How much does an Environmental Engineer make in Harristown, IL? (2025)
As of August 01, 2025, Environmental Engineers in Harristown, IL earn an average annual salary of $99,232 with an hourly rate of $48. Salary ranges from $84,615 (10th percentile) to $120,108 (90th percentile), with the majority earning between $91,581 (25th percentile) and $110,159 (75th percentile). Compensation varies based on experience, skills, company size, and local market factors - all explored below.