<![CDATA[The availability of clean water remains a challenge in various regions, including Gegerung Village, West Lombok Regency, which relies on the Meninting River as its primary source of clean water. The construction of the Meninting Dam has led to increased water turbidity due to construction activities and exposed rock formations for dam infrastructure, necessitating an effective water purification solution to ensure safety and suitability for consumption. This study aims to evaluate the effectiveness of a combination of local filtration media, including ijuk (palm fiber), activated carbon, and zeolite, supplemented with pumice and/or silica sand. The research employs an experimental approach using an up-flow filtration system with three different media configurations. All configurations include ijuk, activated carbon, and zeolite, with variations introduced by adding silica sand, pumice, or both silica sand and pumice. Water samples were tested before and after filtration for turbidity, total suspended solids (TSS), pH, and dissolved oxygen (DO). The findings indicate that pumice is highly effective in reducing turbidity and TSS, achieving reductions of 89.4% and 96.56%, respectively. However, pumice use tends to decrease DO levels by up to 55%, making the filtered water quality suitable only for non-consumptive purposes based on DO standards. These results highlight the need for optimizing the combination of filtration media to maintain overall water quality. Further research is required to refine the filtration system to meet clean water standards]]>
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