Operates and controls electric motors, pumps and valves to regulate flow of raw water treating plant. Operates and monitors SCADA System. Loads specified amounts of chemicals, such as chlorine, ammonia and lime into water or adjusts automatic devices that admit specified amounts of chemicals into treatment section to disinfect and clarify water. Starts flashmixers to mix chemicals and allow impurities to settle to bottom of basin.

Turns valves to regulate water through filter beds to remove impurities. Pumps purified water into water mains and storage tanks. Monitors panel board and adjusts controls to regulate flow rates, loss of head pressure, water elevation and the distribution of water. Cleans filter beds using backwash system and periodically cleans filter basins and settlement basins with a pressure washer.

Tests water samples to determine acidity, color and impurities using colorimeter, turbidimeter and conductivity meters. Records data such as residual content of chemicals, water turbidity and water pressures. Prepares various records and reports including flow charts, filter backwash charts, turbidity charts, bacteria records, dosage charts, calibration records, etc. Maintains such records and reports as directed by SC DHEC. (Refer to full job description for additional duties.)