東部市政水務局
(Eastern Municipal Water District)
洛杉磯水電局
(Los Angeles Department of Water and Power)
內陸帝國區公用服務機構
(Inland Empire Utilities Agency)
東部市政水務局
(Eastern Municipal Water District)
西部市政水務局
(Western Municipal Water District)
橘縣市政水務局
(Municipal Water District of Orange)
內陸帝國區公用服務機構
(Inland Empire Utilities Agency)
橘縣市政水務局和橘縣
(Municipal Water District of Orange & the County of Orange)
長灘水務局
(Long Beach Water Department)
聖地牙哥縣水務局
(San Diego County Water Authority)
