Know your market value with insights across roles — from individual contributors to executive pay and overall company compensation trends.
Access a suite of powerful calculators to make data-driven career decisions.
Automate pay cycles, manage job architectures, and ensure pay equity with AI-powered compensation platforms.
Access validated salary benchmarks, labor market trends, and minimum wage data to stay competitive.
Participate in and purchase industry-specific salary surveys to obtain the most accurate, peer-reported pay data.
As of August 01, 2026, the average salary for a Wastewater Plant Operator in Washington is $60,947 per year, which breaks down to an hourly rate of $29.
However, a Wastewater Plant Operator's salary can vary significantly. Here’s a look at the typical salary range:
Compensation Planning
Develop a Job Description
Pay Equity
2026 Compensation Trend
AI-Powered HR
AI Onboarding
Wastewater Plant Operator Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $68,537 | $5,711 | $1,318 | $33 |
| Average | $60,947 | $5,079 | $1,172 | $29 |
| 25th Percentile | $53,620 | $4,468 | $1,031 | $26 |
Aerotek - , WA
Government Jobs - Oak Harbor, WA
City of Colville - Colville, WA
HKA Enterprises - Walla Walla, WA
A Wastewater Plant Operator'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 and company size can directly affect your earning potential.
Experience is a primary driver of a Wastewater Plant Operator'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 |
|---|---|
| Waste Wat... Level Wastewater Plant Operator | $54,804 |
| Wastewate... Level Wastewater Plant Operator | $61,456 |
| Waste Wat... Level Wastewater Plant Operator | $69,275 |
| Waste Wat... Level Wastewater Plant Operator | $106,086 |
| Waste Wat... Level Wastewater Plant Operator | $121,046 |
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 Wastewater Plant Operators. For example, consider the average annual salaries in these key locations:
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:
For Wastewater Plant Operator roles, the industry you choose can affect earning potential by as much as 55% (the gap between the highest and lowest paying industries). Data shows that the MFG Nondurable and Edu., Gov't. & Nonprofit sectors offer the strongest compensation, at 25% above the average. In contrast, Wastewater Plant Operator positions in Retail & Wholesale or Aerospace & Defense typically offer lower base pay, as these industries often view Wastewater Plant Operator as a support function rather than a direct revenue driver.
| Industry Sector | Average Annual Salary | Average Hourly Rate | Pay vs.Avg |
|---|---|---|---|
| MFG Nondurable | $76,184 | $37.0 | 25% |
| Edu., Gov't. & Nonprofit | $73,137 | $35.0 | 20% |
| MFG Durable | $70,089 | $34.0 | 15% |
| Biotechnology | $67,042 | $32.0 | 10% |
| Energy & Utilities | $63,995 | $31.0 | 5% |
Understanding how a Wastewater Plant Operator'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.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $68,537 | $5,711 | $1,318 | $33 |
| Average | $60,947 | $5,079 | $1,172 | $29 |
| 25th Percentile | $53,620 | $4,468 | $1,031 | $26 |
Ready to take the next step in your career? Browse thousands of current Wastewater Plant Operator job openings on our job board. Use the search bar below to find your perfect match.
Government Jobs
Pasco, WA
Government Jobs | Pasco, WA
Government Jobs - - $67,516.80 - $76,024.00 Annually THE CITY OF PASCO: Situated between the pristine Columbia and iconic Snake Rivers in southeastern Wash... more
4 Days Ago
Government Jobs
Maple Valley, WA
Government Jobs | Maple Valley, WA
Government Jobs - Special Duty Assignment or Term Limited Temp (TLT) - $37.14 - $45.10 Hourly Work-life Balance : If you are looking for a job that values ... more
4 Days Ago
Central Manufacturing, Inc.
Wenatchee, WA
Central Manufacturing, Inc. | Wenatchee, WA
Job OverviewCentral Manufacturing, Inc is seeking a dedicated and skilled Plant Operator to join our team in Wenatchee, WA.This individual will also travel... more
2 Days Ago
Heidelberg Materials
Everett, WA
Heidelberg Materials | Everett, WA
Line of Business:Other AGG About Us Heidelberg Materials is one of the world's largest suppliers of building materials.Heidelberg Materials North America o... more
2 Days Ago
Adm
Spokane, WA
Adm | Spokane, WA
105969BRJob Title:Plant Operator - Spokane, WADepartment/Function:Operations:Manufacturing, Production, Maintenance, UtilitiesJob Description:Operator - Sp... more
6 Days Ago
Government Jobs
Seattle, WA
Government Jobs | Seattle, WA
Government Jobs - Career Service, Full Time, 40 hrs/week - $36.37 - $50.70 Hourly This is a competitive posting and the position is open to ALL qualified c... more
4 Days Ago
Get a Salary Increase
Analyze the market and your qualifications to negotiate your salary with confidence.
Search Job Openings
Search thousands of open positions to find your next opportunity.
Adjust Employee Salary
Individualize employee pay based on unique job requirements and personal qualifications.
Price My Industry Jobs
Get the latest market price for benchmark jobs and jobs in your industry.
Use Salary.com's Cost of Living Calculator to find out what income you need to maintain your standard of living in a different city and how much more or less money you need to budget for basic expenses.
Explore Cost of Living CalculatorSalary.com experts will help you thrive your workplaces.
Salary.com provides salary survey data for thousands of industry Jobs.
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.
Salary.com's CompAnalyst platform offers:
