dse is 100% owned and operated by, Cathy West Dougherty, PE, President with over 40 years of mechanical and environmental engineering experience, and has managed dse for over 20 years.
dse is committed to achieving excellence through responsive and consistently satisfying service, and dse is recognized for its superior business value. Through this commitment to your company, dse stands ready to anticipate and meet the challenges of a constantly changing business climate. Looking to the future, dse intends to provide services with integrity and quality, creating new solutions for projects of every size. Working side by side with you, we invite open dialog to enhance satisfactory project delivery.
dse is a woman-owned/woman-operated firm and is certified as a Woman Owned Business (WBE) by the Women’s Business Council-Southwest, certified as a State of Texas Historically Underutilized Business (HUB), certified as a Disadvantaged Business Enterprise (DBE) by the North Central Texas Regional Certification Agency, and holds a U.S. General Services Administration (GSA) Environmental Contract (GS-10F-0616P).
With decades of person-years of experience specializing in engineering, geology and environmental science dse provides specialty services such as: remedial system design; groundwater, fate and transport modeling; water and sewer system modeling, hydrology and hydrologic modeling, TCEQ-VCP/Brownfield Response Actions and Site Investigations; remedial system installation; environmental training; and drafting using AutoCAD®. dse personnel have successfully worked on hundreds of environmental projects throughout Texas and the southwest, the U.S., Mexico and Canada. Expert testimony has been provided, as needed, to support attorneys and litigation.