As of August 01, 2026, the average salary for a Water Treatment Engineer in the United States is $79,865 per year, which breaks down to an hourly rate of $38.
However, a Water Treatment Engineer's salary can vary significantly. Here’s a look at the typical salary range:
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A Water Treatment Engineer'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, education and company size can directly affect your earning potential.
Experience is a primary driver of a Water Treatment Engineer'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:
| Levels | Salary |
|---|---|
| Financial... Level Water Treatment Engineer | $68,844 |
| Water Tre... Level Water Treatment Engineer | $81,069 |
| Financial... Level Water Treatment Engineer | $97,162 |
| Financial... Level Water Treatment Engineer | $117,131 |
| Financial... Level Water Treatment Engineer | $151,069 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Water Treatment Engineers. For example, consider the average annual salaries in these key locations:
Demanded Skills for the Role:
| Skills | Demand Percentage |
|---|---|
| Analysis | 16.33% |
| Financial Planning | 1.61% |
| CPA | 1.05% |
| Skill | Salary | Salary % Increase |
|---|---|---|
|
Consulting
|
$84,656 |
6%
|
|
Insight
|
$83,059 |
4%
|
|
Project Management
|
$83,059 |
4%
|
|
Collaboration
|
$82,260 |
3%
|
|
Leadership
|
$82,260 |
3%
|
|
SQL
|
$82,260 |
3%
|
For Water Treatment Engineer roles, the industry you choose can affect earning potential by as much as 10% (the gap between the highest and lowest paying industries). Data shows that the Aerospace & Defense and Business Services sectors offer the strongest compensation, at 5% above the average. In contrast, Water Treatment Engineer positions in Transportation or Software & Networking typically offer lower base pay, as these industries often view Water Treatment Engineer as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| Aerospace & Defense | $83,858 | $40.0 | 5% |
| Business Services | $83,858 | $40.0 | 5% |
| Construction | $83,858 | $40.0 | 5% |
| Energy & Utilities | $83,858 | $40.0 | 5% |
| Healthcare | $83,858 | $40.0 | 5% |
Your level of education can impact your salary potential. While many Water Treatment Engineers enter the field with a Bachelor's Degree degree, higher education can lead to more specialized and higher-paying roles.
According to our 100% employer-reported salary data, the median salary for a Water Treatment Engineer with a Bachelor's Degree is between $77,760 and $82,194).
Water Treatment Engineer Salaries by Degree Level
| Degree Level | % of user with this level of education |
|---|---|
| No Diploma | 1.4% |
| High School | 1.4% |
| Associates | 1.5% |
| Bachelors | 52.3% |
| Masters | 44.3% |
| Doctorate | 0.5% |
Understanding how a Water Treatment Engineer'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 August 01, 2026Salaries for a Water Treatment Engineer can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $75,097 in 2023 to around $74,781 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Water Treatment Engineer salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 |
View More
|
| 2023 | $75,097 |
| 2024 | $75,165 |
| 2025 | $74,781 |
| 2026 |
View More
|
| 2027 |
View More
|
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The Aerospace & Defense industry offers the highest average compensation for Water Treatment Engineer roles, with salaries approximately 5% above the market median.
Salary.com provides salary estimates, histograms, trends, and comparisons using data from employer job postings and third-party sources.
We offer detailed salary information across multiple percentiles for your reference. (Click here to learn Why the Salary Midpoint Formula Is Crucial for Achieving Pay Equity.)
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