Sustainable Water Resources Management: Groundwater Recharge Potential in the Mesuji-Tulang Bawang River Basin

Surendro Andi Wibowo, Lily Montarcih Limantara, Sri Wahyuni, Tri Budi Prayogo

Abstract

This research aims to analyze groundwater recharge potential in the study area to support sustainable water resource management. This research was conducted in the Mesuji-Tulang Bawang River Basin in the provinces of Lampung and South Sumatera. However, the improvement in data availability will increase the accuracy of sustainable water resource management solutions. The methodology consists of hydrological data analysis and groundwater recharge potential calculation. The calculation used the method devised by IWACO, which has already been proven to be able to calculate the recharge in areas with dense populations. Four main values are considered important in this calculation: rainfall, population density, evapotranspiration, and land use. According to the findings, about 25% of the rainfall serves to replenish the groundwater in the study region. The estimated maximum groundwater recharge is 836 mm/y, which corresponds to the highest rainfall value of 3357 mm/y. Nevertheless, there are other areas with significantly lower groundwater recharge potentials of only 4 mm/y.

 

Keywords: sustainable management, river basin, groundwater.

 

https://doi.org/10.55463/issn.1674-2974.51.6.33


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