"PI Ciclo Idrico" is the project realized by A2A with e-matica for developing novel tools for monitoring water service activities, the presentation will focus on wastewater treatment plants application. PI system acquire data from different sources (scada, Oracle, and mobile app) integrates them on the same time scale and organise them through the asset framework. That allows representing plant overall behaviour and improve data elaboration through PI Vision System and PI DataLink tools. Main goals: detecting parameters that deviate from expected range, calculating the process performance KPI and quality control KPI defined by authority.