- The Hydrology Program at New Mexico Tech is one of the nation's largest and strongest programs in hydrology research and education. Two graduate degrees are offered: M.S. in Hydrology and Ph.D. in Earth and Environmental Science with Dissertation in Hydrology. In addition, a five-year B.S./Hydrology M.S. degree for students enrolled in an undergraduate program at New Mexico Tech is available.www.ees.nmt.edu/Hydro/homepage.html