OC Watersheds Our Watersheds
Introduction to Watersheds of Orange County, California
What is a Watershed?
"That area of land, a bounded hydrologic system, within which all living things
are inextricably linked by their common water course and where, as humans settled,
simple logic demanded that they become part of the community." John Wesley Powell
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 separated from other watersheds, by mountain ridges or
other naturally elevated areas.
In Orange County, there are 11 watersheds. We've provided a page specifically about
the coast as well. In this section you'll find reports, studies, grants, projects,
and regulations specific to each watershed. A variety of maps are also available
displaying drainageways and land elevations; city boundaries; and land use. For
committees and public forums that meet on specific topics, you'll find meeting notices
and agendas. You may subscribe for a particular meeting and receive email notification
of meetings.
No Matter Where You Live … You Live in a Watershed.
The eleven watersheds in Orange County are grouped into three Watershed Management Areas
.
Map of Orange County
Watersheds:
(Note: File is approximately 10 MB and may take several minutes to download)
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