Water Process Engineer Salary in Seattle, WA.
Updated on: Jan 14, 2026
How much does a Water Process Engineer make in Seattle, WA?
The average Water Process Engineer in Seattle, WA makes $170,163,
51% above the national average Water Process Engineer salary of $112,504.
This pay is 16% greater than the combined average salaries of other metroes San Jose, CA, Houston, TX, and Denver, CO.
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Water Process Engineer Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals