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            • Mesa Water District

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              1965 Placentia Avenue
              Costa Mesa, CA 92627-3420
              (949) 631-1200
              (949) 574-1036 (fax)
              Hours:
              Mon thru Thurs 7:30 a.m. to 5:00 p.m.
              Fri 8 a.m. to 5:00 p.m.

              About Us

              We supply drinking water to 110,000 residents in an 18-square-mile area. The service area includes Costa Mesa, parts of Newport Beach, and some unincorporated areas of Orange County, including John… read more