Water Plant Operator

Qualifications

II. Education Requirements

• High school diploma or G.E.D is required.
• Must have oral and written communication skills in English to at least the 9th grade level (to include correct spelling).
• Enrollment in a course leading to Class “D” certificate of competency from Texas Commission on Environmental Quality within one year of date of hire.
• Must obtain a “D” certification from the Texas Commission on Environmental Quality within one (1) year from the date of hire. Must obtain a “C” surface water certification within two (2) years from the date of hire. The inability to obtain either certificate will be grounds for immediate termination.

III. Employment Requirements

• Applicant will be subject to a complete background investigation. Incomplete, inaccurate and/or failure to report information will cause the applicant rejection from consideration.
• Applicant must take and pass a drug, physical, and pre-placement screenings administered by the City of Mission doctor at the City’s expense.
• Applicant must have a current valid class “C” driver’s license from the Department of Public Safety with no more than two (2) moving traffic violations within the past two (2) years.
• Applicant must meet all other department and City employment standards

IV. Skill and Ability Requirements

• Ability to skillfully use equipment and machines within the water plant.
• Accept responsibility for the accuracy of one’s work.
• Ability to work outdoors and indoors as necessary.
• Ability to make decisions based on information that can be measured or verified.
• Ability to understand principles of water technology.
• Ability to use eyes, hands and fingers to operate and adjust delicate equipment and hand valves and measuring equipment.
• Ability to determine volume measurements based on standards that can be measured or checked.
• Ability in record keeping and logging of data.
• Ability to use math skills to count, measure or keep inspection records.
• Ability to analyze water content with lab equipment provided.
• Ability to follow a specific work schedule as directed, working two twelve hour days rotating shifts.

V. Essential Job Functions

• Maintains City of Mission water system under close supervision via visual and manual inspection.
• Effects control of treatment plant through computer monitoring and manual resets in order to purify and clarify water for human consumption and industrial use.
• Connect and disconnect chlorine gas.
• Operates and controls water pumps by turning gate valves to regulate flow of raw water into treatment plant.
• Adjusts automatic devices turning knobs to admit specified amount of chemicals into tanks to disinfect, deodorize and clarify water.
• Releases specified amounts of chemicals such as chlorine, ammonia and aluminum into water.
• Turn on and off switches to pump water into water mains.
• Monitors computer panel board and adjusts controls to regulate flow rates, loss of high pressure, water regulation and distribution of water.
• Perform all job functions with special attention placed on good public relations, safety, and proper office procedures in compliance with city policies.
• Cleans tanks and filter beds using back washing, drain sludge basin by operating gate valves.
• Repairs and lubricates machines and equipment using hand tools and power tools.
• Walks down pipe gallery stairs to collect water samples to perform daily laboratory tests to determine acidity, color and impurities in accordance with a regular parameter.
• Documents chemicals administered to water supply on a chemical worksheet log.
• Must be able to use SCBA (self contained breathing apparatus.)
• Mow front lawn of water plant on a riding mower.

VI. Non-Essential Job Functions

• None

Miscellaneous Information

VII. Equipment/Materials

• Safety equipment/materials to include but not limited to the following: NTV Meters, Chemical Feeders, PH Meters, Lab Equipment
• Personal Computer, Keyboard, Printer, Scanner, Mouse
• City Vehicle, Two-way radio, Telephone, Cell phone
• Shovel, Gasoline container, Lawn mower
• Pens, Pencils, Highlighters, Stapler, Clip board,
• City ID, Uniform, Safety vest, Hart Hat
• Policy and Procedure handbook

VIII. Work Environment

• Exposure to the following environmental conditions are required for this job.

IX. Manual Dexterity

• Both fine and gross hand manipulation is required to perform job functions. Gross hand manipulation is utilized to grip five gallon containers, while fine finger dexterity is utilized to activate button on control panels.

Job Details

Category Regular Full-Time

Status Open

Salary $14.21

Posted August 18, 2026

Closing Open Until Filled

Tools

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