Hydrologists

Hydrologists score 50 out of 100, which is elevated exposure to AI. That ranks #214 of 923 US occupations, where #1 is the most exposed. Of the 25 tasks in this job, AI could speed up 3 on its own and 19 more with extra software built on top of it. In April–May 2026, 1 of these tasks showed up in real conversations with Claude, Anthropic's AI assistant.

50/ 100

Elevated

Rank: #214of 923 jobs
US workers: 5,850BLS, May 2025
Median pay: $96,600a year
In real AI use: 1 of 25tasks, April–May 2026

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Task by task

Each task this job involves, as listed by O*NET, rated on whether a large language model like GPT-4 could cut the time it takes by at least half at the same quality. Tasks marked Seen in real AI use appeared in conversations with Claude in April–May 2026 (Anthropic Economic Index).

AI can speed this up on its own: 3 (12%)
AI can speed this up with extra software: 19 (76%)
Little or no AI speed-up: 3 (12%)

Prepare written and oral reports describing research results, using illustrations, maps, appendices, and other information.AI can speed this up on its own · core task
Develop computer models for hydrologic predictions.AI can speed this up on its own · core task
Develop or modify methods for conducting hydrologic studies.AI can speed this up on its own · core task
Design and conduct scientific hydrogeological investigations to ensure that accurate and appropriate information is available for use in water resource management decisions.AI can speed this up with extra software · core task
Measure and graph phenomena such as lake levels, stream flows, and changes in water volumes.AI can speed this up with extra software · core task
Conduct research and communicate information to promote the conservation and preservation of water resources.AI can speed this up with extra software · core task
Coordinate and supervise the work of professional and technical staff, including research assistants, technologists, and technicians.AI can speed this up with extra software · core task
Study public water supply issues, including flood and drought risks, water quality, wastewater, and impacts on wetland habitats.AI can speed this up with extra software · core task
Apply research findings to help minimize the environmental impacts of pollution, waterborne diseases, erosion, and sedimentation.AI can speed this up with extra software · core task
Study and document quantities, distribution, disposition, and development of underground and surface waters.AI can speed this up with extra software · core task
Study and analyze the physical aspects of the earth in terms of hydrological components, including atmosphere, hydrosphere, and interior structure.AI can speed this up with extra software · core task
Evaluate research data in terms of its impact on issues such as soil and water conservation, flood control planning, and water supply forecasting.AI can speed this up with extra software · core task
Collect and analyze water samples as part of field investigations or to validate data from automatic monitors.AI can speed this up with extra software · core task
Prepare hydrogeologic evaluations of known or suspected hazardous waste sites and land treatment and feedlot facilities.AI can speed this up with extra software · core task
Evaluate data and provide recommendations regarding the feasibility of municipal projects, such as hydroelectric power plants, irrigation systems, flood warning systems, and waste treatment facilities.AI can speed this up with extra software · core task
Review applications for site plans and permits and recommend approval, denial, modification, or further investigative action.AI can speed this up with extra software · core task
Answer questions and provide technical assistance and information to contractors or the public regarding issues such as well drilling, code requirements, hydrology, and geology.AI can speed this up with extra software · core task · Seen in real AI use
Investigate properties, origins, and activities of glaciers, ice, snow, and permafrost.AI can speed this up with extra software · core task
Conduct short- and long-term climate assessments and study storm occurrences.AI can speed this up with extra software · core task
Investigate complaints or conflicts related to the alteration of public waters, gathering information, recommending alternatives, informing participants of progress, and preparing draft orders.AI can speed this up with extra software · core task
Design civil works associated with hydrographic activities and supervise their construction, installation, and maintenance.AI can speed this up with extra software · supplemental task
Compile and evaluate hydrologic information to prepare navigational charts and maps and to predict atmospheric conditions.AI can speed this up with extra software · supplemental task
Install, maintain, and calibrate instruments such as those that monitor water levels, rainfall, and sediments.Little or no AI speed-up · core task
Monitor the work of well contractors, exploratory borers, and engineers and enforce rules regarding their activities.Little or no AI speed-up · core task
Administer programs designed to ensure the proper sealing of abandoned wells.Little or no AI speed-up · core task

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Questions about hydrologists and AI

Will AI replace hydrologists?

Not entirely. Parts of the job are likely to change as AI takes over routine tasks. Hydrologists score 50 out of 100 (elevated exposure), #214 of 923 US jobs. AI could speed up 22 of the job's 25 tasks, 3 of them on its own, while 3 see little or no speed-up. Exposure means the work is likely to change, not that the job will disappear.

Which hydrologists tasks can AI do?

The most exposed tasks include "Prepare written and oral reports describing research results, using illustrations, maps, appendices, and other information"; "Develop computer models for hydrologic predictions"; "Develop or modify methods for conducting hydrologic studies".

Which hydrologists tasks are hardest for AI?

Tasks with little or no AI speed-up include "Install, maintain, and calibrate instruments such as those that monitor water levels, rainfall, and sediments"; "Monitor the work of well contractors, exploratory borers, and engineers and enforce rules regarding their activities"; "Administer programs designed to ensure the proper sealing of abandoned wells".

Are people already using AI for this work?

Yes. In April–May 2026, 1 of the 25 tasks showed up in real conversations with Claude, according to the Anthropic Economic Index.

How many people work as hydrologists, and what do they earn?

About 5,850 people in the US, with median pay of $96,600 a year (BLS, May 2025).

How to read this score. Exposure measures how much of the work AI could speed up, not whether the job will disappear. A highly exposed job can change shape, with people spending less time on routine tasks and more on the rest. The score counts tasks AI can speed up on its own in full, and tasks that need extra software at half weight.

The ratings come from published research based on GPT-4 (2023). To show what's happening now, each task is also checked against the latest Anthropic Economic Index, which records which tasks people actually use AI for. That data is refreshed automatically when Anthropic publishes a new release. Read the full method.