Hands-on
2026-02 · Machine Learning/Expert
Explore a possible path
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.
How does this connect to your interests? →A look at the work
- 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.
- 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.
A selection of source-listed tasks; duties vary by role and employer.
Interests involved in this work
These source scores describe occupational work activities. They are separate from your personal test results.
5.5 / 7
Investigative
2026-02 · Machine Learning/Expert
Creative
2026-02 · Machine Learning/Expert
Helping people
2026-02 · Machine Learning/Expert
Enterprising
2026-02 · Machine Learning/Expert
Organizing
2026-02 · Machine Learning/Expert
Skills to explore
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Talk to someone doing this work, look for a supervised activity, and explore the subjects that interest you. Admission, licensing and current program requirements should be confirmed with the relevant institutions.
Source preparation category: Job Zone 3 of 5 · 2021-11. This category describes typical preparation, not your eligibility.
Related study fields
Source crosswalk connections are research leads, not required qualifications.
Hydrology and Water Resources Science →
Science Technologies/Technicians, General →
Physical Science Technologies/Technicians, Other →
Science Technologies/Technicians, Other →
Explore all related study fields →Source & methodology
O*NET-SOC code 19-4044.00 · Database 31.0 · Retrieved Oct 14, 2026. Dates on individual observations describe their source periods.
How interest exploration matching works →Data: O*NET® 31.0 Database, U.S. Department of Labor, Employment and Training Administration. Used under CC BY 4.0. StudyIndex normalizes the presentation and adds exploration features; USDOL/ETA has not approved, endorsed or tested these additions.