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 websites:

Click on your city below and find out:

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

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 (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 Works (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	Entire city, primarily South of U.S. 101	North of U.S. 101	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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Stanford

Water supplier:	Stanford University, Utilities Division (650) 725-8030
Source of water	San Francisco Public Utilities Commission
Treatment	Chloraminated
Area served	Stanford University

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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