Camrosa Water District -- Camarillo & Santa Rosa Valley

Oak Park Water Service Co. / Triunfo Sanitation District

V.C. Water Works Dist. No. 1 -- Moorpark

V.C. Water Works Dist. No. 17 -- Bell Canyon

V.C. Water Works Dist. No. 19 -- Somis/Las Posas Valley

U.S. Navy Capehart Housing -- Camarillo

Port Hueneme Water Agency -- City of Port Hueneme, Channel Islands Beach CSD, NAWS (Point Mugu), NCBC (Port Hueneme)