County of Los Angeles Department of Public Works
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Watershed Management Identifier
Mark Pestrella
Assistant Deputy Director/
Division Engineer


Terri Grant
Assistant Division Engineer

Hector J. Bordas
Assistant Division Engineer

Scott Schales
Assistant Division Engineer

For information call
(626) 458-4300
or please see the

LADPW FAQ

Our Responsibilities

We will:
  • Generate partnerships and coalitions among diverse groups of watershed stakeholders to get more "bang for your buck"
  • Bring together teams of local leaders and stakeholders for each watershed
  • Take steps to clean up water that flows to our rivers, lakes, and oceans
  • Conduct and sponsor research in collaboration with education and professional institutions
  • Assist in securing funding for watershed management priorities, including applying for grants whenever possible
  • Prepare studies and develop master plans for the future of each watershed
  • Become a central source of information for residents, stakeholders and other government agencies
  • Provide solutions to flooding problems
  • Promote legislation and policies that encourage watershed management practices.
Major Watersheds of Los Angeles County
Click within the watershed boundary to view individual watershed.
Antelope Valley Watershed Santa Clara Valley Watershed Los Angeles River Watershed North Santa Monica Bay Watersheds Ballona Creek Watershed Dominguez Channel & L.A. Harbor San Gabriel River Watershed
Los Angeles County Watershed