Planning backflow testing for your Houston, TX, property this year? Arrow Plumbing's TCEQ-licensed testers file your certification with the city and serve homes and businesses throughout Harris County at 281-240-6868.
Backflow prevention isn’t the most glamorous plumbing topic, but it protects something important: the drinking water going into your home or business. Arrow Plumbing tests, certifies, and repairs backflow assemblies for property owners across Houston, TX, and we handle the paperwork side of the process too, so a required test doesn’t turn into a scramble at renewal time. Whether you have a single irrigation system at a house or a dozen assemblies across a commercial property, our licensed testers know exactly what the city and the state expect.
Businesses managing multiple properties often need more than a single backflow test, and our Commercial Plumbing Services page covers the maintenance agreements Arrow Plumbing offers across Houston, TX, and Harris County.
Backflow Testing and Certification in Houston
A backflow assembly’s job is to prevent contaminated water from siphoning back into the clean water supply, which is exactly why the City of Houston requires regular testing for most irrigation, commercial, and fire suppression systems. Our technicians test each assembly with calibrated gauges, verify proper function under pressure, and issue the documentation your property needs to remain compliant. Most tests take under an hour, and we walk you through the results in plain terms rather than handing over a form full of numbers nobody outside the industry understands.
A homeowner off Westheimer once called us confused after receiving a renewal notice for an irrigation backflow assembly she didn’t know she had. It turned out the sprinkler system had been installed by the home’s previous owner years earlier, and the required annual test had simply been overlooked since then. One visit resolved it, and we set her up with a reminder so it wouldn’t happen again the following year. That kind of scenario is more common than people expect, especially in homes that have changed hands a few times.
$30OFF
First Time Customer Services with minimum $250.00 invoice
Who’s Required to Test: Irrigation, Commercial and Multi-Family
Not every homeowner needs annual backflow testing, but a large share of Houston properties do. Anything with an irrigation system, a fire sprinkler line, or a connection that could introduce contaminants into the water supply typically falls under city requirements. That includes:
Homes and businesses with lawn irrigation systems
Multi-family properties with shared water connections
Restaurants, medical offices, and other commercial buildings
Properties with fire suppression systems tied to the water main
If you’re not sure whether your property needs testing, we can usually tell you over the phone based on the type of connection and how the property is used.
Annual Certification and City of Houston Reporting: We File It
Missing a certification deadline can mean fines or, in some cases, a water service interruption, which is the last thing any property owner wants to deal with. Once we complete a test, Arrow Plumbing files the results directly with the City of Houston on your behalf. You get a copy for your own records, and we track renewal dates so a homeowner or property manager isn’t stuck trying to remember when the next test is due a year from now.
Request Service Submit your information and our client service representative will contact you to schedule service.
RPZ, Double Check and PVB Assemblies We Test
Houston properties use a handful of different backflow assembly types depending on the connection and the level of hazard involved. We service reduced-pressure zone assemblies, double-check valve assemblies, and pressure-vacuum breakers, along with the less common assemblies found in older commercial buildings. Each type has its own testing procedure and failure points, and our technicians are trained on all of them rather than just the residential-grade devices most homeowners are familiar with.
Reduced pressure zone assemblies tend to show up on higher-hazard connections, like commercial kitchens or medical facilities, because they offer the strongest protection against contamination. Double check assemblies are more common on standard irrigation setups, while pressure vacuum breakers are typically found on simpler residential sprinkler lines. Knowing which assembly is on your property, and why, helps us test it correctly the first time instead of guessing at the procedure on-site.
Repairing and Rebuilding a Failed Assembly
A failed test doesn’t always mean a full replacement. In many cases, Arrow Plumbing can rebuild the internal components of an assembly, replacing worn seats, springs, or check valves, and retest it on the same visit. We only recommend full replacement when the housing itself is cracked or corroded beyond repair, which tends to happen more often on older assemblies that have sat exposed to Houston’s heat and humidity for a decade or more.
Because our warehouse stays stocked with common rebuild kits and assembly parts, most repairs don’t require waiting on a special order. That matters most for commercial properties, where a failed assembly on a fire line can hold up an inspection or, in some cases, affect insurance compliance until it’s corrected.
What a Failed Test Means for Your Water Service
A failed backflow test isn’t just a paperwork problem. Depending on the property and the type of connection, a failed assembly can put your water service at risk of being restricted or shut off until it’s corrected. We treat failed tests as a priority and typically schedule repairs quickly so a commercial property or multi-family building isn’t stuck without full water service any longer than necessary.
Freeze Damage to Backflow Devices
Houston doesn’t see hard freezes often, but when one does hit, unprotected backflow assemblies are frequently among the first things to crack. Water trapped inside an assembly expands as it freezes, splitting the housing or damaging internal components even when the damage isn’t visible from the outside. After any significant freeze, we recommend having exposed assemblies inspected before irrigation season starts, since a cracked device often won’t show a problem until it’s tested or until water starts leaking from the housing.
