Assists Water Distribution Valve Operator in locating, chipping of asphalt, blowing debris from valve box, inspecting, and exercising water main valves in the city system, and making shutdowns for contractors and emergencies. Assists distribution operators and valve and hydrant crews in the general maintenance of the water distribution system. Reports to and relies on Water System Operation Supervisor or assigned field supervisor for guidance and job facilitation. This classification includes entry-level preventive maintenance and machine operation work. Persons in this position are subject to callback and overtime.