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All Journal Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Jurnal Talenta Sipil
Setiawan, Rizki Bangun
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Assessment of Sadawarna Dam to Support Environmentally Sustainable Development Setiawan, Rizki Bangun; Suharyanto, Suharyanto; Sukamta, Sukamta; Asad, Mohammad Bagus Wiratama
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 10, No 2 (2025): EDISI SEPTEMBER 2025
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v10i2.6999

Abstract

 Sadawarna Dam, one of Indonesia's national strategic projects, located in the Cipunegara River Basin, plays a crucial role in ensuring food security, controlling floods, and providing a raw water supply. Community activities around the reservoir have the potential to degrade water quality, making continuous monitoring necessary. This study evaluates the water quality condition of Sadawarna Dam through analysis of physical, chemical, and biological parameters using the Pollution Index method (Minister of Environment Decree No. 115 of 2003) in the upstream, reservoir, and downstream areas, providing a comprehensive overview of pollution levels and their relevance to environmentally sustainable principles. Measurement results show that, based on Class I Water Quality Standards, the Pollution Index (PI) values range from 3.61 to 5.20. In comparison, based on Class II Standards, the PI values range from 3.54 to 5.11. These values indicate that water quality in the reservoir and downstream areas falls into the "Lightly Polluted" category, while the upstream area is classified as "Moderately Polluted." These findings emphasize the importance of water quality monitoring as a strategic environmental management measure to maintain the sustainability of the reservoir ecosystem and its benefits for the community. Therefore, the solution is to strengthen regular water quality monitoring systems, identify pollution sources, and promote collaborative efforts among the government, communities, and other stakeholders to ensure sustainable and environmentally sound reservoir management.
Penilaian Kinerja Operasi dan Pemeliharaan Menuju Bendungan Serbaguna Wonogiri yang Berkelanjutan Setiawan, Rizki Bangun; Suharyanto, Suharyanto; Sukamta, Sukamta
Jurnal Talenta Sipil Vol 9, No 1 (2026): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v9i1.1168

Abstract

Gajahmungkur also known as the Wonogiri multipurpose dam, is a long-standing dam in Wonogiri Regency, Central Java Province. After nearly five decades of operation, an evaluation of the dam's operational and maintenance performance is necessary to ensure its continued function. This study aims to analyze the actual condition of the Wonogiri multipurpose dam through a condition index assessment method for each dam component based on primary and secondary data. The assessment process is carried out by determining a condition index value that reflects the level of performance and safety of the dam area. The analysis results show that the Wonogiri multipurpose dam obtained a condition index value of 3, which is included in the moderate damage category. This finding indicates the need for maintenance measures to prevent further damage. Based on the results of observations, dense grass growth, sedimentation, and the need for repairs to the hydromechanical equipment were found. This emphasizes the importance of proper evaluation and repair for optimal and sustainable dam operation. The recommendations from this study are expected to guide more effective and efficient dam management in the future.
Co-Authors Asad, Mohammad Bagus Wiratama Suharyanto Sukamta Sukamta