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    University of Arizona

    Master of Science in Hydrology

    Last verified against the official program page on .

    Tucson, USMSIn-person2 years
    STEM-OPT
    $46,800.00
    Tuition
    over 24mo
    31
    Credits
    $90.00
    App fee

    Master of Science in Hydrology at University of Arizona is a 31-credit, 2-year, in-person MS program based in Tucson, US. Tuition is $46,800 and the program is STEM-OPT eligible for international students.

    About the program

    Covers physical, chemical, and biological aspects of the hydrologic cycle including hydrogeology, hydrogeochemistry, hydrometeorology, hydroclimatology, environmental hydrology, ground-water hydrology, surface water hydrology, vadose zone hydrology, mathematical and statistical methods, water resources systems, and water resources policy.

    Focus: both
    Shanghai ARWU Water Resources #1 US / #4 World | 115 (US News)

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    Deadlines

    Spring 2027
    Aug 1, 2026

    Standardized tests

    GRE
    optional
    Min The University of Arizona Graduate College does not require entrance exams, such as the Graduate Record Exam (GRE). However, many academic departments may require GRE scores.
    TOEFL
    required
    Min TOEFL (Test of English as a Foreign Language): Minimum score 79 (or 60 on the revised PBT, with no section score lower than 15). Individual MyBest scores must also be dated within 2 years of the enrollment term to be considered valid.
    IELTS
    required
    Min IELTS (International English Language Testing System): Minimum composite score of 7, with no subject area below a 6

    After the program

    Post-study work rights

    12 months OPT (US), 24 months STEM OPT (US)

    $16,800.00
    Annual living cost

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    Prerequisites

    Specific coursework this program expects you to have completed: calculus, linear algebra, programming, statistics, and subject-specific prerequisites where applicable.

    Recommendations

    Exact count of letters required, whether academic vs professional references are preferred, and any program-specific guidance on who to ask.

    Essays

    Number of essays required (statement of purpose, personal statement, diversity statement), prompts where the program publishes them, and whether supplemental essays are optional or mandatory.

    Contact

    Direct email and phone for the admissions office handling this program, plus a link to the program-specific inquiry page where available.

    Frequently asked questions

    How much does Master of Science in Hydrology at University of Arizona cost?
    The total estimated tuition for Master of Science in Hydrology at University of Arizona is $46,800 across 31 required credits.
    Is Master of Science in Hydrology at University of Arizona online or in-person?
    Master of Science in Hydrology at University of Arizona is offered in-person.
    How long does Master of Science in Hydrology at University of Arizona take to complete?
    Master of Science in Hydrology at University of Arizona is structured around 2 years and 31 credits.
    Is Master of Science in Hydrology at University of Arizona STEM-OPT eligible?
    Yes - Master of Science in Hydrology at University of Arizona is STEM-OPT designated, allowing international graduates to extend their post-completion OPT for up to 36 months total.
    What work-permit options follow Master of Science in Hydrology at University of Arizona?
    Post-completion work rights for Master of Science in Hydrology at University of Arizona: 12 months OPT (US), 24 months STEM OPT (US)