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All Journal Jurnal Tekno Jurnal Teknologi Lingkungan Lahan Basah
Febby Ekamukti Andini, Febby Ekamukti
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Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Public Health

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Studi Kelayakan Pemanfaatan Air Tanah untuk Air Bersih Berdasarkan Parameter KMnO₄ di Wilayah Gambut dan Pesisir Kabupaten Kubu Raya Andini, Febby Ekamukti; Jumiati, Jumiati; Palureng, Rurika Widya Ningrum
Jurnal Tekno Vol. 22 No. 2 (2025): JURNAL TEKNO
Publisher : Direktorat Riset dan Pengabdian pada Masyarakat Universitas Bina Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33557/b44wnb28

Abstract

Groundwater constitutes the source of potable water for communities in regions lacking access to piped water services, a category that includes Kubu Raya Regency, which is characterized by a peat and coastal ecosystem. The objective of this study is to analyze the suitability of groundwater as a source of clean water based on its organic matter content (KMnO₄). Samples were collected from 17 points, including dug wells (representing shallow groundwater) and bore wells (representing deep groundwater), employing the purposive sampling method. Laboratory analysis employed the permanganometry method in accordance with SNI 06-6989.22-2004. The findings indicated that the KMnO₄ content in peatlands was significantly higher than in coastal regions, with maximum concentrations exceeding 200 mg/L in dug wells in Rasau Jaya 2, Parit H. Muksin, and Kuala Dua. In coastal regions, the levels of KMnO₄ were predominantly below 50 milligrams per liter (mg/L). The analysis revealed that all samples exhibited levels of TDS that were below the permissible limit as stipulated in Permenkes No. 32 of 2017, which stipulates a maximum limit of 10 mg/L for KMnO₄. The values of KMnO₄ demonstrated a positive correlation with the intensity of water color and a negative correlation with increasing well depth. This condition is indicative of the profound impact of organic matter resulting from vegetation decomposition in peatlands and natural filtration processes in the deep soil layer. The analysis indicates that groundwater in both areas is not suitable for direct use without treatment. To ensure safe and sustainable clean water, oxidation, coagulation-flocculation, and multiple-layered filtration processes tailored to local characteristics are required.
Analisis Environmental Criticality Index (ECI) di Kawasan Kota Pontianak dengan Pendekatan Google Earth Engine Mengunakan Citra Multi-Temporal Landsat 9 OLI-2 Calibrated TOA Rangga, Boy; Palureng, Rurika Widya Ningrum; Andini, Febby Ekamukti
Jurnal Teknologi Lingkungan Lahan Basah Vol 13, No 1 (2025): Januari 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v13i1.92375

Abstract

Pontianak City, a trade and services center in West Kalimantan, faces environmental challenges due to rapid urbanization. In particular, the land use transition from green to building leads to impervious surface expansion with less vegetation and increasing heat on the land surface. In this work, changes contributing to environmental disruptions were thoroughly investigated by Land Surface Temperature (LST), Normalized Difference Vegetation Index (NDVI), Normalized Difference Built-up Index (NDBI), and Normalized Difference Water Index (NDWI). The indicators were collected for Environmental Critically Index (ECI) analysis using Google Earth Engine with Landsat 9 OLI-2 TOA imagery. About 91.8% of the total area, especially in densely populated areas, is within a critical level of environmental vulnerability, with 50.63% moderately vulnerable and 41.17% high vulnerability. Urban Heat Island (UHI), flooding, and poor air quality are potential consequences of this case if not properly solved. This work suggests several mitigation efforts, including Green Infrastructure Building implementation, spatial planning regulations oriented with environmental carrying capacity, and a real-time monitoring system that supports the adaptive cities to the ECI index. Thus, this research is on a scientific basis in designing sustainable development policies in tropical regions that are often environmentally affected by urban sprawl.
Co-Authors Boy Rangga, Boy Jumiati Jumiati Palureng, Rurika Widya Ningrum