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All Journal International Journal of Science and Society (IJSOC)
Ummi Rosyidah
Universitas Hasanuddin, Makassar, Indonesia
Materials Science & Nanotechnology Social Sciences

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Impact Analysis of Integrated Waste Management Program on Reducing Sedimentation of Saguling Reservoir by PT. PLN Indonesia Power UBP Saguling Ummi Rosyidah; Sofiyah; Dhimas Raihan; Taufan Kurniawan
International Journal of Science and Society Vol 6 No 3 (2024): International Journal of Science and Society (IJSOC)
Publisher : GoAcademica Research & Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/ijsoc.v6i3.1256

Abstract

Saguling Reservoir, located in West Bandung Regency, West Java Province, is one of the assets for energy sources for hydroelectric power generators (PLTA). The sustainability of the reservoir is one of the important aspects that needs to be considered to maintain its role and benefits. Sedimentation is a crucial issue in determining the sustainability of a reservoir. Increased waste production in the Bandung Raya area is one of the contributing materials to sedimentation if left uncontrolled. PT. PLN Indonesia Power UBP Saguling initiated an integrated waste management program, addressing waste from upstream areas to those that flow into the Saguling reservoir, as part of their efforts in supporting reservoir conservation. This study aims to determine the impact of implementing an integrated waste management, a community empowerment program, on reducing sedimentation. The secondary data analysis was utilized in the current research. The decrease in reservoir sedimentation was analyzed using data on the amount of waste absorption managed by community groups fostered by PT. PLN Indonesia Power UBP Saguling. The integrated waste management program reviewed from 2020 to 2024 was able to reduce sedimentation by 5,843 m3 with a percentage of sedimentation reduction of 0.36%.
From Reservoir Weeds to Economic Value: Utilizing Water Hyacinth as a Growing Medium for Straw Mushroom Cultivation in a Circular Economy Program of PT PLN Indonesia Power UBP Saguling Ummi Rosyidah; Hanifah Rahmah; Sofiyah; Taufan Kurniawan; Wildan Haris Mustofa; Tatang
International Journal of Science and Society Vol 8 No 4 (2026): International Journal of Science and Society (IJSOC)
Publisher : GoAcademica Research & Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/ijsoc.v8i4.1756

Abstract

The Saguling Gerbang Lestari is a program initiated by PT PLN Indonesia Power UBP (Power Generation Business Unit) Saguling in 2024 to utilize water hyacinth from the Saguling Reservoir as raw material for a growing medium or baglog used in straw mushroom cultivation. This program aims to reduce the population of the invasive water hyacinth while increasing the value of waste through productive economic activities carried out by the community. Program implementation involved mentoring one community group responsible for managing 16 mushroom cultivation houses. Based on satellite imagery, the Saguling Gerbang Lestari Program significantly reduced the area of water hyacinth coverage in the Saguling Reservoir between 2024 and 2026, from 435 ha in 2024 to 428.5 ha in 2025, down to 282 ha in 2026. As a result, the amount of water hyacinth successfully processed into baglogs reached 144,000 kg in 2024, 230,000 kg in 2025, and 208,000 kg by mid-2026. The use of these baglogs yielded straw mushroom production of 5,586 kg with a net profit of Rp143,580,000 in 2024, rising to 13,328 kg and Rp375,840,000 in 2025, and reaching 11,056 kg with a profit of Rp315,680,000 by mid-2026. These results indicate that the use of water hyacinth as a straw mushroom growing medium can serve as one approach to controlling invasive plants while also providing economic benefits to the community. The Saguling Gerbang Lestari program has the potential to support the implementation of a circular economy by transforming waste into products that are both useful and possess economic value.
Co-Authors Dhimas Raihan Hanifah Rahmah Sofiyah Sofiyah Tatang Taufan Kurniawan Taufan Kurniawan Wildan Haris Mustofa