State comparison · 2025
Environmental Engineers salary: Louisiana vs Washington
Environmental Engineers in Louisiana earn a median of $130,510. In Washington, $125,460. After cost-of-living, the gap is 26.2% — not 4%.
Nominal pay gap
+4%
Louisiana vs Washington
COL-adjusted gap
+26.2%
After BEA Regional Price Parities
Louisiana
Environmental Engineers
- Median
- $130,510
- p25
- $99,490
- p75
- $171,630
- p10
- $76,500
- p90
- $201,300
- COL index (BEA RPP)100 = US average
- 88.2
- Hiring velocity (180d)
- +100%
Washington
Environmental Engineers
- Median
- $125,460
- p25
- $100,200
- p75
- $161,250
- p10
- $80,660
- p90
- $175,610
- COL index (BEA RPP)100 = US average
- 107.0
- Hiring velocity (180d)
- -37%
BLS Occupational Employment and Wage Statistics, May 2025. Cost-of-living adjustment from BEA Regional Price Parities (overall index). Hiring velocity from DOL OFLC public disclosure data, recent 180 days vs prior. See methodology.