Water Treatment Plant Mechanic Job Description

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Under the supervision of the Water Production Maintenance Supervisor, performs skilled work in the maintenance and repair of water treatment equipment and facilities.  Work involves the responsibility for performing tasks to maintain efficient operations of the water treatment plant and related facilities.  Work assignments may arise as a result of equipment breakdowns, inspections, preventative maintenance procedures, or specific instructions from supervisor.  Work requires mental abilities as well as physical activities such as lifting, bending, carrying, pushing, pulling, and working around operating equipment.  Work is reviewed in progress and/or upon completion. Performs many other duties.




Repairs or rebuilds plant equipment such as pumps, valves, gear drives, chemical feed units, valve actuators, gasoline and diesel powered equipment; use of all kinds of hand or power driven tools in maintenance of this equipment.

Maintenance of building and equipment of the water plant and booster stations; this includes much plumbing, fabrication, and repairs; PVC piping is used mostly, but also some galvanized copper, cast iron, ductile and black iron piping; welding equipment is used in may of these maintenance procedures.

Work with chlorine and ammonia gas supply system; this includes changing of chlorine gas cylinders at the water plant and booster stations; repair pressure and vacuum systems, chlorinators, rotameters, and related equipment; repair other chemical supply and pumping systems.

Maintenance and repairs of sludge filter press facility and related plumbing and pumps used of front-end loader in maintaining sludge dump facility; cleaning of sludge from two filter backwash ponds.

Maintain records and inventory of oil and lubricants.




High school diploma or GED. Four (4) years of experience in the preventative maintenance, rehabilitation, and repair of pumps, valves, conveyors, hydraulic systems, and chemical feed equipment associated with water treatment plants. Must possess a State of Florida Class “B” commercial driver’s license with air brake endorsement. Applicants who do not currently possess a Class “B” CDL with air brake endorsement must acquire a learner’s permit within 3 months of hire and obtain the license within 6 months of hire. Applicants who possess an out of state driver’s license must obtain a Florida license within 10 days of employment. Must pass a skills test.


Knowledge of the standard practices, methods, tools, materials of the mechanical trade, hazards, and precautionary measures. 

Knowledge of the principles of operation, maintenance, and repair of pumps, valves, and related mechanical and electrical equipment.

Ability to work from sketches, read symbols, follow oral and written instructions.

Ability to post and maintain adequate records associated with the daily maintenance operations using Windows operating system and associated software


Ability to see, read, print, and draw letters, numbers, words, characters, and symbols, both large and small.

Ability to hear normal conversations and communicate clearly, both orally and written.

Ability to learn, understand, remember, and complete normal tasks without assistance.

Ability to operate and maintain mechanical equipment such as automobiles, pickup trucks, front-end loader, dump truck, fork lift, back hoe, farm-type tractors, outboard power boat, lifting devices, portable pumps, etc.

Ability to work in adverse environmental weather conditions (day or night).

Ability to work around chemicals used in maintenance of facilities and water treatment processes.

Ability to identify and distinguish colors.

Ability to lift and carry 50 pounds safely.

Ability to sit, stand or walk for periods longer than 30 minutes.

Ability to safely operate outboard motor and boat in any type of weather conditions, at anytime of day, to maintain raw water intake structure on the lake.

Ability to work in confined or closed spaces.

Ability to climb stairs four stories high.

Ability to work on top of tall structures, such as silos and water tanks.

Ability to climb ladders up to 35 feet high.

Ability to use all required personal protective equipment to include the correct breathing respirator for hazardous work environments.

Ability to work, walk, and stand on unstable soil conditions.

Ability to work shift work.



This job description is not intended to be and should not be construed as an all-inclusive list of all the responsibilities, skills or working conditions associated with the position.  While it is intended to accurately reflect the position activities and requirements, management reserves the right to modify, add or remove duites and assign other duties as necessary.  This job description does not constitute a written or implied contract of employment.

Revised - 8/29/2017