Service Areas
Water Treatment Across Orange County
Newport Beach
City of Newport Beach Utilities
Hardness: 14–22 GPG
Irvine
Irvine Ranch Water District
Hardness: 12–18 GPG
Laguna Beach
Laguna Beach County Water District
Hardness: 16–24 GPG
Dana Point
South Coast Water District
Hardness: 15–22 GPG
Huntington Beach
City of Huntington Beach Water Division
Hardness: 10–16 GPG
Costa Mesa
Mesa Water District
Hardness: 12–20 GPG
Mission Viejo
El Toro Water District
Hardness: 14–20 GPG
Anaheim
City of Anaheim Public Utilities
Hardness: 12–18 GPG
Santa Ana
City of Santa Ana Water Resources Division
Hardness: 14–22 GPG
Tustin
City of Tustin Water Service
Hardness: 13–19 GPG
Aliso Viejo
El Toro Water District
Hardness: 14-20 GPG
Brea
City of Brea Water Division
Hardness: 12-18 GPG
Buena Park
City of Buena Park Water Services
Hardness: 11-17 GPG
Cypress
City of Cypress Public Works
Hardness: 10-16 GPG
Fountain Valley
City of Fountain Valley Water Utility
Hardness: 11-17 GPG
Fullerton
City of Fullerton Water Engineering
Hardness: 12-19 GPG
Garden Grove
City of Garden Grove Water Services
Hardness: 12-18 GPG
La Habra
La Habra Heights County Water District
Hardness: 14-21 GPG
La Palma
City of La Palma Water Division
Hardness: 10-15 GPG
Laguna Hills
El Toro Water District
Hardness: 14-20 GPG
Laguna Niguel
Moulton Niguel Water District
Hardness: 15-22 GPG
Laguna Woods
El Toro Water District
Hardness: 14-19 GPG
Lake Forest
El Toro Water District
Hardness: 13-20 GPG
Los Alamitos
Golden State Water Company
Hardness: 11-16 GPG
Orange
City of Orange Water Division
Hardness: 13-20 GPG
Placentia
City of Placentia Water Utility
Hardness: 12-18 GPG
Rancho Santa Margarita
Santa Margarita Water District
Hardness: 15-23 GPG
San Clemente
City of San Clemente Utilities
Hardness: 16-24 GPG
San Juan Capistrano
City of San Juan Capistrano Utilities
Hardness: 15-22 GPG
Seal Beach
City of Seal Beach Water Department
Hardness: 10-15 GPG
Stanton
City of Stanton Water Services
Hardness: 11-17 GPG
Villa Park
Serrano Water District
Hardness: 14-21 GPG
Westminster
City of Westminster Water Division
Hardness: 11-17 GPG
Yorba Linda
Yorba Linda Water District
Hardness: 14-22 GPG
Water Treatment Across Los Angeles
Beverly Hills
City of Beverly Hills Water
Hardness: 12–18 GPG
Bel Air
LADWP
Hardness: 10–16 GPG
Brentwood
LADWP
Hardness: 10–16 GPG
Pacific Palisades
LADWP
Hardness: 10–16 GPG
Santa Monica
City of Santa Monica Water
Hardness: 12–18 GPG
Malibu
Los Angeles County Waterworks District No. 29
Hardness: 14–20 GPG
Manhattan Beach
California Water Service
Hardness: 10–16 GPG
Hermosa Beach
California Water Service
Hardness: 10–16 GPG
Redondo Beach
California Water Service
Hardness: 10–16 GPG
Palos Verdes Estates
California Water Service
Hardness: 12–18 GPG
Rancho Palos Verdes
California Water Service
Hardness: 12–18 GPG
Torrance
City of Torrance Water Services
Hardness: 10–16 GPG
Long Beach
Long Beach Water Department
Hardness: 12–20 GPG
Cerritos
City of Cerritos Water Division
Hardness: 14–20 GPG
La Mirada
Golden State Water Company
Hardness: 14–22 GPG
Whittier
Whittier Water Company
Hardness: 14–22 GPG
Downey
City of Downey Water Division
Hardness: 12–18 GPG
Lakewood
Lakewood Water Utility
Hardness: 12–18 GPG
Pasadena
Pasadena Water and Power
Hardness: 12–20 GPG
Arcadia
City of Arcadia Water Division
Hardness: 10–18 GPG
San Marino
San Marino Water Department
Hardness: 12–18 GPG
La Canada Flintridge
Foothill Municipal Water District
Hardness: 10–16 GPG
Calabasas
Las Virgenes Municipal Water District
Hardness: 12–18 GPG
Hidden Hills
Las Virgenes Municipal Water District
Hardness: 12–18 GPG
Westlake Village
Las Virgenes Municipal Water District
Hardness: 12–18 GPG
Agoura Hills
Las Virgenes Municipal Water District
Hardness: 12–18 GPG
Burbank
Burbank Water and Power
Hardness: 12–20 GPG
Glendale
Glendale Water & Power
Hardness: 14–22 GPG
Encino
LADWP
Hardness: 12–18 GPG
Sherman Oaks
LADWP
Hardness: 12–18 GPG
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