Freeze-damaged backflow devices are one of the most common repairs we see each spring, and our Water Line Services page explains how cold weather affects buried and exposed lines across Houston, TX, and the surrounding Harris County area.
TCEQ-Licensed Testers on Staff
Backflow testing in Texas requires a specific state license, and Arrow Plumbing keeps TCEQ-licensed testers on staff year-round rather than subcontracting the work out. That licensing matters because an improperly performed test can pass an assembly that’s actually failing, which defeats the entire purpose of the requirement. Our testers stay current on state and city requirements so your certification holds up if it’s ever reviewed.
Houston and Harris County Coverage
Arrow Plumbing tests and repairs backflow assemblies across Houston and throughout Harris County, from single-family homes with a basic irrigation setup to large commercial properties with multiple assemblies on-site. We work with property managers who need testing coordinated across several locations, as well as individual homeowners who just received a renewal notice in the mail and need one assembly tested before the deadline. Either way, our fully stocked warehouse means most repairs get handled the same day the failure is found, rather than requiring a second visit once parts arrive.
Our service area stretches from inside the Loop out to suburbs including Katy, Sugar Land, Cypress, and Pearland, and our scheduling team is used to coordinating multi-property testing for apartment complexes and commercial portfolios spread across that footprint. If your properties span more than one part of Harris County, we can often group testing into a single visit window instead of scheduling separate trips for each address, which saves time on the administrative side as well as the service side.
Frequently Asked Questions
Most cities in Texas, including Houston, require a permit to install or replace a backflow prevention device because it protects the public water supply, and the work generally must be done or verified by a licensed plumber. Rules vary by municipality and water provider. Arrow Plumbing handles backflow permitting and installation for property owners across Houston, TX.
Most cities require backflow prevention devices to be tested annually, especially for irrigation systems and homes or businesses connected to certain water sources. Skipping the required test can lead to a notice from the water utility. Arrow Plumbing performs backflow testing and certification for properties throughout Houston, Texas and Harris County.
If a backflow preventer fails, contaminated water can flow backward into the clean water supply, creating a health hazard for the home and sometimes the surrounding water system, so the device should be repaired right away. Many water providers require a failed device to be reported and retested. Arrow Plumbing repairs and retests failed backflow preventers for properties across Houston, Texas and Harris County.
A backflow test checks whether a backflow prevention device is properly stopping contaminated water from flowing backward into the clean drinking water supply, using pressure gauges to confirm the internal check valves are sealing correctly. Most water providers require this test annually. Arrow Plumbing performs certified backflow testing for property owners across Fort Bend County.
A backflow repair fixes a malfunctioning check valve, relief valve, or seal inside a backflow prevention device, with the parts needed depending on the device size and issue found. Repairs are usually identified during the required annual test. Arrow Plumbing repairs and re-tests backflow devices for homes and businesses throughout the Houston, TX area.
Backflow prevention is a plumbing safeguard that stops water from reversing direction and flowing back into the clean water supply, which could otherwise pull contaminants like fertilizer, irrigation water, or wastewater into drinking water. It is required on irrigation systems and many commercial connections. Arrow Plumbing installs and maintains backflow prevention devices for customers across Houston, Texas.
Only a certified backflow tester, usually a licensed plumber with specialized state certification, is authorized to test a backflow prevention device and submit results to the local water authority. Uncertified testing is typically not accepted by the city. Arrow Plumbing’s certified technicians handle backflow testing for property owners throughout Fort Bend County, Texas and the Houston, TX area.
Backflow testing generally cannot be done yourself because most cities require the test to be performed and certified by a licensed, state-certified backflow tester before results can be filed with the water utility. Attempting it without certification risks a failed or rejected report. Arrow Plumbing provides certified backflow testing for property owners across Fort Bend County.
Call Arrow Plumbing at 281-240-6868 to schedule backflow testing or repair for your Houston, TX, property, with trusted master plumbers covering all of Harris County.
Trusted Plumbers
Our technicians are licensed, insured, and thoroughly background-checked so you can feel at ease.
Fully Stocked Warehouse
We maintain a fully stocked warehouse with all the necessary parts to eliminate waiting and downtime.
PHCC Association Member
Being a member means we’re dedicated to providing consistent, safe and trusted work for our customers.
Preferred Plumber
We’ve earned the Preferred Plumber Seal of Approval, meaning we’re committed to fixing your problem quickly, accurately, and at a fair price.
Straightforward Pricing
With our straightforward pricing policy, you’ll never need an accountant to figure out your invoice.
Latest Technology
We use the latest tools, techniques, and equipment to ensure fast, accurate repairs that last.
Technician Seal of Safety
We’ve earned the Technician Seal of Safety, meaning you can have confidence that you and your family are safe hiring our technicians to come into your home.
Community Involvement
We love our community and constantly help local charities to make life easier for those less fortunate.
Top Quality Service
Our team consists of the best Texas licensed plumbers, equipped with years of expertise and commitment to delivering the best service for every customer.
