LJA Engineering - Employee Owned
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Carolyn S. Gilligan, PE
Senior Consultant
Bachelor of Science, Civil Engineering, Michigan State University, 1980
Bachelor of Arts, Urban


Carolyn Gilligan joined the LJA organization in 1991. A licensed Professional Engineer in the State of Texas, Ms. Gilligan was formerly the lead hydrology engineer with the Fort Bend County Drainage District. Her managerial and technical skills encompass hydrology and hydraulics, including watershed studies, drainage studies of major waterways, design of storm water detention systems, drainage channels, and storm water collection systems. She has also been involved in the implementation plans for the establishment of impact fees, watershed ordinance reports, levee improvement district, municipal utility district creation reports, and criteria manuals for public agencies. Ms. Gilligan is proficient in the use of XP-SWMM, HEC-1, HEC-2, HECWRC, Quattro Pro, and statistical analysis. Ms. Gilligan has more than 25 years experience in hydrology and hydraulics.