Water Providers in Orange County
- Anaheim Water
- Buena Park Water
- City Of Brea Water
- City of Fullerton Water
- City of Orange Water
- El Toro Water District
- Fountain Valley Water
- Garden Grove Water
- Golden State Water - Cowan Heights
- Golden State Water - Placentia/Yorba Linda
- Golden State Water - West Orange
- Huntington Beach Water
- Irvine Water
- Laguna Beach Water District
- La Habra Water
- Mesa Water
- Moulton Niguel Water
- Newport Beach Water
- San Clemente Water
- San Juan Capistrano Water
- Santa Ana Water
- Santa Margarita Water District
- Seal Beach Water Department
- Serrano Water District
- South Coast Water
- Suburban Water - La Mirada
- The City of La Palma Water
- Trabuco Canyon Water District - TCWD
- Tustin Water
- Westminster Water
- Yorba Linda Water District
Water Providers by City
- Anaheim
- Anaheim
- Anaheim
- Brea
- Buena Park
- Costa Mesa
- Costa Mesa
- Cowan Heights
- Crystal Cove State Park
- Dove Canyon
- Emerald Bay
- Fountain Valley
- Fullerton
- Garden Grove
- Huntington Beach
- Irvine
- Laguna Beach
- Laguna Beach
- Laguna Niguel
- La Habra
- Lake Forest
- La Palma
- Lemon Heights
- Newport Beach
- Orange
- Orange
- Placentia
- Placentia
- Portola Hills
- Rancho Cielo
- Rancho Santa Margarita
- Robinson Ranch
- San Clemente
- San Juan Capistrano
- Santa Ana
- Santiago Canyon Estates
- Seal Beach
- Trabuco Canyon
- Trabuco Highlands
- Tustin
- Villa Park
- Walden
- Westminster
- Yorba Linda
