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Chapel Hill, NC · Backflow Prevention

Backflow Services in Chapel Hill, NC

Certified backflow testing, repair, prevention, and replacement — with all the paperwork filed with your water authority for you.

Certified & insured Same-day service Owner-operated, local 5.0★ across 93 reviews
Why us

Why the Triangle Calls Us First

State-Certified

Licensed backflow specialists who know Triangle water-authority rules.

Paperwork Filed

We submit your test report directly to the water authority.

Same-Week Service

Fast scheduling so you never miss a compliance deadline.

Honest Pricing

Flat, upfront fees with no surprises.

What Backflow Prevention Is — and Why It Matters

Backflow is the unwanted reversal of water flow through your plumbing. Under the wrong pressure conditions — a water main break, heavy demand from a nearby hydrant, or a pump kicking on — contaminated water from an irrigation line, boiler, pool, or commercial process can be drawn backward into the clean water supply. A backflow prevention assembly is the mechanical safeguard that stops that from happening, and it is the single device protecting your drinking water from contamination.

Because that protection is so critical, every backflow assembly has to be tested regularly to confirm it still works. Internal seals, springs, and check valves wear over time, and a device that fails silently offers no protection at all. That is why testing is not optional — it is required.

Certified plumber testing a brass backflow assembly with gauges
Backflow testing

Who Needs Backflow Testing in the Triangle

If your property has an in-ground irrigation system, a fire sprinkler line, a pool, a boiler, or any commercial water connection, you almost certainly have a backflow preventer that must be tested. New irrigation installs and older homes are the most common cases we see across Chapel Hill, Carrboro, Durham, Cary, and the surrounding Triangle.

Local Rules & Compliance

North Carolina rule 15A NCAC 18C requires approved backflow protection wherever the public water supply could be contaminated, and every local water authority — OWASA in Chapel Hill and Carrboro, Raleigh Water, the Town of Cary, the Town of Apex, and others — runs a cross-connection control program that mandates annual testing. Each authority sends notices and expects a passing report from a state-certified tester every year. We handle that entire process for you, including filing the report so your account stays in good standing and you never receive a disconnection notice.

Brass backflow preventer protecting a residential water supply
Backflow protection

How Our Backflow Service Works

We schedule around you, often within the same week. Our certified technician tests every assembly on-site, completes the official paperwork the same day, and submits it to your water authority. If a device fails, we explain exactly what is wrong and what it costs to repair or replace before doing any work — then re-test to confirm it passes. One call covers testing, repair, replacement, prevention, and enclosures, so you only ever need one number for backflow.

What’s Included

State-certified backflow testers
Testing of all assembly types (RP, DCVA, PVB)
Official report filed with your water authority
On-site repair, rebuild & replacement
Insulated freeze-protection enclosures
Same-week scheduling across the Triangle
Flat, upfront pricing — no surprises
Annual reminders so you never miss a deadline
5.0★Google rating
70+5-star reviews
100%Reports filed for you
CertifiedState-licensed testers
FAQ

Frequently Asked Questions

Is backflow testing required where I live?
Yes. North Carolina rule 15A NCAC 18C requires approved backflow protection wherever contamination is possible, and Triangle water authorities (OWASA, Raleigh Water, Town of Cary, and others) require annual testing of backflow assemblies on irrigation, fire, and commercial connections.
How often do I need a backflow test?
Once per year for most assemblies. Your water authority sends an annual notice, and each test must be performed by a state-certified tester and reported to the authority.
Who is allowed to test my backflow device?
Only a state-certified backflow tester. Our technicians are certified and carry the proper gauges and credentials to test, document, and file with your water authority.
What happens if my backflow device fails the test?
We diagnose the cause, repair or rebuild the assembly with manufacturer-spec parts, and re-test on the spot. Then we file the passing report. If the device is beyond economical repair, we recommend a code-approved replacement.
Do you file the paperwork with my water authority?
Yes — we submit the official test report directly to your water authority, so you do not have to chase a form or worry about a missed deadline.
How much does backflow testing cost?
A standard residential or irrigation assembly test is a flat, affordable fee. We confirm pricing up front and handle the paperwork. Call (919) 205‑8248 for a quote.
What is a backflow preventer and how does it work?
It is a valve assembly with internal checks that allow water to flow only one direction. If pressure reverses, the checks close and a relief valve discharges, keeping contaminated water out of the public supply.
Can you install a brand-new backflow preventer?
Yes — we assess your connection and hazard level, then install the correct RP, DCVA, or PVB assembly to code, pull any required permit, and certify it with your water authority.

Backflow notice on your counter? We’ll handle it.

Certified testing, repairs, and paperwork filed for you — across Chapel Hill and the Triangle.

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