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Lesa Sweet Richardson is a Principal Hydrogeologist with extensive experience in the field. Lesa has worked at Tetra Tech since August 2000, previously holding the title of Scientist at Insight Environmental Services. Lesa began their career as an Intern at Washtenaw County before earning a BS in Geology from Eastern Michigan University in 1997. Lesa later obtained a Certification in Geographical Information Systems from Pennsylvania State University in 2003.