{"v":"2026-11-02","dataVersion":"ONET-30.3+BLS-MAY25","code":"19-2043.00","slug":"hydrologists","title":"Hydrologists","alt":["Hydrogeologist","Isotope Hydrologist","Surface Hydrologist","Research Hydrologist","Hydraulic Engineer","Hydrologic Engineer","Project Hydrogeologist","Seismologist","Volcanologist","Groundwater Consultant","Water Resources Scientist"],"employment":5850,"wage":{"median":96600,"p25":77210,"p75":122830},"growthPct":-0.1,"exposure":55.5,"taskCount":25,"highCount":6,"midCount":18,"lowCount":1,"aeiObserved":0,"fit":{"mix":{"none":0,"efficient":48.5,"standard":24.3,"frontier":27.2},"counts":{"none":0,"efficient":12,"standard":6,"frontier":7},"recommended":"frontier","coveragePct":100,"addressablePct":100},"tasks":[{"t":"Prepare written and oral reports describing research results, using illustrations, maps, appendices, and other information.","imp":4.43,"exp":55,"src":"heuristic","tier":"efficient","gwa":"Documenting/Recording Information"},{"t":"Design and conduct scientific hydrogeological investigations to ensure that accurate and appropriate information is available for use in water resource management decisions.","imp":4.09,"exp":50,"src":"heuristic","tier":"efficient","gwa":"Getting Information"},{"t":"Measure and graph phenomena such as lake levels, stream flows, and changes in water volumes.","imp":4.05,"exp":55,"src":"heuristic","tier":"standard","gwa":"Monitoring Processes, Materials, or Surroundings"},{"t":"Conduct research and communicate information to promote the conservation and preservation of water resources.","imp":4,"exp":55,"src":"heuristic","tier":"efficient","gwa":"Getting Information"},{"t":"Coordinate and supervise the work of professional and technical staff, including research assistants, technologists, and technicians.","imp":3.91,"exp":50,"src":"heuristic","tier":"frontier","gwa":"Guiding, Directing, and Motivating Subordinates"},{"t":"Study public water supply issues, including flood and drought risks, water quality, wastewater, and impacts on wetland habitats.","imp":3.87,"exp":55,"src":"heuristic","tier":"standard","gwa":"Analyzing Data or Information"},{"t":"Apply research findings to help minimize the environmental impacts of pollution, waterborne diseases, erosion, and sedimentation.","imp":3.86,"exp":55,"src":"heuristic","tier":"frontier","gwa":"Thinking Creatively"},{"t":"Study and document quantities, distribution, disposition, and development of underground and surface waters.","imp":3.77,"exp":50,"src":"heuristic","tier":"efficient","gwa":"Getting Information"},{"t":"Install, maintain, and calibrate instruments such as those that monitor water levels, rainfall, and sediments.","imp":3.73,"exp":20,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Develop computer models for hydrologic predictions.","imp":3.67,"exp":50,"src":"heuristic","tier":"frontier","gwa":"Thinking Creatively"},{"t":"Study and analyze the physical aspects of the earth in terms of hydrological components, including atmosphere, hydrosphere, and interior structure.","imp":3.65,"exp":55,"src":"heuristic","tier":"efficient","gwa":"Getting Information"},{"t":"Evaluate research data in terms of its impact on issues such as soil and water conservation, flood control planning, and water supply forecasting.","imp":3.65,"exp":65,"src":"heuristic","tier":"efficient","gwa":"Getting Information"},{"t":"Collect and analyze water samples as part of field investigations or to validate data from automatic monitors.","imp":3.64,"exp":55,"src":"heuristic","tier":"efficient","gwa":"Handling and Moving Objects"},{"t":"Prepare hydrogeologic evaluations of known or suspected hazardous waste sites and land treatment and feedlot facilities.","imp":3.6,"exp":55,"src":"heuristic","tier":"standard","gwa":"Evaluating Information to Determine Compliance with Standards"},{"t":"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.","imp":3.42,"exp":65,"src":"heuristic","tier":"standard","gwa":"Judging the Qualities of Objects, Services, or People"},{"t":"Develop or modify methods for conducting hydrologic studies.","imp":3.36,"exp":50,"src":"heuristic","tier":"frontier","gwa":"Thinking Creatively"},{"t":"Review applications for site plans and permits and recommend approval, denial, modification, or further investigative action.","imp":3.35,"exp":65,"src":"heuristic","tier":"standard","gwa":"Evaluating Information to Determine Compliance with Standards"},{"t":"Monitor the work of well contractors, exploratory borers, and engineers and enforce rules regarding their activities.","imp":3.24,"exp":55,"src":"heuristic","tier":"frontier","gwa":"Guiding, Directing, and Motivating Subordinates"},{"t":"Answer questions and provide technical assistance and information to contractors or the public regarding issues such as well drilling, code requirements, hydrology, and geology.","imp":3.2,"exp":55,"src":"heuristic","tier":"standard","gwa":"Communicating with People Outside the Organization"},{"t":"Investigate properties, origins, and activities of glaciers, ice, snow, and permafrost.","imp":3.06,"exp":55,"src":"heuristic","tier":"efficient","gwa":"Getting Information"},{"t":"Conduct short- and long-term climate assessments and study storm occurrences.","imp":3.05,"exp":65,"src":"heuristic","tier":"efficient","gwa":"Getting Information"},{"t":"Investigate complaints or conflicts related to the alteration of public waters, gathering information, recommending alternatives, informing participants of progress, and preparing draft orders.","imp":3,"exp":85,"src":"heuristic","tier":"efficient","gwa":"Getting Information"},{"t":"Design civil works associated with hydrographic activities and supervise their construction, installation, and maintenance.","imp":3,"exp":50,"src":"heuristic","tier":"frontier","gwa":"Thinking Creatively"},{"t":"Administer programs designed to ensure the proper sealing of abandoned wells.","imp":3,"exp":50,"src":"heuristic","tier":"frontier","gwa":"Guiding, Directing, and Motivating Subordinates"},{"t":"Compile and evaluate hydrologic information to prepare navigational charts and maps and to predict atmospheric conditions.","imp":2.8,"exp":80,"src":"heuristic","tier":"efficient","gwa":"Processing Information"}],"adjacent":[{"code":"19-4044.00","slug":"hydrologic-technicians","title":"Hydrologic Technicians","overlap":0.76,"months":9,"exposure":52.4,"strong":true},{"code":"11-9121.02","slug":"water-resource-specialists","title":"Water Resource Specialists","overlap":0.72,"months":10,"exposure":42.4,"strong":true},{"code":"19-2042.00","slug":"geoscientists-except-hydrologists-and-geographers","title":"Geoscientists, Except Hydrologists and Geographers","overlap":0.7,"months":11,"exposure":62.6,"strong":true},{"code":"17-2051.02","slug":"water-wastewater-engineers","title":"Water/Wastewater Engineers","overlap":0.63,"months":13,"exposure":57.4,"strong":false},{"code":"19-1031.00","slug":"conservation-scientists","title":"Conservation Scientists","overlap":0.63,"months":13,"exposure":58.9,"strong":false}]}