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All Journal Indonesian Journal of Chemistry and Environment Jurnal Pengabdian Sosial
Susane, Hismi
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Analysis of Sayang-Sayang Spring Water Quality Using the Water Quality Index for Evaluation of the Suitability of Clean Water Sources Susane, Hismi; Mulhidin, Mulhidin; Nurhidayah, Nurhidayah; Sholehah, Hijriati
Indonesian Journal of Chemistry and Environment Vol. 8 No. 2 (2025): DECEMBER 2025
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v8i2.94441

Abstract

Clean water plays a crucial role in public health and environmental sustainability, particularly in urban and peri-urban areas that still rely on springs as a water source. The Sayang-Sayang Spring in Mataram City is utilized by the community, but its water quality is potentially affected by anthropogenic activities in the surrounding area. This study aimed to comprehensively evaluate the water quality of Sayang-Sayang Spring using the Water Quality Index (WQI) approach and determine its suitability as a clean water source. Water samples were collected in August 2025 and analyzed for physical, chemical, and biological parameters in accordance with Minister of Health Regulation No. 32 of 2017. The Weighted Water Quality Index (WQI) was calculated by determining parameter weights using the Delphi method. The analysis results showed that most physical and chemical parameters, such as temperature, TSS, TDS, pH, BOD, DO, nitrate, and ammonia, met clean water quality standards. However, COD and total phosphate values ​​exceeded the established threshold, and microbiological parameters showed a total coliform content of 240 MPN/100 mL. A WQI of 90.20 indicates excellent water quality. However, the presence of organic matter, nutrients, and coliforms limits the use of this spring as untreated drinking water. This study confirms the effectiveness of the WQI as a water quality assessment tool and supports the sustainable management of the spring from anthropogenic pressures.
Pendampingan Kelembagaan Posyantek Desa Darmaji dalam Pembuatan Biogas Skala Rumah Tangga Mulhidin, Mulhidin; Sholehah, Hijriati; Nurhidayah, Nurhidayah; Susane, Hismi
Jurnal Pengabdian Sosial Vol. 3 No. 2 (2025): Desember
Publisher : PT. Amirul Bangun Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/cqgmyf81

Abstract

Teknologi tepat guna Menurut  merupakan teknologi yang sesuai dengan kondisi dimana teknologi tersebut digunakan atau diterapkan, baik dari aspek sosial, ekonomi, maupun budaya, sehingga masyarakat setempat mudah berpartisipasi dan bisa memenuhi kebutuhan mereka secara efektif. Biogas adalah gas yang dapat dihasilkan dari fermentasi faeces (kotoran) ternak, misalnya sapi, kerbau, babi, kambing, ayam dan lain-lain dalam suatu ruangan yang disebut digester Pendampingan kelembagaan dalam pembuatan biogas skala rumah tangga sangat penting untuk memastikan keberhasilan dan keberlanjutan program.Tujuan Kegiatan pengabdian Masyarakat ini adalah untuk memberikan pengetahuan kepada masyarakat tentang cara pembuatan Biogas skala rumah tangga sebagai eenrgi terbaruka.Metode yang digunakan dalam pengadbian masyarakat ini adalah Sosialisasi dan pelatihan Langsung tentang cara pembuatan Biogas. Program Pendampingan pembuatan biogas di Desa Darmaji Kecamatan kopang Kabupaten Lombok Tengah diharapkan meningkatkan pengetahuan masyarakat mengenai potensi biogas sebagai energi terbarukan yang ramah lingkungan dan bermanfaat dalam mengelola limbah.
Co-Authors mulhidin, mulhidin Nurhidayah Nurhidayah Sholehah, Hijriati