Hydrologic Technicians
Collect and organize data concerning the distribution and circulation of ground and surface water, and data on its physical, chemical, and biological properties. Measure and report on flow rates and ground water levels, maintain field equipment, collect water samples, install and collect sampling equipment, and process samples for shipment to testing laboratories. May collect data on behalf of hydrologists, engineers, developers, government agencies, or agriculture.
A wage reference for United States.
Published wage percentiles describe a distribution within the source occupation group. They provide context for a career decision; employer packages and job offers have their own terms.
This wage group may include multiple detailed occupations. The figures are for the source group, which may be broader than Hydrologic Technicians. They are not an exact-title, employer, experience or seniority match.
May 2025 · USD · United States. Annual and hourly figures are shown only when the source publishes them; neither is calculated from the other.
U.S. Bureau of Labor Statistics occupational wage data, distributed through the O*NET® OnLine service.
Annual wage thresholds
USD per year
Hourly wage thresholds
USD per hour
| Percentile | Annual wage (USD/year) | Hourly wage (USD/hour) |
|---|---|---|
| 10th | $44,950 | $21.61 |
| 25th | $52,040 | $25.02 |
| 50th · Median | $64,790 | $31.15 |
| 75th | $84,680 | $40.71 |
| 90th | $100,480 | $48.31 |
“≥” means at least the published amount; “≤” means at most that amount. These are bounds, not exact values. “Not published” means the source did not provide that figure. Occupational wages follow the source definition and do not establish an employer’s base salary, equity or total compensation.
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What this career involves.
Occupation definitions describe common work. Responsibilities and requirements vary by employer and specific job.
Selected title examples
Typical tasks
- Analyze ecological data about the impact of pollution, erosion, floods, and other environmental problems on bodies of water.
- Answer technical questions from hydrologists, policymakers, or other customers developing water conservation plans.
- Apply research findings to minimize the environmental impacts of pollution, waterborne diseases, erosion, or sedimentation.
- Assist in designing programs to ensure the proper sealing of abandoned wells.
- Collect water and soil samples to test for physical, chemical, or biological properties, such as pH, oxygen level, temperature, and pollution.
- Develop computer models for hydrologic predictions.
Expand more tasks (10)
- Estimate the costs and benefits of municipal projects, such as hydroelectric power plants, irrigation systems, and wastewater treatment facilities.
- Investigate complaints or conflicts related to the alteration of public waters by gathering information, recommending alternatives, or preparing legal documents.
- Investigate the properties, origins, or activities of glaciers, ice, snow, or permafrost.
- Locate and deliver information or data as requested by customers, such as contractors, government entities, and members of the public.
- Measure the properties of bodies of water, such as water levels, volume, and flow.
- Perform quality control checks on data to be used by hydrologists.
- Prepare, install, maintain, or repair equipment used for hydrologic study, such as water level recorders, stream flow gauges, and water analyzers.
- Provide real time data to emergency management and weather service personnel during flood events.
- Write groundwater contamination reports on known, suspected, or potential hazardous waste sites.
- Write materials for research publications, such as maps, tables, and reports, to disseminate findings.
Skills used in this work
Skills are not retained for this profile.
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