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Watershed and Stormwater Management

Water and Natural Resources Conservation and Restoration

Surface Water/Groundwater Supply Studies and Development


Ph.D., Civil Engineering, University of California, Los Angeles, 2004

M.S., Civil Engineering, University of California, Los Angeles, 1999

B.S., Civil Engineering, University of Colorado, Boulder, 1995

Mark Hanna, PhD, PE, LEED

Primary Disciplines:
Civil Engineering, Natural Resources & Ecological Sciences, Water Resources Engineering,

Mark Hanna is a senior water resources engineer and an Associate of the firm based in California with more than 19 years of experience in water resources. His work in snowmelt and stormwater runoff, combined with his experience in water rights and environmental restoration planning and implementation, allows him to offer comprehensive solutions to growing problems in the natural and the urban environment.

Mark focuses on surface water and groundwater interactions, hydrology and large system hydraulics, ecosystem restoration, and multi-beneficial project development. His specialties include water resources development, water rights, surface water management, groundwater recharge, watershed master planning, environmental restoration, water quality management planning, and water conservation. Currently he is directing several integrated water resource projects in Los Angeles County including several large LA River initiatives designed specifically for local water supply, water quality, and urban revitalization. He also leads diverse technical teams developing plans and projects for stormwater, habitat, and open space development in Southern California.

Mark managed multiple civil works projects for the Los Angeles Department of Water and Power (LADWP) and was planning lead for significant water resources and ecosystem restoration efforts for the City of Los Angeles. For several years he successfully directed the Mono Basin Ecosystem Restoration Program, managing more than 120,000 acre-feet of water annually for municipal supply, environmental restoration, and small hydropower generation.

Mark was recognized by the City of Los Angeles’ Board of Public Works as playing a “vital role” in the City’s Green Streets initiative and was one of the primary authors of the Council for Watershed Health’s “Water Augmentation Study – Research, Strategy, and Implementation Report,” finalized in 2010. Prior to joining LADWP, Mark managed the U.S. Bureau of Reclamation’s Real-Time Wetland Water Quality Management Program, balancing water supply, water quality, and habitat needs for a 50,000-acre wetland complex in California’s Central Valley.

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