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As of August 01, 2026, the average salary for a Hydrogeologist IV in Roxana, IL is $137,200 per year, which breaks down to an hourly rate of $66.
However, a Hydrogeologist IV's salary can vary significantly. Here’s a look at the typical salary range:
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Hydrogeologist IV Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $154,800 | $12,900 | $2,977 | $74 |
| Average | $137,200 | $11,433 | $2,638 | $66 |
| 25th Percentile | $122,200 | $10,183 | $2,350 | $59 |
DoorDash - Roxana, IL
Supreme Trucking & Excavating LLC - Roxana, IL
Fastenal - Roxana, IL
Banner Fire Equipment, Inc. - Roxana, IL
A Hydrogeologist IV's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how geographic location, and company size can directly affect your earning potential.
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
Hydrogeologist IV salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $149,042. While startup companies pay approximate $126,463.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $126,463 |
| Growth Stage | 51~500 | $133,655 |
| Established | 501~5000 | $144,037 |
| Enterprise | 5000+ | $149,042 |
Understanding how a Hydrogeologist IV's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $154,800 | $12,900 | $2,977 | $74 |
| Average | $137,200 | $11,433 | $2,638 | $66 |
| 25th Percentile | $122,200 | $10,183 | $2,350 | $59 |
Promotions are the fastest way to increase your earnings. As a Hydrogeologist IV, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Expert Biologist | $131,700 | -4% |
| Expert Geologist | $126,000 | -8% |
| Chief Geophysicist | $184,700 | 35% |
| Microbiologist, Lead/Master | $128,700 | -6% |
Ready to take the next step in your career? Browse thousands of current Hydrogeologist IV job openings on our job board. Use the search bar below to find your perfect match.
Banner Fire Equipment, Inc.
Roxana, IL
Banner Fire Equipment, Inc. | Roxana, IL
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CHRISTUS Health
CORPUS CHRISTI, TX
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