Sistem Pemantauan Kualitas Air Minum Isi Ulang Berbasis IoT dengan Parameter PH, TDS, dan Kekeruhan Menggunakan Platform Blynk (Studi Kasus : Desa Penfui Timur)

JONI, Yosef Freinademetz (2025) Sistem Pemantauan Kualitas Air Minum Isi Ulang Berbasis IoT dengan Parameter PH, TDS, dan Kekeruhan Menggunakan Platform Blynk (Studi Kasus : Desa Penfui Timur). Undergraduate thesis, Universitas Katolik Widya Mandira Kupang.

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Abstract

The quality of refill drinking water is a crucial factor in maintaining public health, especially in areas such as Penfui Timur Village, where bottled refill water is the main source of consumption. The lack of public awareness regarding water quality standards, combined with the limitations of monitoring systems, underlies the need for developing real-time water quality monitoring innovations. This study aims to design and implement an Internet of Things (IoT)-based water quality monitoring system with parameters including pH, Total Dissolved Solids (TDS), and turbidity, using an ESP32 microcontroller. Sensor data is displayed via a 16x2 LCD and the Blynk application. Tests were conducted on several water samples from five depots in Penfui Timur Village. The results show that most samples met the drinking water quality standards based on pH (6.5–8.5), TDS (<500 ppm), and turbidity (<5 NTU) parameters, in accordance with the Indonesian Ministry of Health Regulation No. 492 of 2010. The system proved capable of accurately and responsively displaying data both on the LCD and via the Blynk application. Therefore, this system can serve as an effective and affordable alternative solution to assist refill water depot owners and consumers in independently monitoring the quality of refill drinking water.

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