Watershed & Coastal Resources Division, RDMD, Orange County, California
Orange County, California
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Who We Are Problem Reporting Hotline Stormwater Program Watersheds Public Education Rainfall & Weather
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Introduction to Watersheds
Supervisorial Districts
Regional Board Boundaries
City Boundaries
Detailed Maps
Aerial Maps
Wetlands
Coastal Maps
Description of Corps of Engineers Process
TMDLs
Resource Links
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Watersheds - Watercourses and Watersheds / City and County Jurisdictions / Supervisor Districts OCWatersheds.pdf

Select a Watershed   
Introduction to Watersheds of Orange County, California
Watershed and Coastal Resources Division Coyote Creek Watershed Introduction Carbon Canyon Introduction Page Westminster Introduction Page Talbert Watershed Introduction Page Talbert Watershed Introduction Page Santa Ana River Watershed Introduction Page San Diego Creek Introduction Page East Costa Mesa - Newport Beach Introduction Page Newport Coast Watershed Introduction Page Laguna Canyon Channel Introduction Page Aliso Creek Introduction Page Salt Creek Introduction Page San Juan Creek Introduction Page San Juan Creek Introduction Page San Clemente Watershed Introduction Page

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 13 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 - for more information click to Conservation Technology Information Centers (CTIC).

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The Watersheds
A - Coyote CreekCoyote Creek
B - Carbon CreekCarbon Creek
C- WestminsterWestminster
D - TalbertTalbert
E - Santa Ana RiverSanta Ana River
F - San Diego CreekSan Diego Creek
G - Newport BayNewport Bay
H - Newport CoastNewport Coast
I - Laguna CanyonLaguna Canyon
J - Aliso CreekAliso Creek
K - Salt CreekSalt Creek
L - San Juan CreekSan Juan Creek
M - San Clemente San Clemente
N - Coastal ResourcesCoastal Resources

 
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