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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.
 
East Orange County Water District
185 N. McPherson Road
Orange, CA 92869
(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) 494-8571
Fax: (949) 494-8571

Golden State Water Co.
Orange County District:
1920 West Corporate Way
Anaheim, CA 92801
(714) 535-8010
Fax: (714) 535-8664

Irvine Ranch Water District
15600 Sand Canyon Ave.
Irvine, CA 92619-7000
(949) 453-5300
Fax: (949) 453-0128

Laguna Beach County Water District
306 Third Street
Laguna Beach, CA 92651
(949) 494-1041
Fax: (949) 497-1021

Mesa Water District
1965 Placentia Ave.
Costa Mesa, CA 92627
(949) 631-1200
Fax: (949) 574-1036
Moulton Niguel Water District
27500 La Paz Road
Laguna Niguel, CA 92677
 
(949) 831-2500
Fax: (949) 831-5651

Orange County Water District
18700 Ward St.
Fountain Valley, CA 92708
(714) 378-3200
Fax: (714) 378-3373

Santa Margarita Water District
26111 Antonio Parkway, RSM
Mission Viejo, CA 92690
(949) 459-6400
Fax: (949) 459-6463

Serrano Water District
18021 East Lincoln Street
Villa Park, CA 92861
(714) 538-0079
Fax: (714) 538-5279

South Coast Water District
31592 West Street
Laguna Beach, CA 92651
(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) 777-3018
Fax: (714) 777-8304
  
 
City of Brea
One Civic Center Circle
Brea, CA 92821
(714) 990-7600
Fax: (714) 990-2258
Emergency: (714) 990-7624
Closed alternate Fridays
 
City of Buena Park
6650 Beach Blvd.
Buena Park, CA 90620
(714) 562-3500
Fax: (714) 562-3599
Emergency: (714) 562-3599
Closed alternate Fridays

City of Fountain Valley
18240 Ward Street
Fountain Valley, CA 92708
(714)593-4493
Fax: (714) 965-3253
Emergency: (714) 593-4485

City of Garden Grove
13802 Newhope Street
Garden Grove, CA 92843
(714) 741-5395
Fax: (714) 638-9906
Emergency: (714) 741-5395

City of Huntington Beach
19001 Huntington Street
Huntington Beach, CA 92648
(714) 536-5921
Fax: (714) 847-1067

City of La Habra
201 E. La Habra Blvd.
La Habra, CA 90633-0337
(562) 905-9700
Fax: (562) 905-9781

City of La Palma
7822 Walker Street
La Palma, CA 90623
(714) 523-7700
Fax: (714) 523-2141

City of Orange
189 S. Water Street
Orange, CA 92866
(714) 288-2475
Fax: (714) 744-2973

City of Newport Beach
3300 Newport Boulevard
Newport Beach, CA 92663
(949) 644-3309
Fax: (949) 644-3339

City of San Clemente
100 Avenida Presidio
San Clemente, CA 92672
(949) 366-1553
Fax: (949) 361-8234

City of San Juan Capistrano
32450 Paseo Adelanto
San Juan Capistrano, CA 92693
(949) 493-1515
Fax: (949) 493-3955

City of Seal Beach
211 8th Street
Seal Beach, CA 90740
(714) 828-8550
Fax: (562) 431-2541
Emergency: (562) 431-2541

City of Tustin
235 E. Main Street
Tustin, CA 92780
(714) 573-3375
Fax: (714) 838-0039

City of Westminster
8200 Westminster Blvd.
Westminster, CA 92683
(714) 898-3311
Fax: (714) 373-5328
Emergency: (714) 898-3315