Author(s): Rizaldi Maadji; Amirudin Tamoreka; Andi Nur Syamsy Amir

Linked Author(s): Rizaldi Maadji

Keywords: Rtificial springs; Rain harvesting; Mining reclamation

Abstract: The plantation managed by the local Saluan Kintom community in the Banggai Regency is located on hills that rely on natural springs at the bottom of the valley with an elevation above 50 meters. This condition requires high costs to lift and pump the water. This is a common problem in the development of water resources in hilly areas. Topographic limitations such as steep slopes and frequent landslides, prevent the creation of canal networks and make groundwater exploitation impossible. Therefore, increasing water demand can be met to a greater extent through the adoption of rainwater harvesting technology. This technology is recommended for hilly areas where artificial springs are located at higher altitudes than the service area so that water can be channeled through pipes by gravity. Artificial springs are unconventional water sources, carried out by capturing rainfall, which becomes surface runoff that seeps in or fills artificial reservoirs/aquifers. The reservoir in question is an earth excavation that is given a waterproof layer of Polyethylene (PE) and then backfilled. Reservoir conditions mimic the natural conditions of an aquifer, where the bottom and sides are an aquitard layer (impermeable stratum). The dimensions of the reservoir are adjusted to the discharge capacity to be channeled and the reliability of the artificial spring for several months in a row if there is no rain. The construction of this artificial spring reservoir can be applied to reclaim ex-mining land. Apart from being able to be restored, this area can also have artificial springs that can be used as a water source for plantations by Village-Owned Enterprises (Bumdes) or even Regional Drinking Water Companies (PDAM) that provide clean water or drinking water services for the community.

DOI: https://doi.org/10.64697/978-90-835589-7-4_41WC-P1783-cd

Year: 2025