Backflow Prevention & Testing in Pomona
Local Backflow Prevention & Testing in Pomona, done right the first time by the Native Plumbing LLC crew.

Backflow Prevention & Testing in Pomona
Backflow prevention involves installing and maintaining devices that stop contaminated water from reversing flow into your potable water supply. Property owners in Pomona need this service to comply with local health codes and ensure their drinking water remains safe from pollutants entering the system through cross-connections.
This service is crucial for protecting public health by preventing harmful contaminants from entering the municipal water supply. Neglecting backflow prevention can lead to serious health risks, costly fines from the Pomona Water Department, and potential liability for water contamination.
What's included in Backflow Prevention & Testing
Why Pomona chooses us
Right-sized service, so you never pay for more than you need.
Follow-up after the job to make sure it's right.
Flat rates you can plan around, with no surprise add-ons.
Work done to code and signed off before we leave.
Quick turnaround — most Pomona jobs booked within a day or two.
A team that treats a small job with the same care as a big one.
Serving Pomona & nearby
Our crews work across Pomona and the surrounding San Diego area every week. From Downtown Pomona (southern edge) and Westmont to the quiet residential streets, Pomona property owners trust Native Plumbing LLC for Backflow Prevention & Testing done right the first time.
Serving Pomona and areas near Downtown Pomona (southern edge), Westmont, Indian Hill Boulevard area, Phillips Ranch.
How it works
Quick estimate
Share the details and get a fast, no-obligation quote.
Schedule it
Pick a time that works — evenings and weekends included.
Sit back
We deliver Backflow Prevention & Testing in Pomona and follow up after.
What affects the cost of Backflow Prevention & Testing
Frequently asked questions
How often is backflow testing required in Pomona?
In Pomona, backflow prevention assemblies are typically required to be tested and certified annually by a licensed backflow tester.
What is the difference between an RPZ and a PVB?
An RPZ (Reduced Pressure Zone) assembly is designed for high-hazard applications and can protect against both backpressure and backsiphonage, while a PVB (Pressure Vacuum Breaker) is for low-hazard applications and only protects against backsiphonage.
What happens if my backflow device fails its annual test?
If your backflow device fails its annual test, it will need to be repaired or replaced by a certified technician, and then retested to ensure it is functioning correctly and in compliance with Pomona regulations.
Do I need a backflow preventer for my irrigation system in Pomona?
Yes, in Pomona, irrigation systems are considered a potential cross-connection hazard and typically require an approved backflow prevention device, such as a PVB or RPZ, to protect the potable water supply.
Do you work weekends?
We keep flexible hours, including evenings and weekends where we can.
What areas do you cover?
We serve Pomona and the surrounding San Diego communities.
What San Diego homeowners say
“Our new tankless water heater installation was seamless. The team was clean and respectful of our home.”
“Excellent service! They cleared a stubborn drain that other plumbers couldn't. Very impressed with their expertise.”
“Friendly and professional from start to finish. They explained everything clearly and did a fantastic job.”
We stand behind our work with a 100% satisfaction guarantee. If you're not happy, we'll make it right.