Meet Aegis


JANUARY 3, 2020

January 3, 2020 – West Yost Associates (West Yost) has acquired Aegis Engineering Management (Aegis), headquartered in San Diego, California. Aegis specializes in recycled water planning, customer water connections, site retrofits, water pipeline and utility inspections and regulatory compliance for municipal water and wastewater utilities. “Aegis is client-focused, quality driven, and well-aligned with our commitment to exceptional service and integrity in all we do,” said Charles Duncan, West Yost’s President and CEO. “In joining West Yost, Aegis expands our capabilities in recycled water and provides additional capacity to support water sustainability and resilience projects throughout California.”

About Aegis. Founded in 2009 by Alex Bucher, P.E., Aegis provides professional civil engineering services for recycled water, wastewater, water, and related areas for cities, counties, and water districts in Southern California. Engineering services consist of planning, design, project engineering management, construction management, operations, and maintenance.  The Aegis team includes experienced licensed civil engineers, licensed land surveyors, AWWA certified cross-connection control specialists, construction managers and technicians.

About West Yost. Founded in 1990, West Yost is a water-focused consulting civil engineering firm headquartered in Davis, CA that provides planning, design, construction management, operations technology, cybersecurity and resilience, and environmental services for water, groundwater, recycled water, wastewater, stormwater, and infrastructure projects to over 700 municipal and private clients throughout California, Oregon, and Arizona. Together with Aegis, West Yost employs over 200 people throughout the Western United States. For more information visit

What Sets Us Apart

  • Client Focus
  • Commitment to Success
  • Integrity
  • Responsiveness