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Date: 05/19/2025

Water and Wastewater Treatment Plant and System Operators

Operate or control an entire process or system of machines, often through the use of control boards, to transfer or treat water or wastewater.

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    Work Activities

    Work Activities

    • Operate and adjust controls on equipment to purify and clarify water, process or dispose of sewage, and generate power.
    • Inspect equipment or monitor operating conditions, meters, and gauges to determine load requirements and detect malfunctions.
    • Collect and test water and sewage samples, using test equipment and color analysis standards.
    • Record operational data, personnel attendance, or meter and gauge readings on specified forms.
    • Collect and test water and sewage samples, using test equipment and color analysis standards.
    • Direct and coordinate plant workers engaged in routine operations and maintenance activities.
    • Maintain, repair, and lubricate equipment, using hand tools and power tools.
    • Maintain, repair, and lubricate equipment, using hand tools and power tools.
    • Clean and maintain tanks, filter beds, and other work areas, using hand tools and power tools.
    • Add chemicals, such as ammonia, chlorine, or lime, to disinfect and deodorize water and other liquids.
    • Clean and maintain tanks, filter beds, and other work areas, using hand tools and power tools.
    • Maintain, repair, and lubricate equipment, using hand tools and power tools.
    • Clean and maintain tanks, filter beds, and other work areas, using hand tools and power tools.

    Skills

    • Science

      Using scientific rules and strategies to solve problems.

    • Coordination

      Changing what is done based on other people's actions.

    • Operations Monitoring

      Watching gauges, dials, or display screens to make sure a machine is working.

    • Management of Financial Resources

      Making spending decisions and keeping track of what is spent.

    • Systems Evaluation

      Measuring how well a system is working and how to improve it.

    • Learning Strategies

      Using the best training or teaching strategies for learning new things.

    • Management of Material Resources

      Managing equipment and materials.

    • Operation and Control

      Using equipment or systems.

    • Troubleshooting

      Figuring out what is causing equipment, machines, wiring, or computer programs to not work.

    • Repairing

      Repairing machines or systems using the right tools.

    • Systems Analysis

      Figuring out how a system should work and how changes in the future will affect it.

    • Writing

      Writing things for co-workers or customers.

    • Time Management

      Managing your time and the time of other people.

    • Instructing

      Teaching people how to do something.

    • Persuasion

      Talking people into changing their minds or their behavior.

    • Negotiation

      Bringing people together to solve differences.

    • Equipment Maintenance

      Planning and doing the basic maintenance on equipment.

    • Management of Personnel Resources

      Selecting and managing the best workers for a job.

    • Programming

      Writing computer programs.

    • Mathematics

      Using math to solve problems.

    • Active Learning

      Figuring out how to use new ideas or things.

    • Equipment Selection

      Deciding what kind of tools and equipment are needed to do a job.

    • Installation

      Installing equipment, machines, wiring, or computer programs.

    • Complex Problem Solving

      Noticing a problem and figuring out the best way to solve it.

    • Operations Analysis

      Figuring out what a product or service needs to be able to do.

    • Judgment and Decision Making

      Thinking about the pros and cons of different options and picking the best one.

    • Technology Design

      Making equipment and technology useful for customers.

    • Service Orientation

      Looking for ways to help people.

    • Active Listening

      Listening to others, not interrupting, and asking good questions.

    • Critical Thinking

      Thinking about the pros and cons of different ways to solve a problem.

    • Reading Comprehension

      Reading work-related information.

    • Quality Control Analysis

      Testing how well a product or service works.

    • Social Perceptiveness

      Understanding people's reactions.

    • Speaking

      Talking to others.

    • Monitoring

      Keeping track of how well people and/or groups are doing in order to make improvements.

    WorkKeys®

    Applied Math
    5
    Workplace Documents
    5
    Graphic Literacy
    5

    Abilities

    • Extent Flexibility

      Bending, stretching, twisting, or reaching with your body, arms, and/or legs.

    • Trunk Strength

      Using your lower back and stomach.

    • Mathematical Reasoning

      Choosing the right type of math to solve a problem.

    • Speed of Limb Movement

      Quickly moving your arms and legs.

    • Number Facility

      Adding, subtracting, multiplying, or dividing.

    • Explosive Strength

      Jumping, sprinting, or throwing something.

    • Originality

      Creating new and original ideas.

    • Reaction Time

      Quickly moving your hand, finger, or foot based on a sound, light, picture or other command.

    • Stamina

      Exercising for a long time without getting out of breath.

