Catherine Tyrrell (Secretary)


Catherine Tyrrell is a LEED (Leadership in Energy and Environmental Design) AP (accredited professional) and served as Board President from 2010 to 2012. Ms. Tyrrell has extensive knowledge of California's water quality regulations, stormwater management activities, and watershed management approaches.

She has been the assistant executive officer for surface water programs with the Los Angeles Regional Water Quality Control Board. Among other activities, she led the effort with the State Water Resources Control Board and the U.S. Environmental Protection Agency to coordinate health and water quality monitoring statewide.

She was also the executive director of the Santa Monica Bay Restoration Project, one of the first watershed projects in Southern California with a surface water quality focus.

Prior to joining her present firm, RMC Water, she worked for the engineering firms Arcadis-Malcolm Pirnie and Psomas. Before that, she was director of coastal and environmental affairs for Playa Vista, where she created a conservancy to oversee operations, monitoring and maintenance of the master-planned community's freshwater marsh system. She also oversaw development and implementation of the freshwater marsh operations and maintenance manual. In addition, Ms. Tyrrell was responsible for coastal permitting for transportation and restoration projects within the coastal zone.

Ms. Tyrrell holds a master's degree in urban planning from the University of California, Los Angeles. She is a past board member of the Ballona Wetlands Foundation and the past president of the Ballona Wetlands Conservancy. Tyrrell and her husband, who have three grown children, moved to Playa Vista in March of 2006.

Friends of Ballona Wetlands