Operate, monitor, adjust, and maintain treatment processes and systems to ensure efficient, safe, and regulatory‑compliant operations, including pumps, motors, chemical preparation and feeding systems, filtration, aeration, clarification, sludge handling, auxiliary equipment, and associated control and monitoring equipment. Maintain accurate and complete plant records, including operating logs, daily worksheets, laboratory and field test results, chemical feed data, flow measurements, temperatures, levels, and other process data; prepare and submit routine and special reports as required for regulatory compliance and operational tracking.