Senior Environmental Engineer salary in Chicago, IL

Based on 12 certified H-1B filings at DOL wage level III in the Chicago-Naperville-Elgin, IL-IN metro area, FY2025–FY2026. Includes Lemont, Oak Brook, Itasca, Lombard, Naperville.

Median salary$115,625
Middle 50%$109.2k–$124k
vs. all levels here+5%comparison median $109,717
Filings12FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $92,994 and $136,773.
PercentileSalary
10th$96,054
25th$109,216
50th (median)$115,625
75th$124,048
90th$133,856

Cost of living

Chicago's median senior Environmental Engineer salary of $115,625 is worth about $111,600 at national average prices.

Source: BEA Regional Price Parities, 2024 (U.S. = 100; Chicago = 103.6).

Compared with all workers here

All Environmental Engineers in the Chicago, IL area earned a median of $110,700 in May 2025 (660 employed). The H-1B median here is $115,625, 4% higher.

Source: U.S. Bureau of Labor Statistics, OEWS metropolitan area estimates. BLS wages include some incentive pay; H-1B figures are base salary.

Employers filing at this level

EmployerMedianFilings
UChicago Argonnetoo few6

Employers with at least 2 filings here. Median shown at 10+ filings.

By experience level

Wage levelMedianFilings
Entry-level · Level I too few 3
Mid-level · Level II too few 5
Senior · Level III $115,625 12
Expert · Level IV too few 3

Median shown when a level has at least 10 filings.

Minimum H-1B salary by level

Wage levelPrevailing wage (most common)Median offered salaryFilings
Senior · Level III$92,768$115,62512

The prevailing wage is the minimum an employer must pay for this job and area. Amounts vary by county within a metro and by wage source.