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Professional Backflow Testing, Repair & Consultation in Sacramento County, Placer County, Yolo County.
Our Services
Comprehensive backflow prevention services to keep your water supply safe and your property compliant.
Backflow Testing
Annual backflow prevention device testing to ensure your water supply remains safe and compliant with state and local regulations.
- Annual compliance testing
- Certified test reports
- Same-day digital results
- All assembly types
Backflow Repair
Expert diagnosis and repair of failed or malfunctioning backflow prevention assemblies to restore compliance quickly.
- All major brands serviced
- OEM replacement parts
- Fast turnaround times
- Re-test after repair included
Consultation
Professional guidance on backflow prevention requirements, device selection, and cross-connection control program compliance.
- Regulatory compliance guidance
- Device selection assistance
- Cross-connection surveys
- New construction consulting
Protecting Your Water Supply
Norcal Backflow Solutions is a veteran-operated backflow prevention company based in Davis, CA, proudly serving Sacramento County, Placer County, Yolo County.
Founded by Marc Quezada, our mission is to deliver reliable, professional backflow testing, repair, and consultation services. With certifications from AWWA and the California State Water Resources Control Board (SWRCB), we bring the expertise your property needs to stay compliant and your water supply safe.
Whether you need annual testing, emergency repairs, or guidance on cross-connection control requirements, we are here to help with honest, transparent service.
Credentials & Certifications
Resources
Learn about backflow prevention and why it matters for your property.
What Is a Cross-Connection?
A cross-connection is any physical link between a potable (drinkable) water supply and a non-potable source. These connections can allow contaminated water to flow backward into the clean water supply.
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Cross-connections are commonly found in irrigation systems, fire sprinkler systems, boilers, swimming pools, and industrial processes. Without proper protection, changes in water pressure can cause backflow — a reversal of water flow that can introduce contaminants like chemicals, bacteria, or other hazardous substances into the public water supply.
California requires all water purveyors to implement cross-connection control programs. Property owners are responsible for installing and maintaining approved backflow prevention assemblies to protect the water supply.
What Is Backflow?
Backflow occurs when water flows in the opposite direction from its intended path. This can happen due to backpressure (downstream pressure exceeds supply pressure) or backsiphonage (negative pressure in the supply line).
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Backflow prevention devices are mechanical assemblies installed on water lines to prevent contaminated water from reversing into the potable supply. Common types include:
- Reduced Pressure Zone (RPZ) assemblies
- Double Check Valve Assemblies (DCVA)
- Pressure Vacuum Breakers (PVB)
- Atmospheric Vacuum Breakers (AVB)
California law requires these devices to be tested annually by a certified tester to ensure they are functioning properly. Failed tests require immediate repair and re-testing before the device can be returned to service.
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Get In Touch
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