Wastewater Treatment Plant Operator Grade 3

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Wastewater Treatment Plant Operator Grade 3

Arizona

Under general supervision of the Chief Wastewater Treatment Plant Operator Type 4 Plant, an incumbent of this class has responsibility during an assigned shift for the efficient operation and maintenance of a wastewater treatment plant with a plant. An incumbent is responsible for the operation and oversight of wastewater treatment processes, equipment system control, sewage sampling, and minor troubleshooting/repairs of pumps and equipment.

• Monitors equipment and pumping systems including sewer force mains, manholes, gravity sewer lines, trunk sewers, laterals, and wye connections
• Verifies proper operation of machinery and equipment including pumping and float systems, valves, piping, controls, pressure transducers, ultrasonic level controls
• Treats and disposes of sludge; performs treatment processes using tools such as trickling filters, rotating biological contractors (RBCs), sand filters, biofilters, oxidation ponds, stabilization ponds, and activated carbon
• Starts and stops mechanical equipment systems for primary and secondary treatment including collection equipment, grease and scum collection, sludge pumps, valves, gates, and other related machinery and equipment
• Starts and stops mechanical equipment systems for microfiltration and ultraviolet disinfection, which includes membrane filters, air compressors, sand filters, ultraviolet disinfection units, and other related machinery and equipment
• Performs minor troubleshooting and repair of pumps, controls, and related equipment
• Records readings from meters and gauges; takes necessary tests for control of plant operation including test samples of sewage
• Maintains records of wastewater treatment processes and plant operations; prepares reports for state agencies such as discharge monitoring reports
• Coordinates a timely response to adverse events at the wastewater treatment plant including power outages and sewer breaks to restore system operations efficiently
• Uses computer applications or other automated systems such as spreadsheets, word processing, calendar, e-mail, and database software in performing work assignments

• Possession of a valid Wastewater Treatment Plant Operator Grade 3 or Grade 4 certification.
• Good knowledge of the practices used and the equipment required in the operation and maintenance of a Wastewater Treatment Plant with facilities for chemical precipitation, sludge vacuum filtration, sludge incineration, separate sludge digestion, or any other biological oxidation process
• Working knowledge of the principles and applications of physics, chemistry, and bacteriology as applied to wastewater treatment and disposal skill in the operation and repair of pumps, valves, and related mechanical and electrical equipment
• Ability to read, understand, and record data from gauges, scales, and meters
• Ability to make routine laboratory and field tests for control of plant operations
• Ability to effectively use computer applications such as spreadsheets, word processing, calendar, e-mail, and database software