# 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. - Code: 51-8031.00 (O*NET-SOC; SOC 2018 51-8031) - Family: [Production](https://foundation.org.ai/occupations#family-51), one of its 114 occupations - Tasks: 8 tasks (8 core) - Page: https://foundation.org.ai/occupations/51-8031.00 - JSON: https://foundation.org.ai/data/tasks/51-8031.00.json ## What the work is made of 1. Add chemicals, such as ammonia, chlorine, or lime, to disinfect and deodorize water and other liquids. Core task · Task 925 · Rated by 81 people who do the job, August 2018 2. Collect and test water and sewage samples, using test equipment and color analysis standards. Core task · Task 928 · Rated by 80 people who do the job, August 2018 3. Record operational data, personnel attendance, or meter and gauge readings on specified forms. Core task · Task 929 · Rated by 81 people who do the job, August 2018 4. Operate and adjust controls on equipment to purify and clarify water, process or dispose of sewage, and generate power. Core task · Task 926 · Rated by 81 people who do the job, August 2018 5. Inspect equipment or monitor operating conditions, meters, and gauges to determine load requirements and detect malfunctions. Core task · Task 927 · Rated by 81 people who do the job, August 2018 6. Maintain, repair, and lubricate equipment, using hand tools and power tools. Core task · Task 930 · Rated by 81 people who do the job, August 2018 7. Clean and maintain tanks, filter beds, and other work areas, using hand tools and power tools. Core task · Task 18585 · Rated by 81 people who do the job, August 2018 8. Direct and coordinate plant workers engaged in routine operations and maintenance activities. Core task · Task 932 · Rated by 79 people who do the job, August 2018 ## More in Production - [Adhesive Bonding Machine Operators and Tenders](https://foundation.org.ai/occupations/51-9191.00): 16 tasks - [Aircraft Structure, Surfaces, Rigging, and Systems Assemblers](https://foundation.org.ai/occupations/51-2011.00): 27 tasks - [Assemblers and Fabricators, All Other](https://foundation.org.ai/occupations/51-2099.00): no tasks listed - [Bakers](https://foundation.org.ai/occupations/51-3011.00): 18 tasks - [Biofuels Processing Technicians](https://foundation.org.ai/occupations/51-8099.01): 19 tasks - [Biomass Plant Technicians](https://foundation.org.ai/occupations/51-8013.03): 18 tasks - [Butchers and Meat Cutters](https://foundation.org.ai/occupations/51-3021.00): 11 tasks - [Cabinetmakers and Bench Carpenters](https://foundation.org.ai/occupations/51-7011.00): 20 tasks - [Chemical Equipment Operators and Tenders](https://foundation.org.ai/occupations/51-9011.00): 23 tasks - [Chemical Plant and System Operators](https://foundation.org.ai/occupations/51-8091.00): 19 tasks - [Cleaning, Washing, and Metal Pickling Equipment Operators and Tenders](https://foundation.org.ai/occupations/51-9192.00): 11 tasks - [Coating, Painting, and Spraying Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-9124.00): 29 tasks - [Coil Winders, Tapers, and Finishers](https://foundation.org.ai/occupations/51-2021.00): 11 tasks - [Computer Numerically Controlled Tool Operators](https://foundation.org.ai/occupations/51-9161.00): 27 tasks - [Computer Numerically Controlled Tool Programmers](https://foundation.org.ai/occupations/51-9162.00): 15 tasks - [Cooling and Freezing Equipment Operators and Tenders](https://foundation.org.ai/occupations/51-9193.00): 18 tasks - [Crushing, Grinding, and Polishing Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-9021.00): 21 tasks - [Cutters and Trimmers, Hand](https://foundation.org.ai/occupations/51-9031.00): 18 tasks - [Cutting and Slicing Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-9032.00): 25 tasks - [Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4031.00): 32 tasks - [Dental Laboratory Technicians](https://foundation.org.ai/occupations/51-9081.00): 17 tasks - [Drilling and Boring Machine Tool Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4032.00): 17 tasks - [Electrical and Electronic Equipment Assemblers](https://foundation.org.ai/occupations/51-2022.00): 16 tasks - [Electromechanical Equipment Assemblers](https://foundation.org.ai/occupations/51-2023.00): 14 tasks - [Engine and Other Machine Assemblers](https://foundation.org.ai/occupations/51-2031.00): 12 tasks - [Etchers and Engravers](https://foundation.org.ai/occupations/51-9194.00): 26 tasks - [Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4021.00): 16 tasks - [Extruding and Forming Machine Setters, Operators, and Tenders, Synthetic and Glass Fibers](https://foundation.org.ai/occupations/51-6091.00): 17 tasks - [Extruding, Forming, Pressing, and Compacting Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-9041.00): 26 tasks - [Fabric and Apparel Patternmakers](https://foundation.org.ai/occupations/51-6092.00): 16 tasks - [Fiberglass Laminators and Fabricators](https://foundation.org.ai/occupations/51-2051.00): 16 tasks - [First-Line Supervisors of Production and Operating Workers](https://foundation.org.ai/occupations/51-1011.00): 20 tasks - [Food and Tobacco Roasting, Baking, and Drying Machine Operators and Tenders](https://foundation.org.ai/occupations/51-3091.00): 19 tasks - [Food Batchmakers](https://foundation.org.ai/occupations/51-3092.00): 25 tasks - [Food Cooking Machine Operators and Tenders](https://foundation.org.ai/occupations/51-3093.00): 17 tasks - [Food Processing Workers, All Other](https://foundation.org.ai/occupations/51-3099.00): no tasks listed - [Forging Machine Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4022.00): 13 tasks - [Foundry Mold and Coremakers](https://foundation.org.ai/occupations/51-4071.00): 13 tasks - [Furnace, Kiln, Oven, Drier, and Kettle Operators and Tenders](https://foundation.org.ai/occupations/51-9051.00): 17 tasks - [Furniture Finishers](https://foundation.org.ai/occupations/51-7021.00): 22 tasks - [Gas Plant Operators](https://foundation.org.ai/occupations/51-8092.00): 19 tasks - [Gem and Diamond Workers](https://foundation.org.ai/occupations/51-9071.06): 14 tasks - [Glass Blowers, Molders, Benders, and Finishers](https://foundation.org.ai/occupations/51-9195.04): 16 tasks - [Grinding and Polishing Workers, Hand](https://foundation.org.ai/occupations/51-9022.00): 17 tasks - [Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4033.00): 18 tasks - [Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4191.00): 23 tasks - [Helpers--Production Workers](https://foundation.org.ai/occupations/51-9198.00): 30 tasks - [Hydroelectric Plant Technicians](https://foundation.org.ai/occupations/51-8013.04): 21 tasks - [Inspectors, Testers, Sorters, Samplers, and Weighers](https://foundation.org.ai/occupations/51-9061.00): 31 tasks - [Jewelers and Precious Stone and Metal Workers](https://foundation.org.ai/occupations/51-9071.00): 29 tasks - [Lathe and Turning Machine Tool Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4034.00): 18 tasks - [Laundry and Dry-Cleaning Workers](https://foundation.org.ai/occupations/51-6011.00): 23 tasks - [Layout Workers, Metal and Plastic](https://foundation.org.ai/occupations/51-4192.00): 14 tasks - [Machinists](https://foundation.org.ai/occupations/51-4041.00): 29 tasks - [Meat, Poultry, and Fish Cutters and Trimmers](https://foundation.org.ai/occupations/51-3022.00): 12 tasks - [Medical Appliance Technicians](https://foundation.org.ai/occupations/51-9082.00): 15 tasks - [Metal Workers and Plastic Workers, All Other](https://foundation.org.ai/occupations/51-4199.00): no tasks listed - [Metal-Refining Furnace Operators and Tenders](https://foundation.org.ai/occupations/51-4051.00): 15 tasks - [Milling and Planing Machine Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4035.00): 15 tasks - [Mixing and Blending Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-9023.00): 20 tasks - [Model Makers, Metal and Plastic](https://foundation.org.ai/occupations/51-4061.00): 16 tasks - [Model Makers, Wood](https://foundation.org.ai/occupations/51-7031.00): 14 tasks - [Molders, Shapers, and Casters, Except Metal and Plastic](https://foundation.org.ai/occupations/51-9195.00): 24 tasks - [Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4072.00): 29 tasks - [Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4081.00): 21 tasks - [Nuclear Power Reactor Operators](https://foundation.org.ai/occupations/51-8011.00): 19 tasks - [Ophthalmic Laboratory Technicians](https://foundation.org.ai/occupations/51-9083.00): 18 tasks - [Packaging and Filling Machine Operators and Tenders](https://foundation.org.ai/occupations/51-9111.00): 20 tasks - [Painting, Coating, and Decorating Workers](https://foundation.org.ai/occupations/51-9123.00): 9 tasks - [Paper Goods Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-9196.00): 14 tasks - [Patternmakers, Metal and Plastic](https://foundation.org.ai/occupations/51-4062.00): 15 tasks - [Patternmakers, Wood](https://foundation.org.ai/occupations/51-7032.00): 20 tasks - [Petroleum Pump System Operators, Refinery Operators, and Gaugers](https://foundation.org.ai/occupations/51-8093.00): 24 tasks - [Photographic Process Workers and Processing Machine Operators](https://foundation.org.ai/occupations/51-9151.00): 27 tasks - [Plant and System Operators, All Other](https://foundation.org.ai/occupations/51-8099.00): no tasks listed - [Plating Machine Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4193.00): 33 tasks - [Potters, Manufacturing](https://foundation.org.ai/occupations/51-9195.05): 23 tasks - [Pourers and Casters, Metal](https://foundation.org.ai/occupations/51-4052.00): 16 tasks - [Power Distributors and Dispatchers](https://foundation.org.ai/occupations/51-8012.00): 14 tasks - [Power Plant Operators](https://foundation.org.ai/occupations/51-8013.00): 30 tasks - [Prepress Technicians and Workers](https://foundation.org.ai/occupations/51-5111.00): 15 tasks - [Pressers, Textile, Garment, and Related Materials](https://foundation.org.ai/occupations/51-6021.00): 28 tasks - [Print Binding and Finishing Workers](https://foundation.org.ai/occupations/51-5113.00): 25 tasks - [Printing Press Operators](https://foundation.org.ai/occupations/51-5112.00): 23 tasks - [Production Workers, All Other](https://foundation.org.ai/occupations/51-9199.00): no tasks listed - [Rolling Machine Setters, Operators, and Tenders, Metal and Plastic](https://foundation.org.ai/occupations/51-4023.00): 19 tasks - [Sawing Machine Setters, Operators, and Tenders, Wood](https://foundation.org.ai/occupations/51-7041.00): 22 tasks - [Semiconductor Processing Technicians](https://foundation.org.ai/occupations/51-9141.00): 20 tasks - [Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-9012.00): 20 tasks - [Sewers, Hand](https://foundation.org.ai/occupations/51-6051.00): 11 tasks - [Sewing Machine Operators](https://foundation.org.ai/occupations/51-6031.00): 26 tasks - [Shoe and Leather Workers and Repairers](https://foundation.org.ai/occupations/51-6041.00): 26 tasks - [Shoe Machine Operators and Tenders](https://foundation.org.ai/occupations/51-6042.00): 19 tasks - [Slaughterers and Meat Packers](https://foundation.org.ai/occupations/51-3023.00): 14 tasks - [Stationary Engineers and Boiler Operators](https://foundation.org.ai/occupations/51-8021.00): 25 tasks - [Stone Cutters and Carvers, Manufacturing](https://foundation.org.ai/occupations/51-9195.03): 16 tasks - [Structural Metal Fabricators and Fitters](https://foundation.org.ai/occupations/51-2041.00): 23 tasks - [Tailors, Dressmakers, and Custom Sewers](https://foundation.org.ai/occupations/51-6052.00): 22 tasks - [Team Assemblers](https://foundation.org.ai/occupations/51-2092.00): 11 tasks - [Textile Bleaching and Dyeing Machine Operators and Tenders](https://foundation.org.ai/occupations/51-6061.00): 23 tasks - [Textile Cutting Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-6062.00): 18 tasks - [Textile Knitting and Weaving Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-6063.00): 19 tasks - [Textile Winding, Twisting, and Drawing Out Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-6064.00): 23 tasks - [Textile, Apparel, and Furnishings Workers, All Other](https://foundation.org.ai/occupations/51-6099.00): no tasks listed - [Timing Device Assemblers and Adjusters](https://foundation.org.ai/occupations/51-2061.00): 17 tasks - [Tire Builders](https://foundation.org.ai/occupations/51-9197.00): 20 tasks - [Tool and Die Makers](https://foundation.org.ai/occupations/51-4111.00): 17 tasks - [Tool Grinders, Filers, and Sharpeners](https://foundation.org.ai/occupations/51-4194.00): 18 tasks - [Upholsterers](https://foundation.org.ai/occupations/51-6093.00): 22 tasks - [Welders, Cutters, Solderers, and Brazers](https://foundation.org.ai/occupations/51-4121.00): 30 tasks - [Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders](https://foundation.org.ai/occupations/51-4122.00): 29 tasks - [Woodworkers, All Other](https://foundation.org.ai/occupations/51-7099.00): no tasks listed - [Woodworking Machine Setters, Operators, and Tenders, Except Sawing](https://foundation.org.ai/occupations/51-7042.00): 25 tasks ## Where this comes from Quoted from O*NET 29.0, U.S. Department of Labor, Employment and Training Administration, under CC BY 4.0: free to copy and reuse, with credit. Nothing on this page is written by the Org.AI Foundation.