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San Carlos, California | Municipal Water Utility Company | Public Service Announcement

The municipal water supply in California Water Service - San Carlos may be compromised by various contaminants including m-Xylene, Chromium (total), tert-Butyl alcohol and Nitrate and nitrite, and residents often experience elevated levels of water hardness. California Water Service - San Carlos provides your community with tap water sourced from purchased surface water supplies.

What's in your tap water?

Limited Time - Request your California Water Service - San Carlos Water Score Report at no cost.

US Public Records

California Water Service - San Carlos Area Details

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Area served:

San Carlos, California

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Population served:

30100

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Water source:

Purchased surface water

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Phone:

650-558-7800

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Address:

341 North Delaware Street, San Mateo, CA 94401

California Dinking Water Utility

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Contaminants Detected In San Carlos, California

Bromodichloromethane; Chloroform; Chromium (hexavalent); Dichloroacetic acid; Total trihalomethanes (TTHMs); Trichloroacetic acid; Bromodichloromethan… more

San Mateo Dinking Water Utility

Limited Time - Get the California Water Service - San Carlos Water Score Report for Free.

DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!

US Public Records

California Water Service - San Carlos

Annual Municipal Water Report

List of Municipal Water Contaminants Tested by California Water Service - San Carlos

Tested But Not Detected:
1,1-Dichloroethane; 1,2,3-Trichloropropane; 1,3-Butadiene; 1,4-Dioxane; Bromochloromethane; Bromomethane; Chlorodifluoromethane; Chloromethane; Chromium (total); Cobalt; Dibromoacetic acid; Molybdenum; Monobromoacetic acid; Monochloroacetic acid; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA)

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Discover which contaminants exceed Legal and Health Guidelines in your water.

DISCOVER THE TRUTH & SAFEGUARD YOUR FAMILY!

US Public Records

California Water Service - San Carlos

About Us


94401 Annual Water Report

Email

infoBAY@calwater.com


California Water Service - San Carlos Payment Options

For more California resources & information

California Water Utility Companies

California Water has delivered high-quality water services to the San Carlos community since 1931. Our water is sourced from the San Francisco Public Utilities Commission (SFPUC). The San Carlos system includes 17 storage reservoirs and 24 booster pumps to ensure reliable distribution.

Cal Water actively maintains and upgrades our facilities to guarantee reliable, quality service. If you have questions or concerns, please contact our local Customer Center by phone or through our website at www.calwater.com.

WATER CONSERVATION REMAINS VITAL: While we await long-term regulations from California, maintaining conservation habits is essential. Using water efficiently ensures adequate supply during drought years and for future generations. Cal Water offers robust conservation programs including rebates and resources to help customers save water. Visit www.calwater.com/conservation for details.

California EPA Water Reports

For additional information regarding your municipal water, visit the U.S. Environmental Protection Agency:

California Water Service - San Carlos Municipal Water Company and EPA

California Water Service - San Carlos Municipal Water Report Information

The EPA monitors public water systems to ensure compliance with federal health standards. Regular testing identifies contaminants that may pose health risks, allowing for appropriate treatment measures.

California Water Service - San Carlos submits detailed reports documenting water quality parameters, treatment processes, and compliance status with both state and federal regulations.

Municipal Water Utility Company FAQ

California CDC Tap Water Info

For more information on your municipal water, visit the U.S. CDC:

California Water Service - San Carlos Municipal Water Company and CDC

The CDC provides valuable resources about tap water safety, including:

  • Understanding common water contaminants and their health effects
  • Guidance for vulnerable populations such as children and immunocompromised individuals
  • Recommendations for water testing and treatment options
  • Information about waterborne disease prevention
California Water Service - San Carlos consumer info

California Water Service - San Carlos delivers municipal water services to residents of San Mateo and San Carlos, California.

Free Official Water Safety Report for California Water Service - San Carlos!