State comparison · 2025

Environmental Engineers salary: Colorado vs Washington

Environmental Engineers in Washington earn a median of $125,460. In Colorado, $106,890. After cost-of-living, the gap is 11.6% — not 14.8%.

Nominal pay gap

-14.8%

Colorado vs Washington

COL-adjusted gap

-11.6%

After BEA Regional Price Parities

Colorado

Environmental Engineers

Median: $106,890
p25: $83,500
p75: $131,550
p10: $66,390
p90: $165,870
COL index (BEA RPP)100 = US average: 103.1
Hiring velocity (180d): +350%

See full breakdown for Colorado →

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): +120%

See full breakdown for Washington →

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.