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PhD Soil, Water and Environmental Science

ENVS offers graduate work leading to Ph.D. degree in Soil, Water and Environmental Science at University of Arizona. Two tracks are offered, “Environmental Science” or “Soil and Water Science”.

Quick Facts

Full-time Duration: 2 years
Starting in: August, January
Tuition Fee: $10,063 per semester
Location: Tucson, United States

In addition to the major, each student of the Ph.D. degree in Soil, Water and Environmental Science at University of Arizona must complete a minor, which can be intra- or interdepartmental. Many, if not most, SWES graduate students enroll in several non-ENVS courses as part of their program. This reflects the multi-disciplinary characteristics of the ENVS program in general, and also that a minor is required for all Ph.D. students. The most frequently used outside courses are in Chemistry, Chemical and Environmental Engineering, Hydrology and Water Resources, and Microbiology.


The Department of Environmental Science (ENVS) brings together a faculty of outstanding scientists, distinguished by their understanding of soil, water, and the environment, and their ability to carry out research and planning towards the solution of environmental and resource use problems.

We focus our research activities in three key areas:

Environmental science

  • Contaminant transport and fate
  • Water quality
  • Waste management and reuse
  • Soil and groundwater remediation
  • Ecosystem restoration.

Critical zone science

  • Physical, chemical and microbiological processes

Soil, plant and atmospheric systems

  • Climate science

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“Choosing the Master’s program for Physiological Sciences at the University of Arizona was one of the best decisions I could have made in my education. Our department is warm and collaborative, offering an array of research topics and techniques underneath a vast and integrative umbrella of physiology. Beyond my research experience, I was presented with teaching opportunities, which I feel honed my skill of scientific communication. Having the dynamic research/teaching/class schedule not only kept me active but helped me reinforce material in multiple contexts. Overall, this program was exactly what I wanted in my segway into the medical sciences… and with my teaching assistantship paying for my tuition, how could I say no?”​

Andrew Wojtanowski // MS 2016