Backflow Prevention & Testing in Irvine
Cherny Plumbing brings dependable Backflow Prevention & Testing to Irvine homes and businesses.

Backflow Prevention & Testing in Irvine
Backflow prevention involves installing and maintaining devices that stop contaminated water from reversing flow into your clean drinking water supply. Property owners in Irvine typically need this service annually, especially if they have irrigation systems, fire suppression systems, or commercial properties, to comply with local health regulations and protect public health.
This service is crucial for preventing the contamination of your potable water supply with pollutants or toxins, safeguarding the health of your family and community. Neglecting backflow prevention can lead to serious health risks, fines from the Irvine Water Department, and potential water shut-off until compliance is met.
What's included in Backflow Prevention & Testing
Why Irvine chooses us
Work done to code and signed off before we leave.
A team that treats a small job with the same care as a big one.
Flat rates you can plan around, with no surprise add-ons.
Quick turnaround — most Irvine jobs booked within a day or two.
Right-sized service, so you never pay for more than you need.
Honest advice, even when the answer is 'you don't need that.'
Serving Irvine & nearby
Our crews work across Irvine and the surrounding San Diego area every week. From Cadence Park and Beacon Park to the quiet residential streets, Irvine property owners trust Cherny Plumbing for Backflow Prevention & Testing done right the first time.
Serving Irvine and areas near Cadence Park, Beacon Park, Orange County Great Park Area, Oak Creek.
Getting started is easy
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 Irvine and follow up after.
What affects the cost of Backflow Prevention & Testing
Frequently asked questions
How often do backflow devices need to be tested in Irvine?
In Irvine, backflow prevention devices typically require annual testing and certification by a qualified technician to ensure they are functioning correctly and to comply with local regulations.
What types of properties require backflow prevention?
Commercial properties, multi-family residences, and properties with irrigation systems, fire suppression systems, or boilers are common examples of those requiring backflow prevention in Irvine.
What is the difference between an RPZ and a PVB?
An RPZ (Reduced Pressure Zone) assembly offers high-level protection against both backpressure and backsiphonage, suitable for high-hazard applications. A PVB (Pressure Vacuum Breaker) is for lower-hazard applications and protects only against backsiphonage.
What happens if my backflow device fails its test?
If your backflow device fails its test, it must be repaired or replaced promptly by a certified technician. The Irvine Water Department will require a retest to ensure compliance and prevent potential water contamination.
What areas do you cover?
We serve Irvine and the surrounding San Diego communities.
How fast can you start?
In most of Irvine, we can schedule Backflow Prevention & Testing within a day or two of your call.
What San Diego homeowners say
“Great value and top-notch service. They fixed our garbage disposal and even gave us tips for maintenance. Will definitely call them again.”
“Excellent service! They replaced our water heater efficiently and at a fair price. Very impressed with their punctuality and expertise.”
“Fantastic experience from scheduling to completion. The plumber was very thorough and explained everything clearly before starting the work.”
We stand behind our work with a comprehensive workmanship guarantee, ensuring every repair and installation meets the highest standards of quality and durability. If you're not completely satisfied, we'll make it right.