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| Advisor(s) | NADA AMIRAH | |
| Author(s) | Basta, Naila Baizura | |
| Issued Date | 2026 | |
| Abstract | Bore well water is one of the primary sources of clean water used by communities to meet their daily needs. However, excessive iron (Fe) content can reduce water quality and potentially cause health problems as well as aesthetic issues. One method that can be used to reduce iron (Fe) levels is filtration using natural media such as coconut shell charcoal, eggshells, and coconut fiber. This study aimed to analyze the reduction of iron (Fe) levels in bore well water before and after filtration using a combination of coconut shell charcoal, eggshells, and coconut fiber filtration media at Jalan Nogio IV, Deli Tua Timur Village, Deli Tua District, Deli Serdang Regency, in 2026. This research employed a quantitative study with a pre-test and post-test design. The study sample consisted of 12 water samples, including 3 pre-test samples and 9 post-test samples, which were divided into three combinations of filtration media with three replications for each treatment. Iron (Fe) levels were measured using a spectrophotometer. Univariate analysis was performed to determine the mean, minimum, maximum, and standard deviation, while bivariate analysis was conducted using the Wilcoxon Signed Rank Test with a significance level of 95% (α = 0.05). The results showed that the mean iron (Fe) concentration before filtration was 2.42107 mg/L. After filtration, the mean iron (Fe) concentration decreased to 1.76506 mg/L (27.10% reduction) using the coconut shell charcoal and coconut fiber combination, 1.03616 mg/L (57.20% reduction) using the coconut shell charcoal and eggshell combination, and 0.95375 mg/L (60.61% reduction) using the eggshell and coconut fiber combination, which met the water quality standard for hygiene and sanitation purposes. The Wilcoxon Signed Rank Test produced a Z value of -2.666 and a p-value of 0.008 (p < 0.05), indicating a statistically significant difference in iron (Fe) levels before and after the filtration process. | 1 |
| Item Type | Skripsi | |
| Keywords | Sumur Bor(Bore well water), Besi(Fe)(Iron (Fe)), Filtrasi(Filtration), Arang Tempurung Kelapa(Coconut shell charcoal), Cangkang Telur(Eggshells), Sabut Kelapa(Coconut fiber) | 1 |
| Collection | Fakultas Kesmas, S1-Kesehatan Masyarakat | |
| Publisher | INSTITUT KESEHATAN DELI HUSADA | |
| Submitted Date | 03-08-2026 | |
| Updated Date | 22-09-2026 | |
| URI | No URI | |
| File |
2212046_NailaBaizuraBasta_Skripsi_S1.pdf
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