Supervises a small maintenance staff by interviewing and recommending for hire, making work assignments, providing training and direction, monitoring work output, and evaluating the work of incumbents. Coordinates scheduled maintenance and repairs of plant equipment and facilities to ensure plant operation standards conform with laws and regulations. Monitors flow rates and chemical contents of water by reading meters and records data in Environmental Protection Agency and Pollution Control reports. Develops criteria for water and waste treatment by establishing chemical levels and turbidity levels using Department of Health guidelines. Revises and writes plant operating procedures and writes bid specifications for equipment purchases of over five hundred dollars. Completes monthly activity and waste water level reports. Purchases parts and supplies by contacting vendors and arranging for delivery. Performs other duties as assigned.