MWDOC's Service Area
The Municipal Water District of Orange County (MWDOC) is a wholesale water supplier and resource planning agency that supports reliable water service and offers a variety of shared services that benefit all of Orange County.
MWDOC purchases imported water from The Metropolitan Water District of Southern California and delivers it to its 27 member agencies, which include 13 cities, 13 water districts, and one groundwater wholesale agency. These member agencies deliver drinking water directly to residents and businesses, and the groundwater agency manages and protects the Orange County Groundwater Basin. Other water providers in Orange County that are not MWDOC member agencies include the cities of Anaheim, Fullerton, and Santa Ana.
A Wholesale Imported
Water Provider
MWDOC does not serve residential or business customers directly. To report a water emergency such as water main breaks, service leaks, etc., or to change or start a new water service, please contact your retail water provider directly. See the agency contact information below.
To use the interactive map, click on the legend or the map to view the member agency’s contact information.
MWDOC's Member Agencies
Orange County Water Providers
East Orange County Water District
185 N. McPherson Road
Orange, CA 92869
24-7 Emergency
(714) 538-5815
Fax: (714) 538-0334
El Toro Water District
24251 Los Alisos Blvd.
Lake Forest, CA 92630
(949) 837-7050
Fax: (949) 837-7092
Emergency: (949) 837-0660
Emerald Bay Service District
600 Emerald Bay
Laguna Beach, CA
(949) 494-8572
Emergency: (949) 533-2112
Golden State Water Co.
Los Alamitos Office:
10852 South Cherry Street
Los Alamitos, CA 90720
Placentia Office:
500 Cameron Street
Placentia, CA 92870
(909) 394-2272
Emergency: (800) 999-4033
Irvine Ranch Water District
15600 Sand Canyon Ave.
Irvine, CA 92619-7000
24-7 Emergency
(949) 453-5300
Laguna Beach County Water District
306 Third Street
Laguna Beach, CA 92651
Mesa Water District
1965 Placentia Ave.
Costa Mesa, CA 92627
(949) 631-1200
Fax: (949) 574-1036
Moulton Niguel Water District
26161 Gordon Rd
Laguna Hills, CA 92653
24-7 Emergency
(949) 831-2500
Orange County Water District
18700 Ward St., Unit B
Fountain Valley, CA 92708
(714) 378-3200
Fax: (714) 378-3373
Santa Margarita Water District
26111 Antonio Parkway, RSM
Mission Viejo, CA 92690
(949) 459-6420
(949) 361-6294 (after-hours)
Serrano Water District
18021 East Lincoln Street
Villa Park, CA 92861
24-7 Emergency
(714) 538-0079
Fax: (714) 538-5279
South Coast Water District
31592 West Street
Laguna Beach, CA 92651
24-7 Emergency
(949) 499-4555
Fax: (949) 499-4256
Trabuco Canyon Water District
32003 Dove Canyon Drive
Trabuco Canyon, CA 92679
(949) 858-0277
Fax: (949) 858-3025
Yorba Linda Water District
1717 East Miraloma Avenue
Placentia, CA 92870
(714) 701-3000
Fax: (714) 701-3058
Emergency: (714) 701-3000
City of Brea
One Civic Center Circle
Brea, CA 92821
(714) 990-7600
Fax: (714) 990-2258
Emergency: (714) 990-7625
Closed alternate Fridays
City of Buena Park
6650 Beach Blvd.
Buena Park, CA 90620
(714) 562-3500
Fax: (714) 562-3599
Closed alternate Fridays
City of Fountain Valley
10200 Slater Avenue
Fountain Valley, CA 92708
(714) 593-4433
Fax: (714) 593-4494
Emergency: (714) 593-4485
City of Garden Grove
13802 Newhope Street
Garden Grove, CA 92843
(714) 741-5395
Emergency: (714) 741-5704
City of Huntington Beach
2000 Main Street
Huntington Beach, California 92648
24-7 Emergency
(714) 536-5921
Fax: (714) 374-1573
City of La Habra
621 West Lambert Road
La Habra, CA 90631
(562) 383-4170
Fax: (562) 383-4497
City of La Palma
7821 Walker Street
La Palma, California 90623
(714) 690-3310
Fax: (714) 523-2967
Emergency: (714) 690-3368
City of Newport Beach
100 Civic Center Drive
Newport Beach, CA 92660
(949) 644-3311
Fax: (949) 644-3318
City of Orange
189 S. Water Street
Orange, CA 92866
(714) 288-2475
Emergency: (714) 538-1961
City of San Clemente
380 Ave Pico, Bldg. N
San Clemente, CA 92672
24-7 Emergency
(949) 366-1553
Fax: (949) 361-8234
City of Tustin
300 Centennial Way
Tustin, CA 92780
(714) 573-3000
Fax: (714) 832-0825
Emergency (after hours)
(714) 549-6913
City of Westminster
8200 Westminster Blvd.
Westminster, CA 92683
(714) 898-3311
Fax: (714) 373-4684
Emergency (6:30 am – 5:00 pm M-F)
(714) 895-2876
Emergency (after-hours)
(714) 898-3315
City of Santa Ana
MWDOC Directors Represent a Portion of the Service Area
A seven-member Board of Directors governs MWDOC. Each director is elected to a four-year term by Orange County voters who reside within one of the seven divisions in the MWDOC service area.
Divison 1
Brea, Buena Park, portions of Golden State Water Co., La Habra, La Palma*, and Yorba Linda Water District
*City split by proposed division
Director: Al Nederhood
Term: 2020 – Present
Division 2
Portions of East Orange County Water District, portions of Garden Grove, portions of Golden State Water Co., and portions of Irvine Ranch Water District, Orange, and Serrano Water District
Director: Larry D. Dick
Board President
Term: 2000 – Present
Division 3
Cypress, Fountain Valley, and portions of Garden Grove, Los Alamitos, Stanton, Westminster, and Unincorporated Orange County (Rossmoor, Midway City)
Director: Robert R. McVicker, P.E.
Term: 2019 – Present
Division 4
Huntington Beach, portions of Irvine Ranch Water District, Mesa Water District, and Seal Beach
Director: Karl W. Seckel, P.E.
Term: 2020 – Present
Division 5
El Toro Water District, portions of Irvine Ranch Water District, portions of Laguna Beach County Water District, portions of Moulton Niguel Water District, and Newport Beach
Director: Randall Crane, Ph.D.
Term: 2022 – Present
Division 6
Portions of Lake Forest, portions of Irvine, Tustin, Unincorporated Orange County (North Tustin, Trabuco Canyon)
Director: Jeffery M. Thomas
Board Vice President
Term: 2009 – Present
Division 7
Emerald Bay Service District, portions of Laguna Beach County Water District, portions of Moulton Niguel Water District, San Clemente, Santa Margarita Water District, and South Coast Water District
Director: Megan Yoo Schneider, Ed.D., P.E.
Term: 2017 – Present