Find My Water Retailer | Santa Clara Valley Water
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The Santa Clara Valley Water District, as a countywide wholesale water and groundwater management agency, relies on local retailers (municipalities and private companies) to deliver water to homes and businesses throughout the county. These retailers enact and implement local water use ordinances. Residents and businesses can expect their local water provider to implement measures to reach the regional 20 percent water use reduction target.  

We hope you find the following information useful in determining the sources of your water.

For more information, links are provided below to different water company websites organized by city or town:.

Campbell

City of Campbell Water Retailer

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

San Jose Water Company

(408) 279-7900

Rules and Tips

Rebates and Programs

Entire City

Blend, primarily:

SCVWD

Chloramine

Remainder:

Well water

Chlorinated

Cupertino

City of Cupertino Water Retailers

Water Suppliers

Water Conservation

Area Served

Water Source

Treatment

San Jose Water Company

(408) 279-7900

 

Rules and Tips  

Rebates and Programs

South of Hwy 280

SCVWD

(2 wells for backup)

Chloramine

California Water Service Company

(650) 917-0152

Rules and Tips

Rebates and Programs

From Homestead to Stevens Creek area

SCVWD

Chloramine

Gilroy

City of Gilroy Water Retailer

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

Gilroy Community Services Department

(408) 846-0400

Rules and Tips

Rebates and Programs

Entire city

Well water

Chlorinated

Los Altos

City of Los Altos Water Retailer

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

California Water Service Company

(650) 917-0152

Rules and Tips

Rebates and Programs

Entire city

72% SCVWD

Chloramine

28% Well water

Chlorinated

Los Altos Hills

Town of Los Altos Hills Water Retailers

Water Suppliers

Water Conservation

Area Served

Water Source

Treatment

Purissima Hills Water District  

(650) 948-1217

Rules and Tips

Rebates and Programs

North to Stanford, east to Los Altos/Palo Alto boundary, south to Neary Quarry and west to south side of Page Mill Road

Hetch Hetchy  

Chloramine

California Water Service Company

(650) 917-0152

Rules and Tips

Rebates and Programs

Remainder of the town

72% SCVWD

Chloramine

28% Well water

Chlorinated

Los Gatos

Town of Los Gatos Water Retailer

Water Supplier

Water Conservation

Area served

Water source

Treatment

San Jose Water Company 

(408) 279-7900

Rules and Tips

Rebates and Programs 

Entire town

Blend of: 80% surface from Los Gatos Creek watershed

Chlorinated

20% SCVWD

Chloramine

Milpitas

City of Milpitas Water Retailer

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

City of Milpitas Community Services

(408) 586-2600

Rules and Tips

Rebates and Programs

City and remaining industrial tracts

Hetch Hetchy

Chloramine

SCVWD 

Chloramine

Monte Sereno

City of Monte Sereno Water Retailer

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

City of Milpitas Community Services

(408) 586-2600

Rules and Tips
Rebates and Programs

Residential customers living east of I-680 and east of I-880; north of Calaveras and Pinewood housing tracts (Pinewood, Granada, Monte Vista)

Hetch Hetchy

Chloramine

Remaining industrial tracts

SCVWD 

Chloramine

Morgan Hill

City of Morgan Hill Water Retailer

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

City of Morgan Hill

(408) 776-7333

Rules and Tips

Rebates and Programs 

Entire city

Well water

Chlorinated

Mountain View

City of Mountain View Water Retailers

Water Suppliers

Water

Conservation

Area Served

Water Source

Treatment

City of Mountain View Public Works

(650) 903-6329

Rules and Tips

Rebates and Programs

North of U.S. 101 south to Cuesta Dr., east from Sunnyvale and west to Palo Alto/Los Altos border

Hetch Hetchy

Chloramine

 

 

South of Cuesta Dr. to Mountain View, west to Los Altos border

SCVWD

Chloramine

(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

Well water

Untreated

California Water Service Company

(650) 917-0152

Rules and Tips

Rebates and Programs

From Grant Road east in small areas around Highway 85

72% SCVWD

Chloramine

28% well water

Chlorinated

Palo Alto

City of Palo Alto Water Retailers

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

City of Palo Alto Utilities Department

(650) 329-2161

Rules and Tips

Rebates and Programs

Entire city

Hetch Hetchy  

Chloramine

San Jose

San Jose Area Water Providers

Water Suppliers

Water Conservation

Area Served

Water Source

Treatment

San Jose Water Company  

(408) 279-7900

Rules and tips

Rebates and Programs

North of Curtner Ave; west of U.S. 101

Well water

Chlorinated

All areas not served by Great Oaks Water Co. or San Jose Muni.

Surface water from Los Gatos Creek watershed

Chlorinated

South of Curtner Ave; east of U.S. 101

SCVWD

Chloramine

San Jose Municipal Water System

(408) 535-3500

Rules and Tips

Rebates and Programs

Alviso, San Jose, north of Trimble Road

Hetch Hetchy

Chloramine

Evergreen

SCVWD

Chloramine

Edenvale

Well water

Untreated

Coyote Valley

Well water

Untreated

Great Oaks Water Company

(408) 277-4218

Rebates and Programs

East of Snell Road, north of southern city limits, west of Coyote Creek, south of Riverview Drive and Monterey Rd.

Well water

Untreated

Santa Clara

City of Santa Clara Water Retailers

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

City of Santa Clara Water Department

(408) 615-2000

Rules and Tips

Entire city, primarily South of U.S 101

Well water

Untreated

North of U.S. 101

Hetch Hetchy

Chloramine

Southwest portion of the city

SCVWD

Chloramine

Saratoga

City of Saratoga Water Retailers

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

San Jose Water Company

(408) 279-7900

Rules and Tips

Rebates and Programs

Village and downtown hills area

Surface water from Saratoga Creek

Chlorinated

Hwy 85 flat area

SCVWD

Chloramine

Stanford

Stanford University Utilities Division

Water Supplier

Water Conservation

Area Served

Water Source

Treatment

Stanford University, Utilities Division

(650) 725-8030

Rules and Tips

Rebates and Programs

Stanford University

San Francisco Public Utilities Commission

 Chloraminated

Sunnyvale

City of Sunnyvale Water Retailers

Water Suppliers

Water Conservation

Area Served

Water Source

Treatment

City of Sunnyvale Public Works Department

 (408) 730-7510

Conservation Programs, Water Usage, and Reporting

Rebates and Programs

North of El Camino

Hetch Hetchy

Chloramine

Southern part of city

SCVWD

Chloramine

Southern part of city

Well water

Untreated

Irrigation purposes

Non-potable recycled water

 

California Water Service Company  

(650) 917-0152

Rules and Tips

From Grant Road east in small areas to Highway 85

72% SCVWD

Chloramine

28% Well water

Chlorinated