The work involves responsibility for directing the operation and maintenance of one or more wastewater treatment plants and major pumping stations. Under administrative supervision, an employee is responsible for the safe and efficient, operation and maintenance of an advanced wastewater treatment facility of multi-million dollar value. Assignments are received with general guidelines but employees use their own judgement in planning methods and procedures and in dealing with emergency conditions. Supervision is exercised over a substantial number of subordinates. Does related work as required.


Maintains plant effluent concentrations within State and Federal discharge permit limits to safeguard public health.

Interprets lab results, takes corrective action to control process, determines chemical feed rates, recycle rates, wasting rates.

Supervises on site generation and utilization of methane gas, pure oxygen and utilization of chlorine, concentrated acids, corrosive and oxidizing agents.

Supervises the scheduling of preventive and corrective maintenance.

Supervises the maintenance and repair of plant equipment.

Maintains maintenance records, inventory of spare parts, chemicals and supplies.

Anticipates repair and replacement schedule to insure timely ordering and delivery.

Requisitions materials, writes specifications for equipment required.

Prepares and manages annual operating budget.

Prepares and administers operating schedule to provide personnel coverage as mandated or required for emergencies.

Supervises, trains, counsels and evaluates personnel.

Prepares, maintains and presents reports on plant operation and maintenance.

Writes and teaches plant operating and maintenance procedures.

Prepares and implements emergency procedures.

Reviews and interprets plans and specifications for plant and pumping station construction or modification, makes recommendations, conducts inspections and generates discrepancy reports.

Conducts plant tours for regulatory agencies, legislators, students, consultants and other groups.

Enforcement of County work rules, etc.


Comprehensive knowledge of the principles, practices used and equipment required in the operation and maintenance of a wastewater treatment plant.

Comprehensive knowledge of chemicals used in wastewater treatment and safety precautions pertaining to their usage.

Comprehensive knowledge of sludge handling, treatment and disposal.

Comprehensive knowledge of treatment of plant safety.

Thorough knowledge of operation of digital control systems.

Good knowledge of principles of sanitary engineering as they relate to the operation of a Grade 4A treatment plant.

Good knowledge of the principles of physics, chemistry, hydraulics and bacteriology as applied to wastewater treatment and disposal.

Good knowledge of state and federal regulations as related to wastewater treatment and disposal.

Good knowledge of NYS Public Employees Safety and Health Act.

Ability to plan, organize, direct, coordinate and control the productivity of a large work force of diversified talents engaged in the operation and repair or mechanical equipment.

Ability to train subordinates to develop job skills.

Ability to teach subordinates in plant operation and maintenance.

Ability to motivate employees to full productivity.

Ability to start up and shut down complete treatment plants and or processes there in.

Ability to make emotionally mature, rational decisions in emergencies and in personnel matters.

Available 24 hours a day.

Ability to participate in rotational on-call program to include nights, weekends, and holidays.

Physical condition commensurate with the demands of the position.

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Two (2) years of permanent competitive class status as a Principal Wastewater Treatment Plant Operator.

Open Competitive:

Possession of a 3A certificate issued under the provisions of part 650 of the New York State Environmental Conservation Regulations and two (2) years of work experience, or its part-time equivalent, in the actual operation of a wastewater treatment plant, and in addition, must have two (2) years of full-time supervisory work experience of which 6 months was in the supervision of the work performed by other Wastewater Treatment Plant Operators.


Appointees to this position must possess a 4A certificate issued under the provisions of part 650 of the New York State Environmental Conservation Regulation prior to successful completion of the probationary period for this position; and,

Possession of a valid New York State Motor Vehicle Operator's License at the time of appointment.

03/2019 Revised