Backflow Testing & Prevention in DFW
Keep your drinking water on the right side of the valve.
If your city or HOA sent a notice saying your backflow test is due, you’re in the right place. CR Plumbing tests, repairs and installs backflow preventers for homes, HOAs and businesses from Fort Worth to Denton. We’ll get the test done, explain anything that failed and remind you next year before it’s due again.
Certified Installers Only
In Texas, only a licensed backflow tester can sign off on your device. That's who we send.
Annual Testing Reminders
Most devices need a test every year. We keep track of your date and reach out before it's due, so you're not chasing a late notice.
Trusted by Local HOAs
We test and repair backflow devices for homeowners, HOAs, small businesses and commercial properties across DFW.
Water Safety First
We work on RPZ, PVB and double check assemblies. Every device we install gets tested before we leave.
Backflow Prevention Services That Keep You Compliant
Backflow sounds like a technical problem until you picture what it means. A pressure drop on the city main, say from a water main break or firefighters opening a hydrant, can pull water backward through your pipes. If a sprinkler head is sitting in fertilized soil, that’s what ends up in the line you drink from. A backflow preventer is the one-way valve that stops it.
The catch is that these devices wear out. Springs weaken, rubber checks harden and debris gets stuck in the seats, and none of that shows from the outside. That’s why most Texas cities require a licensed tester to check them, and why a lot of homeowners only hear about theirs when a compliance letter shows up.
That’s where we come in. We’re a backflow plumber, not just a testing company. If your device fails, the same tech can usually repair it on the spot instead of sending you off to find someone else. It’s part of the wider plumbing services we provide across DFW.
Backflow Repair
Failed your test or seeing water at the valve? We find what’s worn, swap the parts and retest it the same visit when we can.
Backflow Maintenance
Backflow Testing & Inspection
RPZ Inspections
Reduced pressure zone assemblies get tested on commercial sites, irrigation systems and anywhere the hazard is higher.
Backflow Testing, Repair and Installation
Annual Backflow Testing and Inspection
The test itself is quick. Our tester hooks a gauge kit to the test ports, checks each valve’s pressure differential and makes sure the device closes the way it’s supposed to. Most residential tests take well under an hour. You get a pass or fail on the spot. If it passes, the paperwork goes to your water provider or HOA. If it fails, we tell you exactly which part failed and what the fix costs. Looking at backflow testing companies? Ask whether they repair too. Some only test. That leaves you with a failed report and a second call to make.RPZ Inspections for Commercial Properties
Restaurants, medical offices, car washes and buildings with boilers or fire systems usually need a reduced pressure zone (RPZ) assembly. It’s the highest level of protection, and it gets the strictest testing. We handle commercial RPZ inspections, retests after repairs and replacements when an old unit isn’t worth rebuilding. If your property has several devices, we can test them all in one visit and keep their due dates lined up.Backflow Repair
A failed test usually means one of three things: a worn rubber check, a weak spring or debris stuck in a valve seat. Most of that can be fixed with a repair kit, not a whole new device. We repair it, retest it and send the passing result in. If water is pouring from the relief valve on an RPZ, don’t wait for your next test date. That’s a sign it’s already failing and wasting water.Backflow Preventer Installation
New irrigation systems in Texas need a backflow preventer, and so do a lot of remodels and commercial build-outs. We’ll recommend the right device for the job, put it where it can be tested and serviced easily, and test it before we leave so it’s compliant from day one. We also install insulated covers. A North Texas freeze is enough to crack an exposed valve body.Which Backflow Device Do You Have?
It’s usually one of these three. If you’re not sure, send us a photo and we’ll tell you.| Device | Where you’ll see it | Protects against | Good to know |
|---|---|---|---|
| PVB (pressure vacuum breaker) | Most home sprinkler systems | Back-siphonage | Must sit at least 12 inches above the highest sprinkler head |
| RPZ (reduced pressure zone) | Commercial sites, irrigation with chemical injectors, high-hazard setups | Back-siphonage and back-pressure | Has a relief valve that dumps water when it detects a problem |
| DCVA (double check valve) | Lower-hazard lines, some fire systems | Back-siphonage and back-pressure | Can sit in a below-ground box where local code allows |
Backflow Testing in Fort Worth and Tarrant County
Fort Worth, like most cities in Tarrant County, expects testable backflow devices to be checked every year. Miss it and you’ll usually get a letter, then a follow-up. We test backflow devices across Fort Worth and Tarrant County and handle the repairs if one fails. [PLACEHOLDER: confirm whether CR submits test results through Fort Worth’s portal]HOAs, Commercial Properties and Multi-Unit Buildings
HOA common areas and commercial properties can have a dozen devices, all due in different months. We’ll take the full list, test everything on one schedule and send you a single report. That’s one invoice and no surprise notices.Where We Test and Repair Backflow Devices We cover Fort Worth, Denton, Keller, Watauga, Lewisville and the towns around our Argyle shop. See the full list on our service areas page.Backflow Questions We Get Asked
What is a backflow preventer, and do I really need one?
It’s a valve that lets water flow into your property but never back out into the public supply. If you have a sprinkler system, you almost certainly have one already. Texas requires it on irrigation systems.
How often does a backflow device need to be tested?
Usually once a year, plus right after it’s installed or repaired. Your city or HOA sets the exact schedule. We’ll remind you when your next one’s coming up.
What happens if my backflow test fails?
Nothing dramatic. We’ll show you which part failed, repair it (often the same day) and retest it. Once it passes, the result goes in like any other test.
How long does a backflow test take?
A single residential device usually takes under an hour. Commercial sites with several RPZs take longer, mostly depending on how many devices there are and how easy they are to reach.
What types of backflow assemblies do you install and service?
RPZ, PVB and double check valve assemblies, for both homes and businesses. If you’re not sure which you have, the table above will help.
What are signs my backflow device needs repair?
Water dripping or gushing from the relief valve, low water pressure at the sprinklers, rust or cracks on the body, or a failed test. Any of those means it’s time to call.
Do you work with HOAs and commercial properties?
Yes. We test and repair devices for HOA common areas, restaurants, offices and multi-unit buildings, and we can put every device on one testing schedule.
What areas do you serve for backflow testing?
Fort Worth, Tarrant County and Denton County, including Denton, Keller, Watauga, Lewisville, Flower Mound, Southlake and Argyle.
How it Work
Assessment
Implementation
Quality Check
Flower Mound
3121 Cross Timbers Rd #11 Flower Mound, TX 75028
North Richland Hills
4925 Davis Blvd Suite 201 North Richland Hills, TX 76137
Richland Hills
3113 Elm Park St. Richland Hills, TX 76118
Argyle, TX
2231 Berniece Jones Rd. #103 Argyle, TX 76226