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All Journal Register: Jurnal Ilmiah Teknologi Sistem Informasi Briliant: Jurnal Riset dan Konseptual Journal of Development Research Jurnal Sains dan Informatika at-tamkin: Jurnal Pengabdian kepada Masyarakat Jiko (Jurnal Informatika dan komputer) KOMPUTIKA - Jurnal Sistem Komputer Jurnal Ilmiah Fillia Cendekia Jurnal Linguistik Komputasional ILKOMNIKA: Journal of Computer Science and Applied Informatics JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Jurnal Teknologi Informatika dan Komputer Wahana Peternakan Jurnal Pengabdian dan Pemberdayaan Nusantara (JPPNu) Journal of Science Nusantara Journal Automation Computer Information System (JACIS) Tekmulogi: Jurnal Pengabdian Masyarakat Journal of Computer Engineering, Electronics and Information Technology Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen)
FATRA NONGGALA PUTRA
Universitas Nahdlatul Ulama Blitar
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Public Health Social Sciences Veterinary Other

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IoT-Based Water Quality Monitoring System Using ESP32 with NSF-WQI Method on Various Water Sources Khasanah, Ulfa Niswatul; Fauzi, Moh. Mimbar; Putra, Fatra Nonggala; Kurniati, Imroatul Fatikha; Ramadhan, Januar Gilang
Jurnal Teknologi Informatika dan Komputer Vol. 12 No. 1 (2026): Jurnal Teknologi Informatika dan Komputer
Publisher : Universitas Mohammad Husni Thamrin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37012/jtik.v12i1.3185

Abstract

Water quality is an important indicator in maintaining environmental health and ecosystem sustainability. Direct water quality monitoring would be challenging for determining the quality of water sources. Therefore, it is necessary to design a real-time Water Quality Index (WQI) monitoring system based on the Internet of Things (IoT) using the ESP32 microcontroller with sensors for pH, temperature, turbidity (NTU), Total Dissolved Solids (TDS), and electrical conductivity (EC). The system is designed to be portable with a battery power source and is capable of sending data in real-time to a server for display via a web interface, as well as providing automatic notifications through Telegram.Water quality assessment is performed using the National Sanitation Foundation Water Quality Index (NSF-WQI) method with four main parameters: pH, temperature, NTU, and TDS. The system is also capable of classifying water quality into 5 categories: Excellent, Good, Medium, Bad, and Very Bad. Laboratory tests were conducted on various liquids (coffee, soap, and milk), followed by field tests at three locations: Tempur River, Paddy Field Irrigation Flow, and Mbelik Tirta Wening Minggirsari Water Source. The measurement results show WQI values of 65–69 (Medium category) for Tempur River, 75–83 (Good category) for Paddy Field Irrigation Flow, and 93–98 (Excellent category) for Mbelik Tirta Wening Minggirsari Water Source. The system successfully demonstrated accurate, responsive, and reliable performance, making it suitable for sustainable water quality monitoring.
Co-Authors Abd. Charis Fauzan Agus Zainal Arifin Ahmad Agung Saputra Ahmad Gufron Ahmad Gufron Ahmad Makhi Ahmad Saifudin, Ahmad Anshori, M Subhan Anshori, Subhan Ari Effendi Atallah, Mukhammad Tsafiq Ayu Eviana Bagus Waluyo Binti Aulatul Mufida Chastine Fatichah Dika, Johan Wayan Edoardo Jofan Rifano Egy Nadya Fadhila Nur Hanifah Faizin Choirul Umam Fasta Della Fitrotul Husnayaini Fauzi, Moh Mimbar Fauzi, Moh. Mimbar Gleydis Harwida Hadi Suyono Hakim, Muhammad Helmi Harliana Harliana Herry Santosa Imam Machfud Imam Muchlisin, Mochammad Indradi Wijatmiko Ismu Rini Dwi Ari Iza Arfiana Fauziah Jofan Rifano, Edoardo Kharisma Sabbihatul Mustaghfaroh Kurniati, Imroatul Fatikha Lestari, Arum Ayu Lestari, Febbi Sena Lestari, Febbi Senna Lestari, Indah Dewi Lestariningsih Lestariningsih Lestariningsih Lestariningsih Lestariningsih Lestariningsih Lestariningsih Lestariningsih Lestariningsih Maharani, Ayu Pramesti Mashudi Mashudi Maulana, Eka Moch. Agus Choiron Muhammad Lutfi Ashari Naela Nur Choiriyah Nining Haryuni Peni Nohantiya Peni Nohantiya Pipit Lailatul Rahmania Prabowo, Tito Rahmat Yanu Sutrisno Ramadhan, Januar Gilang Ratika Sekar Ajeng Ananingtyas Riyadus Sholichin Rizqi Darma Rusdian Yusron Rizqi Darma Rusdiyan Yusron Sakti, Ragil Ellang Sekar Ajeng Ananingtyas, Ratika Tricahyo, Vion Age Tyas Alhim Mubarok Ulfa Niswatul Vion Age Tricahyo Vion Age Tricahyo Wasimin Wasimin Yeni Ratih Pratiwi Yuniar Alam Zainun Nasikin