42 Optimization services for measuring water quality parameters for drinking water, wastewater and industrial process water, namely, sensor calibration and/or multi-sensor system calibration for improving accuracy of real-time measurement of complex water quality parameters including lab-based water quality parameters; Optimization services for process control for water treatment processes for drinking water and wastewater, namely, sensor calibration and/or multi-sensor system calibration for improving accuracy of real-time measurement of complex process control parameters, including water treatment process dosing setpoints; Software-as-a-Service (SaaS) featuring software for data collection, visualization, analytics and management in the field of water quality; Software-as-a-Service (SaaS) featuring software for the remote monitoring of water quality sensors; Software-as-a-Service (SaaS) featuring software used to perform anomaly detection in the field of water quality by analyzing data collected from water quality sensors.