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Journal : Tomini Journal of Aquatic Science

 1 
Preliminary Study of Surface Water Quality Based on DO and BOD Parameters in Pangandaran Reservoir Wijayanti, Lady Ayu Sri; Khoerunnisa, Nurani; Asri, Helmalia; Veronica, Veronica; Al Iksani, Irna Salwa; Anggraeni, Mella; Pratama, Gilar Budi; Habibie, Sitty Ainsyah
Tomini Journal of Aquatic Science VOLUME 4 ISSUE 1, NOVEMBER 2025
Publisher : Gorontalo State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/tjas.v4i1.33138

Abstract

Pangandaran Reservoir, located in Pangandaran Regency, West Java, serves as a water conservation facility and supports aquaculture activities. Its water quality, particularly in terms of dissolved oxygen (DO) and biochemical oxygen demand (BOD₅), is a key indicator for maintaining the reservoir's ecological and socio-economic functions. This study aims to analyze DO and BOD₅ parameters in Pangandaran Reservoir and evaluate their compliance with applicable water quality standards. Sampling was conducted in May 2025 at four stations representing both the inflow area and the inner reservoir waters. DO levels were measured using the Winkler titration method, while BOD₅ was determined based on the difference in DO concentrations before and after a five-day incubation period. The results showed that water temperatures ranged from 32 to 32.5°C, slightly exceeding the water quality threshold, likely due to high solar radiation and limited vegetation cover. The pH ranged from 7 to 9, which is still within the safe range, with higher pH values observed in the inflow area, influenced by the dominance of limestone (karst) formations in the surrounding Pangandaran region. The highest DO concentration was recorded at Station 4 (4.32 mg. L-1), while the lowest was at Station 2 (3.40 mg. L-1). Conversely, the highest BOD₅ values were found at Station 2 (8.3 mg. L-1) and Station 1 (8 mg. L-1). The spatial distribution pattern indicates a negative relationship between DO and BOD₅, where high organic pollutant loads in the inflow area reduce dissolved oxygen levels. Overall, the water quality of Pangandaran Reservoir falls within Class 2 to Class 4 based on Government Regulation No. 82 of 2001, with signs of declining quality in the inflow area. Therefore, pollution source control and routine monitoring are essential to preserve the aquatic ecosystem of the reservoir.
Co-Authors Abdul Harris Afnesia, Utari Agung Joni Saputra Al Iksani, Irna Salwa Andri Andri Angellia Debora Suryawan, Angellia Debora Anggraeni, Mella Antonius, Cayadi Sidarta Arta Moro Sundjaja, Arta Moro Arum Nadya Octania Asep Ali Thabah, Asep Ali Asri, Helmalia August Halomoan Siregar Aulia Andhikawati Aulia I, Shafira Aurelia, Aurelia Azizah Az'zahra Chandra, Stefani Chatarina Umbul Wahyuni Chiuman, Linda David David Deddy Deddy Denni, Denni Dewi Anggraini Dikjayasa, Parisatria Edhie Budi Setiawan, Edhie Budi Efendi, Ade Irfan Elly Ingkiriwang Ellynia, Ellynia Emma Rochima Eveline, Christina Farid, Muhamad Fifa Argentina Girsang, Ermi Habibie, Sitty Ainsyah Harahap, Sarah Geltri Hardini, Alifia Henny Lestari, Henny Husna, Selma Novaliza Indra, Evta Irenita, Novembriani Irennita, Novembriani Irfan Efendi, Ade Istanto, Freddy H. Jamhari, Syafek Juliater Simamarta JUNIANTO JUNIANTO Keysha Amelia Citra Kho, Ferry Koto, Siti Khadijah Kristina Kristina Kurniabudi, Kurniabudi Laksman, Myrna Lisa Lisa, Lisa Mantiri, Dessy Mega Suryandari Michaela, Janice Aveline Miranda, Airin Mudrik Alaydrus Muhammad Fakhruddin Mulyono , Herry Muryono, Tupan Tri Musthopa, Andrean Alief Nasution, Syafrani Putri Nawangwulan, Wening Nawangwulan, Wening Ramadhani Siti Ng, Martha Nia, Nia Nopriyati, Nopriyati Novi Indah Susanthi, Novi Indah Nurani Khoerunnisa Panjaitan, Denti Masti Prakosa, Dandun Pratama, Gilar Budi Pratiwi, Sekar Widyastuti Puspita, Sunny R, Meiliana Lindawaty Rabecca Christin Chandra Rachmi, Irsafanti Raga, Paulus Rendy Sarudin Rodhiah, Rodhiah Roozana Maria Ritonga Rusmawardiana Rusmawardiana, Rusmawardiana S, Abdullah Ade Suryobuwono Safitri, Tasrika Nur Salikur, Salikur Saputra, Antoni Setiawan, Ferdy Trisanto Setiawan, Ivon Silaban, Herlan Siska Amonalisa Silalahi Sitanggang, Tina Novianti Surja, Stephanie Susan, Y. Syahzuni, Barlia Annis Tianto, Agus Tirtadidjaja, Andari Tirtadijaja, Andari Umaisaroh Umaisaroh Verano, Raka Vincent Vincent, Vincent Wening Ramadhani Siti Nawangwulan Wibawa, Callysta Wijayanti, Lady Ayu Sri Winnie Winnie Wisnu Yuwono Yana Erlyana, Yana Yosi Pahala, Yosi Yulianti Keke Yurrita Mailintina