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Local water retailers

Your drinking water comes from us, the Santa Clara Valley Water District, to your water company, to you.

We hope you find the following charts useful in determining the sources of your water. Just click on the city you live in and go from there. For more information, links are provided to different water company Web sites:

Click on your city below and find out!

Campbell Los Gatos Palo Alto
Cupertino Milpitas San Jose
Gilroy Monte Sereno Santa Clara
Los Altos Morgan Hill Saratoga
Los Altos Hills Mountain View Sunnyvale

 


Campbell

Water supplier: San Jose Water Company
(408) 279-7900
Source of water Blend, primarily: SCVWD
Remainder: Well water
Treatment Chloramine
Chlorinated
Area served Entire city

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Cupertino

Water supplier: San Jose Water Company
(408) 279-7900
Source of water SCVWD
(2 wells for backup)
Treatment Chloramine
Area served South of Hwy 280

Water supplier: California Water Service Company
(650) 917-0152
Source of water SCVWD
Treatment Chloramine
Area served From Homestead to Stevens Creek area

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Gilroy

Water supplier: Gilroy Community Services Department
(408) 846-0400
Source of water Well water
Treatment Chlorinated
Area served Entire city

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Los Altos

Water supplier: California Water Service Company
(650) 917-0152
Source of water 72% SCVWD 28% well water
Treatment Chloramine Chlorinated
Area served Entire city

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Los Altos Hills

Water supplier: Purissima Hills Water District
(650) 948-1217
Source of water Hetch Hetchy
Treatment Chloramine
Area served North to Stanford, east to Los Altos/Palo Alto boundary, south to Neary Quarry and west to south side of Page Mill Road

Water supplier: California Water Service Company
(650) 917-0152
Source of water 72% SCVWD 28% well water
Treatment Chloramine Chlorinated
Area served Remainder of the city

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Los Gatos

Water supplier: San Jose Water Company
(408) 279-7900
Source of water Blend of: 80% surface water from Los Gatos Creek watershed 20% SCVWD
Treatment Chlorinated Chloramine
Area served Entire city

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Milpitas

Water supplier: City of Milpitas Community Services
(408) 586-2600
Source of water Hetch Hetchy SCVWD
Treatment Chloramine Chloramine
Area served Residential customers living east of I-680 and east of I-880; north of Calaveras and Pinewood housing tracts (Pinewood, Granada, Monte Vista) Remaining industrial tracts

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Monte Sereno

Water supplier: San Jose Water Company
(408) 279-7900
Source of water Blend of: 80% surface water from Los Gatos Creek watershed 20% SCVWD
Treatment Chlorinated Chloramine
Area served Entire city

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Morgan Hill

Water supplier: City of Morgan Hill Public Works Department
(408) 776-7333
Source of water Well water
Treatment Chlorinated
Area served Entire city

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Mountain View

Water supplier: City of Mountain View Public Services Department
(650) 903-6329
Source of water Hetch Hetchy SCVWD Well water
Treatment Chloramine Chloramine Untreated
Area served North of U.S. 101 south to Cuesta Dr., east from Sunnyvale and west to Palo Alto/Los Altos border
South of Cuesta Dr. to Mountain View, west to Los Altos border (West; Well 19) Evelyn to Castro and south along Highway 85 to El Camino Real
(East; Well 20) Moorpark south and southwest to El Camino Real
(North; Wells 21 and 10) Rengstorff west to Mayfield. Gladys west to Farley
click here

Water supplier: California Water Service Company
(650) 917-0152
Source of water 72% SCVWD 28% well water
Treatment Chloramine Chlorinated
Area served From Grant Road east in small areas to Highway 85

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Palo Alto

Water supplier: City of Palo Alto Utilities Department
(650) 329-2161
Source of water Hetch Hetchy
Treatment Chloramine
Area served Entire city

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San Jose

Water supplier: San Jose Water Company
(408) 279-7900
Source of water Well water
Surface water from Los Gatos Creek watershed SCVWD
Treatment Chlorinated
Chlorinated Chloramine
Area served North of Curtner Ave; west of U.S. 101 All areas not served by Great Oaks Water Co. or San Jose Muni.
South of Curtner Ave; east of U.S. 101

Water supplier: Great Oaks Water Company
(408) 227-9540
Source of water Well water
Treatment Untreated
Area served East of Snell Road, north of southern city limits, west of Coyote Creek, south of Riverview Drive and Monterey Rd.

Water supplier: San Jose Municipal Water System
(408) 277-4218
Source of water
Hetch Hetchy
SCVWD Well water Well water
Treatment Chloramine Chloramine Untreated Untreated
Area served Alviso, San Jose, north of Trimble Road Evergreen Edenvale Coyote Valley

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Santa Clara

Water supplier: City of Santa Clara Water Department
(408) 615-2000

Source of water

Occasionally well water is mixed with water from other sources.
Well water Hetch Hetchy SCVWD
Treatment Untreated Chloramine Chloramine
Area served South of U.S. 101 Entire city Southwest portion of the city

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Saratoga

Water supplier: San Jose Water Company
(408) 279-7900
Source of water Surface water from Saratoga Creek SCVWD
Treatment Chlorinated Chloramine
Area served Village and downtown hills area Hwy 85 flat area

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Sunnyvale

Water supplier: City of Sunnyvale Public Works Department
(408) 730-7510
Source of water
Hetch Hetchy
SCVWD Well water Non-potable recycled water
Treatment Chloramine Chloramine Untreated  
Area served North of El Camino Real Southern part of city Southern part of city
Non-potable recycled water for irrigation purposes

Water supplier: California Water Service Company
(650) 917-0152
Source of water 72% SCVWD 28% well water
Treatment Chloramine Chlorinated
Area served From Grant Road east in small areas to Highway 85

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Related Information

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Providing stream stewardship, wholesale water supply and flood protection for Santa Clara County.