SCADA (Supervisory Control and Data Acquisition) System is an advanced automation and monitoring solution used in wastewater treatment plants to control, supervise, and optimize all treatment processes in real time. It collects data from sensors and field instruments such as flow meters, level sensors, pH/DO controllers, and pumps, and displays it on a central interface. Operators can monitor plant performance, detect faults, and control equipment remotely from a single control room. SCADA systems help automate critical processes like chemical dosing, aeration control, sludge handling, and pump operations, ensuring consistent and efficient plant performance. They also provide alarms and alerts for abnormal conditions, reducing the risk of system failure. By improving process control, reducing manual intervention, and enabling data-driven decision-making, SCADA systems play a key role in modern, efficient, and reliable wastewater treatment operations.