    • Night Vision

      Seeing at night or under low light.

    • Inductive Reasoning

      Making general rules or coming up with answers from lots of detailed information.

    • Gross Body Coordination

      Moving your arms, legs, and mid-section together while your whole body is moving.

    • Visualization

      Imagining how something will look after it is moved around or changed.

    • Spatial Orientation

      Knowing where things are around you.

    • Category Flexibility

      Grouping things in different ways.

    • Sound Localization

      Noticing the direction that a sound came from.

    • Speech Recognition

      Recognizing spoken words.

    • Finger Dexterity

      Putting together small parts with your fingers.

    • Rate Control

      Changing when and how fast you move based on how something else is moving.

    • Multilimb Coordination

      Using your arms and/or legs together while sitting, standing, or lying down.

    • Dynamic Strength

      Exercising for a long time without your muscles getting tired.

    • Response Orientation

      Quickly deciding if you should move your hand, foot, or other body part.

    • Hearing Sensitivity

      Telling the difference between sounds.

    • Static Strength

      Lifting, pushing, pulling, or carrying.

    • Manual Dexterity

      Holding or moving items with your hands.

    • Problem Sensitivity

      Noticing when problems happen.

    • Peripheral Vision

      Seeing something to your side when your are looking ahead.

    • Speech Clarity

      Speaking clearly.

    • Speed of Closure

      Quickly knowing what you are looking at.

    • Written Expression

      Communicating by writing.

    • Wrist-Finger Speed

      Making fast, simple, repeated movements of your fingers, hands, and wrists.

    • Glare Sensitivity

      Seeing something even if there is a glare or very bright light.

    • Time Sharing

      Doing two or more things at the same time.

    • Selective Attention

      Paying attention to something without being distracted.

    • Dynamic Flexibility

      Quickly and repeatedly bending, stretching, twisting, or reaching out with your body, arms, and/or legs.

    • Memorization

      Remembering words, numbers, pictures, or steps.

    • Deductive Reasoning

      Using rules to solve problems.

    • Arm-Hand Steadiness

      Keeping your arm or hand steady.

    • Perceptual Speed

      Quickly comparing groups of letters, numbers, pictures, or other things.

    • Fluency of Ideas

      Coming up with lots of ideas.

    • Gross Body Equilibrium

      Keeping your balance or staying upright.

    • Visual Color Discrimination

      Noticing the difference between colors, including shades and brightness.

    • Near Vision

      Seeing details up close.

    • Oral Comprehension

      Listening and understanding what people say.

    • Oral Expression

      Communicating by speaking.

    • Flexibility of Closure

      Seeing hidden patterns.

    • Information Ordering

      Ordering or arranging things.

    • Far Vision

      Seeing details that are far away.

    • Written Comprehension

      Reading and understanding what is written.

    • Auditory Attention

      Paying attention to one sound while there are other distracting sounds.

    • Depth Perception

      Deciding which thing is closer or farther away from you, or deciding how far away it is from you.

    • Control Precision

      Quickly changing the controls of a machine, car, truck or boat.

    Knowledge

    • Communications and Media

      Knowledge of media production, communication, and dissemination techniques and methods. This includes alternative ways to inform and entertain via written, oral, and visual media.

    • Public Safety and Security

      Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.

    • Therapy and Counseling

      Knowledge of principles, methods, and procedures for diagnosis, treatment, and rehabilitation of physical and mental dysfunctions, and for career counseling and guidance.

    • Personnel and Human Resources

      Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems.

    • Customer and Personal Service

      Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.

    • Mechanical

      Knowledge of machines and tools, including their designs, uses, repair, and maintenance.

    • Food Production

      Knowledge of techniques and equipment for planting, growing, and harvesting food products (both plant and animal) for consumption, including storage/handling techniques.

    • Philosophy and Theology

      Knowledge of different philosophical systems and religions. This includes their basic principles, values, ethics, ways of thinking, customs, practices, and their impact on human culture.

    • Law and Government

      Knowledge of laws, legal codes, court procedures, precedents, government regulations, executive orders, agency rules, and the democratic political process.

    • Sociology and Anthropology

      Knowledge of group behavior and dynamics, societal trends and influences, human migrations, ethnicity, cultures, and their history and origins.

    • Computers and Electronics

      Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.

    • Economics and Accounting

      Knowledge of economic and accounting principles and practices, the financial markets, banking, and the analysis and reporting of financial data.

    • Administration and Management

      Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.

    • Mathematics

      Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.

