Water treatment plants are critical infrastructures that employ advanced processes to ensure the supply of safe and clean drinking water. Central to these operations is water treatment itself, a multifaceted procedure involving filtration, sedimentation, disinfection, and other techniques to remove contaminants and pathogens. A key parameter monitored throughout this process is pH, as maintaining the optimal acidity or alkalinity level is vital for the effectiveness of treatment chemicals and the prevention of corrosion or scaling in pipelines. Continuous pH monitoring systems are integrated into treatment facilities to provide real-time data, enabling operators to adjust dosages and processes promptly, thereby safeguarding water quality and public health.