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Backflow Prevention
Certified testing, repairs, and installation to keep your water safe and your property compliant.
FAQ
What is a backflow preventer? A backflow preventer is a mechanical device designed to keep contaminated water from flowing backward into the public drinking water system. These devices help protect homes, businesses, and communities from potential health hazards caused by cross-connections. Reference: Arizona Administrative Code R18-4-215 (Backflow Prevention Program).
Who is responsible for maintaining my backflow preventer? In Arizona, the property owner is generally responsible for the installation, maintenance, testing, repair, and replacement of backflow prevention assemblies located on their property. Reference: Arizona Administrative Code R18-4-215; local water utility cross-connection control programs.
What are signs my backflow preventer may need service? Common signs include: •Water leaking from the assembly •Corrosion or visible damage •A failed annual test •Notification from your water provider •Unusual water pressure issues If you notice any of these conditions, professional inspection is recommended. Reference: Manufacturer maintenance guidelines and local utility cross-connection control requirements.
What types of backflow devices do you service? Garner's Plumbing services and repairs: •Reduced Pressure Zone (RPZ) Assemblies •Double Check Valve Assemblies (DCVA) •Pressure Vacuum Breakers (PVB) •Spill-Resistant Vacuum Breakers (SVB) •Residential and commercial backflow prevention devices
Can I repair my own backflow preventer? Property owners may perform certain maintenance on their own property where permitted by law; however, official compliance testing required by water providers generally must be performed by a certified backflow tester. Reference: Arizona Administrative Code R18-4-215(C).
Why is annual backflow testing important? Annual testing helps: •Protect public health •Ensure safe drinking water •Comply with local utility requirements •Identify problems before they become costly repairs •Avoid possible interruption of water service for non-compliance Reference: Arizona Administrative Code R18-4-215; ADEQ Backflow Prevention Program
Why do I need a backflow preventer? Backflow prevention devices are required when a property has conditions that could allow contaminants, chemicals, fertilizers, irrigation water, or other substances to enter the public water supply. Water providers are authorized to require backflow protection as a condition of water service. Reference: Arizona Administrative Code R18-4-215.
How often does my backflow preventer need to be tested? Most backflow prevention assemblies must be tested at least once every year. Additional testing may be required by your local water provider depending on the type of device and level of hazard. Reference: Arizona Administrative Code R18-4-215(C).
What happens if my backflow preventer fails its test? If a device fails testing, it may require repair, rebuilding, or replacement. After corrective work is completed, the assembly must be retested to verify compliance before being approved for continued service. Reference: Arizona Administrative Code R18-4-215(C).
Who can perform a backflow test? Backflow testing must be performed by a certified backflow assembly tester recognized by Arizona requirements and accepted by the local water provider. Reference: Arizona Administrative Code R18-4-215(C); Arizona Department of Environmental Quality (ADEQ) Backflow Prevention Program.
Why is annual backflow testing important? Annual testing helps: •Protect public health •Ensure safe drinking water •Comply with local utility requirements •Identify problems before they become costly repairs •Avoid possible interruption of water service for non-compliance Reference: Arizona Administrative Code R18-4-215; ADEQ Backflow Prevention Program
Do you provide backflow repair and replacement services? Yes. Garner's Plumbing provides professional backflow prevention services, including testing coordination, repairs, rebuilding, replacement, and compliance assistance for residential and commercial properties. Reference: Arizona Registrar of Contractors – CR-37 Plumbing Classification.
Where can I learn more about Arizona backflow requirements?
Additional information is available from:
•Arizona Department of Environmental Quality (ADEQ) Backflow Prevention Program •Arizona Administrative Code R18-4-215 Backflow Prevention Rule
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Whether you need annual testing, repairs, replacement, or compliance assistance, Garner's Plumbing is here to help protect your water supply and keep your property in compliance.