11. Oklahoma
Annual median wage: $79,930
Rank by annual median wage: 27
Job growth: 15.7%
Rank by job growth: 26
Cost of living index: 88.6
Rank by cost of living index: 5
Average score: 19.33
We are continuing our list of best states for environmental engineers with Oklahoma, which is the fifth cheapest state in America, offers a salary that is a little below the national average and 15.7% job growth for the occupation, i.e. 20 new posts per year by 2024.