A professional who maintains and repairs machines and equipment used to process and distribute water for human consumption and industrial use. Responsibilities include:

• Dismantles, or partially dismantles electric motors, turbines, pumps, hydraulic valves, chlorinators, limers, meters, gauges, and other equipment, to gain access to or remove faulty parts, using hand and power tools, such as wrenches, screwdrivers, and hoists.
• Repairs or replaces defective parts.
• Inspects machines and equipment periodically, lubricating moving parts, or replacing worn parts to prevent breakdown or malfunctioning.
• May operate plant equipment to process and distribute water.