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Seniority Profile · Illinois

Mid-level Environmental Engineers salary in Illinois

Roles that require qualified independent work on routine tasks. Typically two to five years of relevant experience.

Adrian Serafin, founder and editor of RateOrchardBy Adrian SerafinFounderUpdated May 4, 2026
BLS percentile range
P25 to MEDIAN of the Illinois OES distribution for Environmental Engineers.
DOL OFLC offered median
$93,246
Across 8 certified filings at this wage level.
Real disclosed salaries

Mid-level Environmental Engineers in Illinois: actual employer-disclosed pay

Public records from 8 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $93,246. Every figure below is an actual offered salary an employer attested to under federal law.

By DOL wage level

DOL classifies every offer into one of four wage levels based on the role's experience and skill requirements.

LevelFilingsMedian offer
Level II — qualified8$93,246

Top employers filing for this role

Companies with the most certified filings for Mid-level Environmental Engineers in Illinois. Median offer is across all of that employer's filings.

EmployerMost-filed titleFilingsMedian
UChicago Argonne, LLCEnergy Systems Analyst2$90,063
Wastewater Acquisition LLC dba IN-PIPE Technology LLCEnvironmental Engineer1$105,002
Archer Daniels Midland CompanyEnvironmental Engineer1$83,000
Chastain & Associates LLCProject Engineer1$99,840
Civil & Environmental Consultants, Inc.Project Manager, Solid Waste Engineer1$96,741
UChicago Argonne LLCEnergy Systems Engineer1$90,063
Aqua-Aerobic Systems, Inc.Application Engineer1$96,429

Recent sample filings

A snapshot of recent certified offers. Each line is a real, public, verifiable record.

  • Energy Systems Analyst at UChicago Argonne, LLC
    $90,063
    LemontWage Level IIDecided Aug 5, 2025I-200-25210-206917
  • Environmental Engineer at Wastewater Acquisition LLC dba IN-PIPE Technology LLC
    $105,002
    Wood DaleWage Level IIDecided Jun 30, 2025I-200-25174-119570
  • Environmental Engineer at Archer Daniels Midland Company
    $83,000
    DecaturWage Level IIDecided Jun 10, 2025I-200-25154-047986
  • Project Engineer at Chastain & Associates LLC
    $99,840
    SchaumburgWage Level IIDecided Apr 17, 2025I-200-25101-853842
  • Project Manager, Solid Waste Engineer at Civil & Environmental Consultants, Inc.
    $96,741
    NapervilleWage Level IIDecided Mar 21, 2025I-200-25073-776834
  • Energy Systems Engineer at UChicago Argonne LLC
    $90,063
    LemontWage Level IIDecided Feb 5, 2025I-200-25029-650870
  • Application Engineer at Aqua-Aerobic Systems, Inc.
    $96,429
    Loves ParkWage Level IIDecided Oct 2, 2024I-200-24269-362876
  • Energy Systems Analyst at UChicago Argonne, LLC
    $90,063
    LemontWage Level IIDecided Jul 31, 2025I-200-25205-198676

Source: U.S. Department of Labor, Office of Foreign Labor Certification. Disclosed wages reflect what employers attested to pay; actual paid wages may differ. Only certified filings are shown — denied and withdrawn cases are excluded.