View All


September 20, 2014
8:00 AM2014 CALIFORNIA COASTAL CLEAN UP DAY AND INNER-COASTAL & WATERSHED CLEAN UP DAYSeptember 20, 2014 marks the 30th Annual California Coastal Clean Up Day and the 18th Annual Inner-Coastal & Watershed Clean Up Day. Come join your neighbors in helping to keep our neighborhoods and beaches beautiful. We have sites all over Orange County that need your help. Pleasevisit our Cleanup Day page for more information and a 2014 Site Directory.
September 25, 2014
9:00 AMOrange County Coastal CoalitionThe Orange County Coastal Coalition is an association of local, regional, state, and federal agencies, non-profit organizations, private industry, and the public whose role is to advocate, educate, and coordinate activities along the Orange County coast.

Mission Statement

To develop regional management strategies to preserve, protect, and enhance coastal resources and surface waters throughout Orange County. A watershed approach considers the entire geographic area that a watercourse drains to address a broad range of issues.


A watershed is the geographic area draining into a river system, ocean or other body of water through a single outlet and includes the receiving waters. Watersheds are usually bordered and/or separated from other watersheds by mountain ridges or other naturally elevated areas.

View Archive

Latest News

News ImageAugust 15, 2014  OC Environmental Data Portal Launched
OC Watersheds is pleased to announce the launch of a brand new data portal which will allow users to explore interactive maps and download a variety of geographic and environmental data for Orange County. Please visit to access the portal.

News ImageOctober 23, 2013  Coastal Cocktails PSA Hits Orange County Airwaves
As you are channel surfing, be on the look out for a new public service announcement hitting the airwaves promoting the importance of water pollution prevention. The "Coastal Cocktails - Toxitini" ad is a reminder of what can happen if we don't all do our part. Posters and drink coasters are also available for use. For more information and tips on how you can help, visit