What Hydrologists DoResearch the distribution, circulation, and physical properties of underground and surface waters; and study the form and intensity of precipitation and its rate of infiltration into the soil, movement through the earth, and return to the ocean and atmosphere.
- Prepare written and oral reports describing research results, using illustrations, maps, appendices, and other information.
- Design and conduct scientific hydrogeological investigations to ensure that accurate and appropriate information is available for use in water resource management decisions.
- Measure and graph phenomena such as lake levels, stream flows, and changes in water volumes.
- Conduct research and communicate information to promote the conservation and preservation of water resources.
- Coordinate and supervise the work of professional and technical staff, including research assistants, technologists, and technicians.
Hydrologists Education, Salary, and GrowthOnly you can decide how much you need to earn — but knowing what it actually costs to live in your area can help. The Family Budget Calculator can guide you.
Minimum EducationBachelor Degree
Career ProspectsGood (Increasing by 1-5%)
Training TimeOver 4 years
Job Openings500 Annually
Median Earnings
$118,960 in California
$92,060 Nationally
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Is This Career Right For You?
YOU Like
- Thinking and problem solving
- Working with my hands
you value
- Accomplishing things
- Having freedom
- Job security
you are skilled in
- Active Listening
- Critical Thinking
- Speaking
- Writing
- Monitoring
- Reading Comprehension
Go Deeper: Hydrologists Explained

HydrologistExplore career pathways, key skills, and what each role has to offer.
How Do You Train for This Career?
Learn about the education and training paths that can lead to this career — and what to expect from each one.

Bachelor's DegreeA bachelor's degree typically results in increased knowledge about a variety of academic subjects, specialized knowledge in a focused field of study, and is considered the foundational qualification for many careers.
🎓 College
⏱️ Finish in 4-5+ years
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