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The Municipal Water District of Orange County is a wholesale water supplier and resource planning agency that serves all of Orange County (except Anaheim, Fullerton, and Santa Ana) through 28 retail water agencies. We purchase imported water from the Metropolitan Water District of Southern California and distribute it to our client agencies, which provide retail water services to the public.

The Municipal Water District of Orange County (MWDOC) is pleased to present our 2017 Orange County Cities and Water Agencies Directory.  This electronic document is updated annually for MWDOC’s client agencies, O.C. county staff, state legislative staff and others who work and communicate with city and water officials throughout Orange County.  

If you have any questions, or if you wish to provide updates/corrections, comments or suggestions, please contact Laura Loewen at or (714) 593-5004.

Click on the image below to download the Directory.