Vendor Information

Mission Statement:
The Municipal Water District of Orange County (MWDOC) is dedicated to ensuring water reliability for the communities we serve. Our efforts are focused on sound planning and appropriate investment in water supply, regional delivery infrastructure and emergency preparedness.

Location and Parking:
Any scheduled visits will take place at our administration building at 18700 Ward Street, Fountain Valley, CA 92708. A parking lot with designated visitor parking spots is available for guests.

Office Hours:
If you are interested in working with us and would like to speak with us in person, please schedule a visit during our regular business hours: 8 a.m. to 5 p.m. Monday through Friday.

All vendor invoices should be emailed to or mailed to:
Municipal Water District of Orange County
Accounting Department
P.O. Box 20895
Fountain Valley, California 92728


Contact Us:
For information regarding billing, please contact our accounting department:

Hilary Chumpitazi
Accounting Supervisor
(714) 593-5019

Mary Snow
(714) 593-5030

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