Wastewater Plant Operator License in Washington
Quick Answer
To obtain a Wastewater Plant Operator in Washington, review the requirements from Department of Ecology.
- Background Check
- Required
Requirements
Wastewater Plant Operator license in Washington
Wastewater Plant Operator Salary in Washington
Entry Level
$65,110
Median
$89,170
Experienced
$121,520
Source: Bureau of Labor Statistics. Salary data is for informational purposes only.
How to Get Licensed
Step-by-step roadmap to becoming a licensed Wastewater Plant Operator in Washington.
- 1
Complete Education Requirements
Degree required
- 2
Submit Background Check
No criminal record prohibitions
- 3
Pass the Required Exam
State exam required
- 4
Submit Your Application
File your application with the licensing agency.
- 5
Receive Your License
Processing times vary. Check with your state licensing board for current timelines.
Considering another state?
Compare Wastewater Plant Operator requirements across states.
View all states →Data from CareerOneStop (DOLETA/DEED). Last updated: February 14, 2026.