Diego Cadena, P.E.

Diego Cadena is a Senior Consultant and a Civil Engineer based in California with more than 30 years of experience focused on flood control, stormwater management, and land development issues and has first-hand knowledge of public agency expectations and responsibilities.

Aiding clients in groundwater recharge management and optimization, Diego frequently consults on the operation and management of reservoirs and major flood control systems. His practice focuses on the development of partnerships among diverse groups and the identification of flood risk management solutions that have multiple benefits.

As the former deputy director of the Los Angeles County Department of Public Works, Diego managed a variety of projects related to land development, the design of flood control infrastructure, road construction, and the long-term use of municipal solid waste facilities. He was responsible for the direction, management, and administration of the Los Angeles County Flood Control District and the Los Angeles County Waterworks Districts. Among his many accomplishments in this role was his direction of the Los Angeles River Master Plan, through which he helped lead the county toward a new environmental approach to public works. He also was the chairman of the Leadership Committee for the Greater Los Angeles County Integrated Regional Water Management Plan.

Diego is a member of the Stormwater Committee for the National Association of Flood and Stormwater Management Agencies (NAFSMA) and actively participates in similar committees for the American Society of Civil Engineers (ASCE) and the American Public Works Association (APWA). He is a Fellow with the ASCE, and in 2005 was recognized by the society's Los Angeles Section as the Outstanding Civil Engineer in Government. He also was named the Outstanding Practitioner Advisor in 2011 by members of the ASCE's Los Angeles Section, Los Angeles Metro Branch, and Region 9 (State of California).

The Friends of Engineers organization at California State University, Los Angeles, also recognized him as the Outstanding Civil Engineer in Government in 2011. A CSU alumnus, he continues to mentor engineering students and participates on the Industry Advisory Board for the Department of Civil Engineering.

Contact Diego Cadena at This email address is being protected from spambots. You need JavaScript enabled to view it. or +1-310-957-6100.

Career Summary: Diego Cadena, P.E.

  • Education: B.S., Civil Engineering, California State University, Los Angeles, 1982
  • Practice Areas: Water and Natural Resources
  • Disciplines: Civil Engineering, Water Resources Engineering
  • Specialties: Infrastructure Engineering and Design; Watershed and Stormwater Management
  • Registration: California Professional Engineer, C39440
Geosyntec Consultants
Geosyntec is a specialized consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

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