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Treatment Plant Mechanic Salary in Trenton, Ontario

How much does a Treatment Plant Mechanic make in Trenton, Ontario?

$68,209 (CAD)/year

Average Bonus

$1,146 (CAD)

per Year
Total Compensation

$68,549.91

As of July, 23, 2026, the average treatment plant mechanic gross salary in Trenton, Ontario is $68,209 or an equivalent hourly rate of $33. In addition, treatment plant mechanics earn an average bonus of $1,146. An entry level treatment plant mechanic with 1-3 years of experience earns an average salary of $50,030. At the higher end of the pay range, a senior level treatment plant mechanic with 8+ years of experience earns an average salary of $76,039. Salary estimates are based on salary survey data collected directly from employers in Trenton, Ontario.
Data powered by ERI

Salary Potential for a Treatment Plant Mechanic

Explore the estimated salary growth for a Treatment Plant Mechanic in Trenton, Ontario for up to 5 years. The estimated salary of a Treatment Plant Mechanic will be $69,948 in 1 year and $77,359 in 5 years.
View Salary by Year
Estimated Salary
$71,731
Average Growth
5.2 %
The estimated salary for a Treatment Plant Mechanic in 2 years is $71,731, which is 5.2 % average growth. This information is based on ERI's compensation database.

Typical Treatment Plant Mechanic Education

This chart displays the highest level of education for Treatment Plant Mechanics.

  • 0% of Treatment Plant Mechanics have less than a High School Diploma
  • 100% of Treatment Plant Mechanics have a High School Diploma
  • 0% of Treatment Plant Mechanics have an Associate's Degree
  • 0% of Treatment Plant Mechanics have a Bachelor's Degree
  • 0% of Treatment Plant Mechanics have a Master's Degree
  • 0% of Treatment Plant Mechanics have a Doctorate Degree

The typical field of study for a Treatment Plant Mechanic is Industrial Mechanics and Maintenance Technology Training.

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Popular Skills for a Treatment Plant Mechanic

Skills data not available for this job

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Treatment Plant Mechanic Salaries in Other Locations

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Cost of Living in Trenton, Ontario

The cost of living in Trenton, Ontario is 11% higher than the national average.
Cost of living trend higher
11% higher
than the national average
Whether you're planning to move or just want to see the cost of living in different locations, our cost-of-living calculator is the place to start. Compare salaries for other locations by city, U.S. ZIP code, state, or country.
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Frequently Asked Questions

What does a Treatment Plant Mechanic do?
Maintains and repairs machines and equipment used to process and distribute water for human consumption and industrial use: dismantles, or partially dismantles electric motors, turbines, pumps, hydraulic valves, chlorinators, limers, meters, gauges, and other equipment, to gain access to or remove faulty parts, using hand and power tools, such as wrenches, screwdrivers, and hoists. Repairs or replaces defective parts. Inspects machines and equipment periodically, lubricating moving parts, or replacing worn parts to prevent breakdown or malfunctioning. May operate plant equipment to process and distribute water water-treatment-plant operator (waterworks).
How much does a Treatment Plant Mechanic make in Trenton, Ontario?
The average salary for a Treatment Plant Mechanic is $68,209 per year or $32.79 per hour in Trenton, Ontario. Top earners have reported making up to $76,039. However, the typical pay range in Trenton, Ontario is between $50,030 and $76,039 annually.
What is the salary trajectory for a Treatment Plant Mechanic?
Treatment Plant Mechanic is projected to see a 13.4 % salary change in 5 years.
How can you increase your salary?
Increasing your salary often starts with understanding your value in today’s job market. You can increase your earning potential by building your skills, advancing your education, moving into a new role or industry, switching companies, or negotiating pay.
How can you negotiate a salary offer? 
Negotiating a salary offer involves preparation and finding our your market value. Use our salary calculator to find out how much you should be paid based on what someone in your area, with similar experience, earns. Use this personalized report to help negotiate a higher salary offer or find your dream career. 
What are some factors that impact Treatment Plant Mechanic salaries? 
Several factors can impact your salary, including experience, company size, job market, location, industry, and more. Understanding how these factors affect your role can help you spot pay gaps and provide opportunities for a competitive salary.

About Our Data

This page is an excerpt of the much more complete compensation information available in ERI's Assessor Series.

ERI compiles the most robust and accurate salary, cost-of-living, and executive compensation survey database available. Data are analyzed using AI and traditional statistics, depending on which approach is best for a particular application. ERI collects salary survey data from five different sources, which you can learn about here.

Verified Sources
Data sourced from internal salary surveys, purchased surveys, public sources, HRIS data, and proprietary databases.
Real-Time Data
Our salary database is updated and verified approximately every six weeks.
Quality Assurance
Along with our data scientists, we have included AI in our rigorous process to analyze and provide the highest quality data.

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