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The Performance of Household-Scale Horizontal Flow Constructed Wetland (HFCW) Unit for Treating Greywater Suleman, Iriani Putri; Sofiyah, Evi Siti; Ridhosari, Betanti
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 3 (2024): November 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i3.681-695

Abstract

Horizontal flow constructed wetland (HFCW) is a method mimicking natural processes in which plantations are used to treat wastewater. This method demonstrates superior efficacy in the removal of organic pollutants and total nitrogen. Furthermore, it offers the advantage of reduced operational and maintenance expenses. This research employs a household-scale HFCW unit, utilizing water hyacinths (Eichornia crassipes) to treat greywater from a single house. The study aims to assess the HFCW unit's performance in treating greywater at a household scale, with effluent quality compared against Minister of Environment and Forestry Regulation (Regulation Number 68/2016 on Domestic Wastewater Quality Standard) using testing methods in accordance with the Indonesian National Standards (SNI). The results indicate that the HFCW unit removal efficiencies after two days retention time are: BOD5 (74%-93%), COD (47%-80%), TSS (55%-97%), oil and grease (50%-94%), and ammonia (46%-99%). After three days, the unit generally demonstrates improved performance, which are: BOD5 (67%-96%), COD (57%-91%), TSS (51%-97%), oil and grease (11%-99%), and ammonia (35%-99%). Overall, the effluent quality meets government standards for both two- and three-days retention time, establishing the HFCW unit as an effective household-scale greywater treatment solution.
Community Participation in Urban Sanitation Programs at Koja, Jakarta, Indonesia Aji, Angga Dheta Shirajjudin; Suhardono, Sapta; Sofiyah, Evi Siti; Ridhosari, Betanti; Nastiti, Almira Davina; Prayogo, Wisnu; Suryawan, I Wayan Koko
Jurnal Kesehatan Masyarakat Vol. 20 No. 3 (2025)
Publisher : Universitas Negeri Semarang in collaboration with Ikatan Ahli Kesehatan Masyarakat Indonesia (IAKMI Tingkat Pusat) and Jejaring Nasional Pendidikan Kesehatan (JNPK)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kemas.v20i3.1990

Abstract

Urban sanitation remains a critical public health issue, with community participation recognized as a key factor in the success of sanitation programs. This study aims to explore the multi-dimensional factors influencing community participation in the urban setting of Koja. Through a mixed-methods approach, including surveys, interviews, and observational studies, we investigated how socio-demographic factors such as age, gender, income, and occupation, as well as aspects of sanitation governance, infrastructure, and educational interventions, interplay to affect community engagement. The study revealed that while infrastructure and access are crucial, socio-economic and gender-related barriers significantly impact participation levels. Educational level emerged as a strong predictor of engagement, indicating that awareness and knowledge play a critical role in motivating community involvement. Furthermore, sanitation governance and the quality of policies and monitoring were found to be instrumental in shaping public attitudes towards participation. The research highlights the necessity for integrated and inclusive sanitation policies that address the local context and socio-economic diversity of urban populations. The findings underscore the importance of targeted educational campaigns and the fostering of collaborative community relationships to enhance participation in sanitation programs. This study contributes to the discourse on urban sanitation by providing a nuanced understanding of the complex factors at play in community-based sanitation efforts, offering insights for policymakers to improve public health outcomes.
Analisis Dampak dan Strategi Kebijakan Pengendalian Kontaminasi Escherichia coli pada Minuman Olahan di Universitas Sofiyah, Evi Siti; Suryawan, I Wayan Koko
Journal of Sustainable Infrastructure Vol. 4 No. 2 (2025): Sustainable Infrastructure Breakthroughs: From Concrete to Circularity
Publisher : Fakultas Perencanaan Infrastruktur, Universitas Pertamina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61078/jsi.v4i2.61

Abstract

Kualitas air minum yang aman dan higienis di lingkungan universitas merupakan aspek fundamental dalam menjaga kesehatan sivitas akademika serta mendukung reputasi institusi sebagai ruang belajar yang berkelanjutan. Salah satu risiko utama terhadap keamanan air minum dan minuman olahan di kantin kampus adalah kontaminasi Escherichia coli (E. coli), yang menjadi indikator adanya pencemaran fekal. Studi ini tidak berfokus pada uji laboratorium, melainkan pada analisis dampak kualitatif dan evaluasi kebijakan pengendalian melalui pendekatan cost–benefit. Tujuan utama penelitian ini adalah untuk mengidentifikasi konsekuensi sosial, ekonomi, dan lingkungan dari potensi kontaminasi E. coli, menilai efektivitas pendekatan pencegahan berbasis investasi higienitas, serta merumuskan strategi kebijakan jangka pendek, menengah, dan panjang di tingkat universitas. Analisis dilakukan menggunakan kerangka SWOT dan matriks aksi strategis (Strategic Action Matrix) untuk merumuskan langkah implementasi yang realistis, terukur, dan berorientasi pada keberlanjutan. Hasil analisis menunjukkan bahwa penerapan sistem desinfeksi air, pelatihan kebersihan bagi pengelola kantin, dan pembentukan mekanisme pemantauan kualitas air secara berkala memberikan manfaat sosial dan ekonomi yang signifikan dibandingkan pendekatan reaktif. Upaya preventif ini terbukti memperkuat tata kelola air kampus, meningkatkan kepercayaan mahasiswa terhadap keamanan konsumsi, dan mendukung penerapan prinsip green campus.