Water Districts

El Toro Water District
24251 Los Alisos Blvd.
Lake Forest, CA 92630
Tele: 949.837.7050
Fax: 949.837.7092
Emergency: 949.837.0660
(Serving Laguna Woods, Aliso Viejo, Laguna Hills, Lake Forest, Mission Viejo)

Emerald Bay Service District
600 Emerald Bay
Laguna Beach, CA
Tele: 949.494.8571
Fax: 949.494.8571
(Serving Emerald Bay)

Irvine Ranch Water District
15600 Sand Canyon Avenue
Irvine, CA 92618
Tele: 949.453.5300

Laguna Beach County Water District
306 Third Street
Laguna Beach, CA 92651
Tele: 949.494.1041
Fax: 949.497.1021
(Serving Laguna Beach, Crystal Cove State Park, Emerald Bay)

Moulton Niguel Water District
27500 La Paz Road
Laguna Niguel, CA 92677-3489
Tele: 949.831.2500
Fax: 949.831.5651
(Serving Aliso Viejo, Laguna Niguel, Laguna Hills, Mission Viejo, Dana Point)

Santa Margarita Water District
26111 Antonio Parkway, RSM
Mission Viejo, CA 92690
Tele: 949.459.6400
Fax: 949.459.6463 Fax
(Serving Mission Viejo, Rancho Santa Margarita, Coto de Caza, Las Flores, Ladera Ranch, Talega)

South Coast Water District
31592 West Street
Laguna Beach, CA 92651
Tele: 949.499.4555
Fax: 949.499.4256
(Serving Dana Point, South Laguna, North San Clemente)

Trabuco Canyon Water District
32003 Dove Canyon Dr.
Trabuco Canyon, CA 92679
Tele: 949.858.0277
Fax: 949.858.3025
(Serving Trabuco Canyon, Robinson Ranch, Trabuco Highlands, Walden, Rancho Cielo, Portola Hills, Santiago Canyon Estates, Dove Canyon)

Municipal Water District of Orange County (MWDOC)
18700 Ward Street
Fountain Valley, CA 92708
Tele: 714.963.3058
Fax: 714.964.9389
(Serving 28 Orange County client agencies)

To see a map of all Water Districts in Orange County, please click here.