July 12, 2022

« All News

The LA River Master Plan, Led by Geosyntec, Formally Adopted

The Los Angeles Board of Supervisors voted to adopt the LA River Master Plan on June 14, 2022. This plan provides a framework for local stakeholders and municipalities to increase river resiliency and support equitable access to public open space and clean water across Los Angeles County, and in particular, along the 51 miles and 17 municipalities between Canoga Park and Long Beach.

The LA River Master Plan is the only planning document that encompasses all 51 miles of the LA River while prioritizing critical infrastructure improvements, park access, water resources, sustainable initiatives, biodiversity preservation and COVID-19 recovery. It also addresses housing shortages and affordability, particularly for the nearly 1,000,000 people who live within one mile of the river.

Senior Principal Mark Hanna, Ph.D., P.E., LEED AP, leads the Geosyntec team and spoke at press event about the project on May 17. Geosyntec is providing permitting and technical services for the project, including hydraulics, hydrology and water quality, civil engineering, geotechnical engineering, and environmental engineering.

Mark is a water resources engineer based in Southern California with more than 25 years of experience in flood risk management, water rights, watershed planning, hydrologic and hydraulic modeling, permitting, project funding, and multi-beneficial project development. He has devoted his career to restoring and revitalizing urban and natural landscapes with a focus on resiliency and sustainability, ecological systems, and infrastructure, as well as how these factors impact health, equity, and displacement.

Now that the Board has formally adopted the Plan, the comprehensive document will support the funding and development of equitable, community-driven projects along the river while meeting the specific needs of river-adjacent communities.

More Information

About: the LA River Master Plan
For consultation regarding Water Resources contact Mark Hanna at This email address is being protected from spambots. You need JavaScript enabled to view it..
Learn more about Mark at https://www.geosyntec.com/people/mark-hanna