Sumberkencono, and Alasrejo. The AHP results identify network rehabilitation and distribution efficiency improvement as the main priority strategy, with a weight of 0.5944. The strategy is applied through improving network performance and changing pump maintenance from once every three years to once a year, so that the real production capacity can be maintained at 44.00 L/s. After strategy implementation, the number of deficit areas decreases significantly. During the 2024–2044 projection period, deficit events decrease from 54 village-year events to 5 village-year events. In 2044, the number of deficit villages decreases from three villages to one village, namely Bengkak, with a deficit of -0.327 L/s. The total water balance remains surplus, reaching 15.405 L/s in 2024 and 9.474 L/s in 2044. These findings indicate that network rehabilitation, distribution efficiency improvement, and regular pump maintenance can reduce deficit areas and support the balance between clean water availability and demand in Wongsorejo District.