Water/Wastewater Engineers Salary in Washington
Water/Wastewater Engineers in Washington earn a median of $110,000 a year, +9% compared with the U.S. median. Figures are for the broader BLS group “Civil Engineers”.
Updated October 2026 · Data: BLS OEWS May 2025 · How we match careers
- Median pay
- $110,000
- vs. U.S. median
- +9% ($100,840)
- Rank among states
- 3 of 51
- Jobs in the state
- 12,590
Pay range in Washington
The lowest-paid 10% earn under $81,840; the top 10% earn over $160,670. Nationally the range is $68,240 to $163,220.
States ranked near Washington
Similar jobs in Washington
- Environmental Engineers$125,460 median in Washington
- Energy Engineers, Except Wind and Solar$134,570 median in Washington (broader BLS group)
- Fire-Prevention and Protection Engineers$126,590 median in Washington (broader BLS group)
- Wind Energy Engineers$134,570 median in Washington (broader BLS group)
- Water Resource Specialists$182,480 median in Washington (broader BLS group)
- Transportation Engineers$110,000 median in Washington (broader BLS group)
Water/Wastewater Engineers pay in Washington
How much do water/wastewater engineers make in Washington?
The median is $110,000 a year. The lowest-paid 10% earn under $81,840 and the top 10% earn over $160,670. BLS OEWS May 2025.
Is Washington a good state for water/wastewater engineers?
On pay alone it ranks 3 of 51 (+9% vs. the national median of $100,840). Living costs are not included.