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Wastewater Treatment Plant Supervisor Salary in Denver, CO

How much does a Wastewater Treatment Plant Supervisor make in Denver, CO?

As of October 01, 2026, the average salary for a Wastewater Treatment Plant Supervisor in Denver, CO is $96,862 per year, which breaks down to an hourly rate of $47.

However, a Wastewater Treatment Plant Supervisor's salary can vary significantly. Here’s a look at the typical salary range:

  • Top Earners (90th percentile): $115,419
  • Majority Range (25th-75th percentile): $86,565 to $106,575
  • Entry-Level (10th percentile): $77,190

Key Factors That Influence Wastewater Treatment Plant Supervisor Salaries

A Wastewater Treatment Plant Supervisor's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location, skills and company size can directly affect your earning potential.

How Experience Level Affects Wastewater Treatment Plant Supervisor Salaries?

Experience is a primary driver of a Wastewater Treatment Plant Supervisor's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:

  • Entry-Level (less than 1 year): $93,020
  • Early Career (1-2 years): $93,481
  • Mid-Level (2-4 years): $94,556
  • Senior-Level (5-8 years): $95,786
  • Expert (over 8 years): $97,877
Levels Salary
Entry Level Wastewater Treatment Plant Supervisor$93,020
Intermediate Level Wastewater Treatment Plant Supervisor$93,481
Senior Level Wastewater Treatment Plant Supervisor$94,556
Specialist Level Wastewater Treatment Plant Supervisor$95,786
Expert Level Wastewater Treatment Plant Supervisor$97,877

Top Paying Cities for Wastewater Treatment Plant Supervisors

Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:

  • San Jose: $119,835
  • San Francisco: $118,523
  • Oakland: $116,025

What Skills Can Increase a Wastewater Treatment Plant Supervisor's Salary?

Demanded Skills for the Role:

  • Project Management (Mentioned in 7.58% Job Postings): Project management is the application of processes, methods, skills, knowledge and experience to achieve specific project objectives according to the project acceptance criteria within agreed parameters. Project management has final deliverables that are constrained to a finite timescale and budget.
  • Civil Engineering (Mentioned in 2.02% Job Postings): Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewerage systems, pipelines, structural components of buildings, and railways. Civil engineering is traditionally broken into a number of sub-disciplines. It is considered the second-oldest engineering discipline after military engineering, and it is defined to distinguish non-military engineering from military engineering. Civil engineering takes place in the public sector from municipal through to national governments, and in the private sector from individual homeowners through to international companies.
  • Quality Control (Mentioned in 1.52% Job Postings): Developing and implementing a set of procedures intended to maintain the quality of a product and reduce any risks or errors.
Skills Demand Percentage
Project Management 7.58%
Civil Engineering 2.02%
Quality Control 1.52%

What skills can make your compensation higher?

Mastering certain specialized skills can lead to a significant increase in pay. Here are examples of skills and the potential impact they can have on a Wastewater Treatment Plant Supervisor's salary.

  • Client Relationship: Can increase your salary by up to 29%.
  • Business Development: Can increase your salary by up to 20%.
  • Client Management: Can increase your salary by up to 18%.
Skill Salary Salary % Increase
Client Relationship $124,952
29%
Business Development $116,234
20%
Client Management $114,297
18%

Wastewater Treatment Plant Supervisor Salary by Company Size: Startups vs. Enterprise

Wastewater Treatment Plant Supervisor salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $107,934. While startup companies pay approximate $91,490.

Wastewater Treatment Plant Supervisor Salary by Company Size

Company Size Employees Average Salary
Startup 1~50 $91,490
Growth Stage 51~500 $96,706
Established 501~5000 $104,247
Enterprise 5000+ $107,934

Wastewater Treatment Plant Supervisor Salary by Industry: Top Paying Sectors

For Wastewater Treatment Plant Supervisor roles, the industry you choose can affect earning potential by as much as 35% (the gap between the highest and lowest paying industries). Data shows that the Energy & Utilities and MFG Durable sectors offer the strongest compensation, at 20% above the average. In contrast, Wastewater Treatment Plant Supervisor positions in Transportation or Hospitality & Leisure typically offer lower base pay, as these industries often view Wastewater Treatment Plant Supervisor as a support function rather than a direct revenue driver.

The top paying industries for a Wastewater Treatment Plant Supervisor

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Energy & Utilities$114,011$55.020%
MFG Durable$107,360$52.013%
Aerospace & Defense$104,510$50.010%
Biotechnology$102,610$49.08%
Healthcare$99,759$48.05%

Wastewater Treatment Plant Supervisor Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a Wastewater Treatment Plant Supervisor's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.

Last Updated on October 01, 2026
$86,565
Average $96,862/year
$106,575
$7,214
Average $8,072/month
$8,881
$1,665
Average $1,863/week
$2,050
$42
Average $47/hour
$51
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $106,575 $8,881 $2,050 $51
Average $96,862 $8,072 $1,863 $47
25th Percentile $86,565 $7,214 $1,665 $42

Wastewater Treatment Plant Supervisor Salary Growth & Career Path

For a Wastewater Treatment Plant Supervisor, the most direct path to higher earnings is advancing to the Wastewater Treatment Plant Manager role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $110,532 - a projected growth of 14% over your current level.

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Where Does Our Salary Data Come From?

Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.

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