Proof of English proficiency - TOEFL: Ibt -100 TOEFL: Pbt 600, IELTS: 7.0. For admission to the M.S., Professional M.S. or Ph.D. program in Environmental Engineering, applicants are normally required to hold a baccalaureate or master's degree in engineering, natural science, or mathematics from a college or university of recognized standing. Students without a B.S. or M.S. degree in Chemical, Civil, Environmental, Mechanical or a similar engineering field will be considered on an individual basis. Have at least a 3.00 undergraduate grade point average. Note: Applicants who cannot meet this undergraduate standard may still secure regular admission if they have completed 9 semester hours of relevant graduate course work with at least a 3.25 average. A TOEFL score greater than 100 (internet-based) is desired. An IELTS score of 7.5 is desired. Paper-Based TOEFL scores will no longer be accepted. TOEFL pbt: 600