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Serving All of San Diego County
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    Backflow Testing

    Backflow Testing

    Licensed Contractor | Multi-Test Discounts | 30 Years of Experience

    Licensed Contractor 
    Multi-Test Discounts
    30 Years of Experience

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    Get Quality Backflow Services

    Depend on the licensed experts at BAJ Backflow & Plumbing to provide you with quality backflow testing services. We are a locally owned and operated business with 30 years of experience. Call us today to get a FREE phone estimate on your testing needs. Get multi-test and referral discounts too!

    Comprehensive Backflow Services

    • Backflow testing for all San Diego County
    • Backflow repairs and installations
    • Backflow anti-theft devices and cages
    • Commercial, residential, property management, and H.O.A.S
    • Out of town owners welcome
    • Tenant improvement, water heater, garbage disposal, toilet, and facets

    Determining the Issue

    At BAJ Backflow & Plumbing, our licensed team of professionals is dedicated to helping you service and maintain the water quality of our public drinking water system. The thorough inspection and a comprehensive plan, our technicians will use up-to-date and code requirements to help prevent the possibility of contaminated water from entering your dwelling.

    Contact our team today for a FREE phone estimate or service in your area!

    Serving Areas of Our Team

    • Alpine
    • Encinitas 
    • San Diego 
    • Bonita Escondido
    • Mission Bay
    •  San Marcos
    •  Fallbrook
    • National City
    • San Marcos
    • Hillcrest 
    • Oceanside
    • San Ysidro
    • Campo
    • Pacific Beach
    • Santee
    • Cardiff
    • Pala
    • Solana Beach
    • Cardiff-by-the Sea
    • Jamul
    • Point Loma
    • Spring Valley
    • Carlsbad
    • Poway
    • Valley Center
    • Chula Vista
    • La Mesa
    • Ramona
    • Vista
    • Coronado
    • Lakeside
    • Rancho Bernardo
    •  Del Mar
    • Lemon Grove
    • Rancho Santa Fe
    •  El Cajon 
    • Leucadia
    Call Us Today for a FREE Phone Estimate on Backflow Testing Services!
    (619) 722-1372

    Learn About Backflow

    • What is "Backflow"?

      The term "backflow" refers to water supplied from a pressured source that has flowed into a building, then flows backward, back into the water supply due to a sudden loss of pressure from the source. Backflow occurs at the point where the pressured water supply is connected to its destination, usually a building or a residential home connected to a municipal water supply with a meter located curbside.

    • What Is a Backflow Prevention Device?

      A backflow prevention device is used to prevent contaminated water from flowing backward out of a building into a city water supply in the case of a sudden loss of pressure from a broken water main or natural disaster. Backflow prevention protects the potable water system from minor, moderate, and severe hazards. A check valve, or backflow prevention device, is a common form of backflow prevention.

    • Who Needs a Backflow Prevention Device?

      Any house or building with a water supply or auxiliary water system. Any commercial or professional building with a sprinkler system, lab equipment, boiler, water storage tank, etc.

    • Why Are Backflow Prevention Devices Required?

      Water contamination from backflow into the municipal water supply can be fatal. There are over 10,000 reported cases of backflow contamination each year. In the USA, the Environmental Protection Agency (EPA) holds local water suppliers responsible for maintaining a certain amount of purity in potable water systems. Backflow devices are required by law and must be installed in accordance with plumbing or building codes.

    • When Must a Backflow Prevention Device Be Tested?

      Many states and/or local municipalities require annual testing of backflow prevention devices. A backflow prevention device must also be tested if newly installed, relocated, or repaired.

    • How Is a Backflow Prevention Device Tested?

      Backflow prevention devices have to test valves for certified testing to ensure that they are functioning properly. A backflow prevention device must be tested annually by a certified backflow inspector such as BAJ Backflow & Plumbing.

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