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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Civil and Sustainable Urban Engineering Journal Research of Social Science, Economics, and Management
Wahyuningsih, Ni Putu Sri
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Transportation

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Sustainable Water Management Strategies for Mitigating Pesticide Pollution in Urban and Agricultural Areas Primus, Audrey; Siganul, Aimie Peace; Emalya, Nikita; Yusnar, Cut; Wijayanti, Yureana; Rubiyatno; Permana, Rega; Park, Sang Hyeok; Thakali, Ocean; Aina, Corry; Wahyuningsih, Ni Putu Sri; Commey, Nii Amarquaye
Civil and Sustainable Urban Engineering Volume 5 - Issue 1 - 2025
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v5i1.629

Abstract

The indiscriminate use of pesticides in Malaysian agriculture poses serious risks to both human health and groundwater quality.This study aims to evaluate the extent of pesticide contamination in Malaysian groundwater, identify its major sources, and examine current mitigation efforts. The primary routes of contamination include direct application, soil leaching, and surface runoff, with over twenty pesticide compounds listed as priority hazardous substances, commonly linked to oil palm, rice, and vegetable farming. Residential and industrial activities also contribute to the pollutant load. Due to their long environmental persistence, pesticides threaten aquatic ecosystems through bioaccumulation and biomagnification and increase the risk of severe health issues, including neurological disorders, reproductive problems, and cancer. Regulatory controls such as exposure limits and monitoring programs have been implemented to manage these risks. This review concludes that while regulatory mechanisms exist, more robust and proactive approaches are needed to mitigate groundwater contamination. Future efforts should focus on expanding the adoption of sustainable farming practices, strengthening groundwater monitoring, and enhancing regulatory enforcement to ensure long-term environmental and public health protection.
Evaluating Household Solid Waste Sampling: Is an Eight-Day Consecutive Method Necessary? A Preliminary Study Pratama, Mochamad Adhiraga; Wahyuningsih, Ni Putu Sri; Putri, Naila Syafiya
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.497-509

Abstract

Household solid waste sampling is a critical part of solid waste management planning, as the results determine the design of the required infrastructure. However, the method suggested by the Indonesian national standard requires time and high costs, as it must be carried out for eight consecutive days. Hence, it is necessary to evaluate this requirement and design a more efficient sampling design without compromising the results. The study conducted solid waste sampling for 16 consecutive days from 31 middle-income households in Jakarta, the Capital City of Indonesia, resulting in a pool of 16 consecutive daily averages of solid waste generation per capita data. From this pool, we generated: (1) solid waste generation per capita from eight consecutive days, (2) six consecutive days, (3) four consecutive days, and (4) eight non-consecutive days data. The results showed that the average of solid waste generation per capita for datasets (1), (2), (3), and (4) are 0.505 (± 0.022) kg/day/cap, 0.495 (± 0.044) kg/day/cap, 0.501 (± 0.035) kg/day/cap, and 0.492 (± 0.02) kg/day/cap consecutively, indicating the same estimates of solid waste generation per capita can be achieved by four scenarios.
Improving The Efficiency of Ups Performance in Depok City Lokahita, Baskoro; Effendi, Aisyia Prasetya; Firdaus, Hana Syarifah; Wahyuningsih, Ni Putu Sri
Journal Research of Social Science, Economics, and Management Vol. 4 No. 11 (2025): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v4i11.869

Abstract

The problem of waste in urban areas such as Depok City requires effective and efficient management solutions to reduce the burden on the final processing site (TPA). The Waste Management Unit (UPS) is one of the strategies of the Depok City Government in handling region-based domestic waste. This study aims to evaluate the technical performance of UPS operating in several locations in Depok City, as well as identify potential for improvement in processing efficiency. The mixed-methods approach is used through the collection of primary and secondary data. Quantitatively, load count analysis and daily mass balance were carried out to analyze the flow of material from input to compost output. Qualitatively, direct observation, semi-structural interviews, and work system studies were carried out. Case studies on three UPS (Jalan Jawa, Sukatani, and Merdeka 1) showed that the proportion of organic waste dominated (more than 94%) with a decrease in mass of up to 74% after the composting process. Nevertheless, the efficiency of the process varies depending on the sorting mechanism, available equipment, and human resource capacity. The results of the analysis show that UPS's performance has not been fully optimal in reducing the burden of waste to the landfill. This study recommends improving operational management, strengthening institutions, and integrating community roles to achieve a sustainable regional waste management system.
Co-Authors Aina, Corry Commey, Nii Amarquaye Effendi, Aisyia Prasetya Emalya, Nikita Firdaus, Hana Syarifah Lokahita, Baskoro Park, Sang Hyeok Pratama, Mochamad Adhiraga Primus, Audrey Putri, Naila Syafiya Rega Permana Rubiyatno Siganul, Aimie Peace Thakali, Ocean Wijayanti, Yureana Yusnar, Cut