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All Journal Jurnal Sains & Teknologi Lingkungan Jurnal Ilmu Alam dan Lingkungan
Rakhman, Selly Arvinda
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Education Environmental Science Immunology & microbiology Veterinary

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Analysis of Water Quality Around the Fishpond Area, Citarum Watersheds, Karawang Regency: english Komarudin, Nurul Amri; Rakhman, Selly Arvinda; Tubal, Jairus Jesse M.
Jurnal Sains & Teknologi Lingkungan Vol. 18 No. 1 (2026): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol18.iss1.art1

Abstract

This research was conducted to provide data on water quality based on physical and chemical parameters around the fishpond area, Citarum Watersheds, in Karawang Regency. Water quality is a primary requirement for the sustainability of local economic activities. However, with the increasing pollution load, there is concern that water quality around the fishpond area will decline, impacting fishpond productivity, public health, and the environment. Water samples were collected at 10 points along the Citarum Watersheds using a water quality test pen. The measured physico-chemical parameters included temperature, Total Suspended Solids (TSS), Total Dissolved Solids (TDS), pH, Dissolved Oxygen (DO), Biological Oxygen Demand (BOD), and Chemical Oxygen Demand (COD). The results indicate that several physico-chemical parameters still do not meet the quality standards established by Government Regulation (PP) Number 22 of 2021. These include BOD and DO, where concentrations at all observation points exceeded the quality standards, while the COD values exceeded the standard at most points, except at stations 1-5. This exception is due to their considerable distance from agricultural activities or other community practices. The high COD concentration indicates a significant load of organic pollutants, which are suspected to originate from agricultural runoff and domestic waste. Conversely, the low DO concentration is caused by microorganisms in the water body utilizing the oxygen. These microorganisms require DO as an electron acceptor in their metabolic processes, leading to a decrease in DO levels in the water and a corresponding increase in BOD. The BOD/COD ratio at the study site ranged from 0.46 to 0.5, meaning the pollutants are categorized as biodegradable. Therefore, it can be concluded that the waters in the downstream region of the Citarum River are still suitable for use in freshwater aquaculture activities.
Analisis Kualitas Air berdasarkan Parameter Fisika dan Kimia di Sekitar Areal Tambak, Daerah Aliran Sungai Citarum, Kabupaten Karawang Rakhman, Selly Arvinda; Komarudin, Nurul Amri; Tubal, Jairus Jesse M.
Jurnal Ilmu Alam dan Lingkungan Vol. 17 No. 1 (2026): Jurnal Ilmu Alam dan Lingkungan
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70561/jal.v17i1.50598

Abstract

Penelitian ini bertujuan untuk menginformasikan data terkait kualitas air berdasarkan parameter fisik-kimia pada areal tambak di daerah hilir Daerah Aliran Sungai Citarum, Kabupaten Karawang. Sampel air diambil di sepuluh titik sepanjang Daerah Aliran Sungai Citarum dengan menggunakan water quality test pen. Parameter fisik-kimia yang diukur antara lain suhu, Total Suspended Solid (TSS), Total Dissolved Solid (TDS), power of Hydrogen (pH), Dissolved Oxygen (DO), Biological Oxygen Demand (BOD) dan Chemical Oxygen Demand (COD). Hasil menunjukkan bahwa beberapa parameter fisik-kimia masih belum memenuhi baku mutu yang ditetapkan oleh Peraturan Pemerintah (PP) Nomor 22 Tahun 2021, diantaranya BOD, dan DO di seluruh titik pengamatan menunjukkan konsentrasi yang melampaui baku mutu, sementara nilai COD melebihi baku mutu pada sebagian besar titik, kecuali di titik stasiun 1–5, karena jaraknya cukup jauh dari aktivitas pertanian atau kegiatan masyarakat lainnya. Tingginya konsentrasi COD mengindikasikan adanya beban pencemar organik yang signifikan, diduga berasal dari limpasan pertanian dan limbah domestik, sedangkan rendahnya konsentrasi DO disebabkan oleh terutilisasinya BOD oleh mikroorganisme yang hidup di badan air. DO dibutuhkan sebagai elektron akseptor dalam proses metabolismenya, sehingga DO dalam badan air berkurang sedangkan BOD meningkat. Rasio BOD/COD di lokasi penelitian berada dalam kisaran 0.46–0.50, artinya termasuk dalam kategori biodegradable. Kondisi ini menunjukkan bahwa perairan di daerah hilir Sungai Citarum masih memungkinkan untuk digunakan dalam kegiatan budidaya air tawar.
Co-Authors Komarudin, Nurul Amri Tubal, Jairus Jesse M.