How to Become a Hydrologist in 2026

    Median salary: $92,060 · -0.1% projected decline (2024–2034)

    O*NET Code: 19-2043.00 · Data from O*NET & BLS · Updated March 2026
    Median Salary
    $92,060
    annual wage
    Job Growth
    -0.1%
    projected 2024–2034
    Education
    Bachelor's degree
    typical entry
    AI Exposure
    66/100
    exposure score
    Section 01

    What does a Hydrologist do?

    Research 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.

    Section 02

    Hydrologist Salary in 2026

    The median annual salary for Hydrologists is $92,060. The bottom 10% earn around $60,010 while the top 10% earn over $139,420.

    Experience levelAnnual salary
    Entry-level (P10)$60,010
    Early career (P25)$73,330
    Median$92,060
    Experienced (P75)$114,940
    Top earners (P90)$139,420
    10th: $60,010Median: $92,06090th: $139,420

    Highest-paying metros

    Denver-Aurora-Centennial, CO
    Highest paying
    $125,670
    top metro salary
    California
    $118,960
    $-6,710 vs highest
    Massachusetts
    $116,750
    $-8,920 vs highest
    Colorado
    $116,000
    $-9,670 vs highest
    Seattle-Tacoma-Bellevue, WA
    $107,440
    $-18,230 vs highest
    Sacramento-Roseville-Folsom, CA
    $104,270
    $-21,400 vs highest
    Washington
    $100,000
    $-25,670 vs highest
    Nevada
    $97,430
    $-28,240 vs highest

    Hydrologist salary by state

    StateMedian salary
    Marylandtop$134,410
    Virginia$125,900
    California$118,960
    Massachusetts$116,750
    Colorado$116,000
    New Jersey$115,770
    Michigan$111,860
    Missouri$109,970
    Oklahoma$104,330
    Washington$100,000
    North Dakota$98,430
    Nevada$97,430
    New Mexico$96,660
    Louisiana$96,180
    Hawaii$95,000
    Pennsylvania$94,310
    Ohio$93,520
    Oregon$92,750
    Wyoming$91,890
    Minnesota$90,500
    Utah$89,310
    Alabama$86,750
    Iowa$84,880
    New York$84,320
    Indiana$82,970
    Vermont$82,450
    Montana$80,690
    Illinois$79,790
    Wisconsin$76,460
    Arizona$76,420
    Texas$76,360
    Idaho$74,960
    Florida$71,290
    South Carolina$61,240

    How to earn more as a Hydrologist

    The salary range for Hydrologists spans $79,410 — from $60,010 at entry level to $139,420 for top earners. The highest-paying metro area is Denver-Aurora-Centennial, CO at $125,670 — $33,610 above the national median. An advanced credential — such as a graduate degree or specialized certification — is consistently associated with higher earnings in this field.

    Section 03

    How to get there

    Typical education: Bachelor's degree

    Starting from high school

    1. Complete a bachelor's degree program (4–6 years undergrad + 2–4 years graduate)
    2. Pursue internships and co-op experiences during your studies
    3. Build 1–2 years of entry-level experience
    4. Continue professional development and earn certifications
    5. Advance into full professional role after meeting experience requirements

    Choose an accredited program with strong industry connections and internship placement rates. Look for schools that offer co-op programs where you alternate between study and paid work. Many employers recruit directly from university programs, so networking and career fairs are valuable. Consider the total return on investment — schools with lower tuition but strong placement rates often outperform expensive programs.

    6–10+ years (education + experience) $50K–$200K+

    Graduate assistantships, fellowships, and employer sponsorship can significantly reduce costs. Research public university options.

    With a related degree

    1. Complete additional coursework or a certificate program in the specialization
    2. Earn professional certifications (field-specific certifications and licensure)
    3. Build relevant experience through lateral transfers or project work
    4. Position yourself for the role using your combined education and experience

    Your existing degree covers many foundational requirements. Focus on the gap — often 3–6 specialized courses plus a certification or two. Many universities offer post-baccalaureate certificates that take 1–2 semesters. Online programs from accredited universities provide flexibility for working professionals.

    1–3 years $5K–$30K

    Certificate programs and individual courses are much cheaper than a second degree. Many employers offer tuition reimbursement for career-relevant education.

    Career change from another field

    1. Enroll in a graduate program in the field
    2. Earn required professional certifications
    3. Complete supervised work experience or residency
    4. Leverage your previous career skills for a differentiated profile

    Career changers bring valuable perspective — employers increasingly value diverse backgrounds. Look for accelerated programs designed for career changers (many fields now offer 12–18 month intensive programs). Your prior professional experience in areas like project management, communication, and leadership transfer directly and can accelerate your advancement once you enter the field.

    4–8 years $30K–$150K

    Career change scholarship programs exist in many fields. Some employers offer sign-on bonuses or student loan repayment assistance for in-demand specializations.

    Already working in another career?

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    Section 06

    AI and automation outlook

    66/100

    The Hydrologist role has a high AI exposure score. Significant parts of this role are automatable. Focus on the human-centric aspects that AI can't replicate.

    See full AI risk breakdown
    Section 07

    Related careers to consider

    Based on skill overlap analysis — these occupations share core competencies with Hydrologist.

    Get your personalized Hydrologist transition plan

    Includes step-by-step roadmap, skill gap analysis, financial feasibility, and salary comparison by city. Takes 2 minutes.

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    Step-by-step roadmap Skill gap breakdown Financial feasibility Salary by city
    Section 08

    Frequently asked questions

    SOC: 19-2043.00 · Data: O*NET 29.1, BLS OEWS 2024, BLS Employment Projections 2024–2034