A professional who supervises and coordinates activities of workers engaged in irrigating crops. Respnsibilities include:

• Inspects area irrigated to ensure adequate soaking and prevent waste of water.
• Opens head gate to permit entry of water into main ditches or pipes.
• Signals worker to start water flow.
• Directs workers in cleaning and repairing ditches or pipes.
• Keeps workers' time records.
• Performs other duties as described under supervisor master title.
• May verify addition of liquid fertilizer to irrigation ditches by commercial firm.