As of August 01, 2026, the average hourly rate for a Hydrologist III in the United States is $54, which translates to an annual salary of about $112,995.
However, the hourly wage can vary significantly based on several factors. Here’s a detailed look at the typical pay range per hour:
Hydrologist III Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
|---|---|---|---|---|
| 75th Percentile | $125,391 | $10,449 | $2,411 | $60 |
| Average | $112,995 | $9,416 | $2,173 | $54 |
| 25th Percentile | $102,458 | $8,538 | $1,970 | $49 |
A Hydrologist III's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.
Experience is a primary driver of a Hydrologist III's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Botanist | 0-0 years | $78,132 |
| Hydrologist III | 4-7 years | $112,995 |
| Meteorologist | 7+ years | $136,144 |
Hydrologist III salary potential scales significantly with company size. Data shows that Enterprise companies (5,000+ employees) pay the highest average salary at around $122,747. While startup companies pay approximate $104,153.
| Company Size | Employees | Average Salary |
|---|---|---|
| Startup | 1~50 | $104,153 |
| Growth Stage | 51~500 | $110,075 |
| Established | 501~5000 | $118,626 |
| Enterprise | 5000+ | $122,747 |
Understanding how a Hydrologist III'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 | $125,391 | $10,449 | $2,411 | $60 |
| Average | $112,995 | $9,416 | $2,173 | $54 |
| 25th Percentile | $102,458 | $8,538 | $1,970 | $49 |
Salaries for a Hydrologist III can change over time, reflecting shifts in market demand and the overall economy. The median salary decreased from $83,250 in 2023 to around $81,034 in 2025, reflecting changes in demand, location, experience, and the wider economy. For a detailed analysis of Hydrologist III salary trends, .
| Year | Average Annual Salary |
|---|---|
| 2022 | View More |
| 2023 | $83,250 |
| 2024 | $82,194 |
| 2025 | $81,034 |
| 2026 |
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|
| 2027 |
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Studies the distribution, movement, and quality of water across surface and subsurface environments to inform resource management and environmental protection efforts. Collects and analyzes field data on precipitation, streamflow, groundwater levels, erosion, and water quality using specialized instruments and sampling techniques. Develops hydrologic models to forecast water availability, flood risk, and the impacts of land use or climate variability. Prepares technical reports, maps, and recommendations to guide decisions on water supply, drainage, and infrastructure projects. Advises engineers, planners, and regulatory agencies on compliance with environmental standards and water resource regulations. Requires a bachelor's degree. Typically reports to a manager. Work is generally independent and collaborative in nature. Contributes to moderately complex aspects of a project. Typically requires 4-7 years of related experience.
Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.
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