    • Design

      Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.

    • Psychology

      Knowledge of human behavior and performance; individual differences in ability, personality, and interests; learning and motivation; psychological research methods; and the assessment and treatment of behavioral and affective disorders.

    • Fine Arts

      Knowledge of the theory and techniques required to compose, produce, and perform works of music, dance, visual arts, drama, and sculpture.

    • Chemistry

      Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods.

    • Sales and Marketing

      Knowledge of principles and methods for showing, promoting, and selling products or services. This includes marketing strategy and tactics, product demonstration, sales techniques, and sales control systems.

    • Administrative

      Knowledge of administrative and office procedures and systems such as word processing, managing files and records, stenography and transcription, designing forms, and workplace terminology.

    • Production and Processing

      Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.

    • Building and Construction

      Knowledge of materials, methods, and the tools involved in the construction or repair of houses, buildings, or other structures such as highways and roads.

    • Engineering and Technology

      Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.

    • Physics

      Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub-atomic structures and processes.

    • Education and Training

      Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.

    • English Language

      Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.

    • Medicine and Dentistry

      Knowledge of the information and techniques needed to diagnose and treat human injuries, diseases, and deformities. This includes symptoms, treatment alternatives, drug properties and interactions, and preventive health-care measures.

    • Biology

      Knowledge of plant and animal organisms, their tissues, cells, functions, interdependencies, and interactions with each other and the environment.

    • History and Archeology

      Knowledge of historical events and their causes, indicators, and effects on civilizations and cultures.

    • Geography

      Knowledge of principles and methods for describing the features of land, sea, and air masses, including their physical characteristics, locations, interrelationships, and distribution of plant, animal, and human life.

    • Transportation

      Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits.

    • Telecommunications

      Knowledge of transmission, broadcasting, switching, control, and operation of telecommunications systems.

    • Foreign Language

      Knowledge of the structure and content of a foreign (non-English) language including the meaning and spelling of words, rules of composition and grammar, and pronunciation.

    Career Video

    Additional videos and more information available on CareerOneStop

    Pay

    • Ohio Annual Salary 54610/yr
    • Typical Salary
    • Ohio Hourly Wage 26.25/hr
    • Typical Hourly Wage

    Ohio Employment Trends

    • Currently Employed 4,570
    • Yearly Projected Openings 410

    Typical Education

    Personality

    Realistic: People interested in this work like activities that include practical, hands-on problems and solutions.They do well at jobs that need:
    • Integrity
    • Dependability
    • Attention to Detail
    • Independence
    • Concern for Others
    • Initiative

    Tools

    • Air samplers or collectors
    • Ammonia removal equipment
    • Atomic absorption AA spectrometers
    • Autosamplers
    • Bacterial removal equipment
    • Blowers
    • Carbon filtration equipment
    • Centrifugal pumps
    • Chemical pumps
    • Chlorine handling equipment
    • Colorimeters
    • Conductivity meters
    • Conveyor screw
    • Desktop computers
    • Digital camcorders or video cameras
    • Dissolved oxygen meters
    • Drain or pipe cleaning equipment
    • Flow sensors
    • Furnaces
    • Grit chambers
    • Heat exchangers
    • Hydraulic pumps
    • Hydrocarbons analyzers or detectors
    • Incinerators
    • Lift stations
    • Microcontrollers
    • Mixers or agitators
    • Nitrogen or nitrate or nitrite analyzer
    • Notebook computers
    • Odor control equipment
    • Oil content monitors analyzers
    • Organic carbon analyzers
    • Oxygen gas analyzers
    • Oxygen generators
    • Packaged water treatment systems
    • Positive displacement pumps
    • Screw Pumps
    • Sedimentological analyzing unit
    • Single gas monitors
    • Sludge collectors
    • Sludge disposal equipment
    • Sludge or sewage digesters
    • Sludge or sewage removal equipment
    • Sludge pelletizers
    • Sludge shredders
    • Toxicology analyzers
    • Turbidimeters
    • Ultrafiltration equipment
    • Ultraviolet wastewater disinfection equipment
    • Valve actuators
    • Water conditioners
    • Water purification equipment
    • Water samplers
    • Water treatment dryers
    • Wet scrubbers
    • pH meters

    Technology

    • Compliance software
    • Data base user interface and query software
    • Document management software
    • Electronic mail software
    • Geographic information system
    • Industrial control software
    • Office suite software
    • Operating system software
    • Presentation software
    • Spreadsheet software
    • Time accounting software
    • Word processing software

    Tags

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