Backflow Testing in Texas
Texas requires annual backflow testing to protect the public water supply from contamination. TX24H connects you with certified backflow testers who keep you compliant and your water safe.
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Backflow Testing Prices in Texas
Average prices based on local market data. Actual prices may vary by city and scope.
| Service | Price Range |
|---|---|
Annual backflow test (single device) Includes test report filed with the city | $75-$150 |
Annual test for additional devices Discount for testing multiple devices on same visit | $50-$100 each |
Backflow preventer repair (minor) Replace check disc, springs, or O-rings | $100-$300 |
RPZ valve replacement (installed) New RPZ device with installation and testing | $500-$1,500 |
Double check valve replacement (installed) New DCV device with installation and testing | $300-$800 |
New backflow preventer installation Complete install including plumbing connections | $400-$1,200 |
Frequently Asked Questions
How much does backflow testing cost in Texas?
Annual backflow testing in Texas typically costs $75 to $150 per device. Testing multiple devices on the same visit often comes with a discount at $50 to $100 for each additional device. The test includes a certified report that is filed with your city or water utility. If the device fails, repair costs range from $100 to $300 for common parts like check discs and springs.
Why is backflow testing required in Texas?
Texas requires backflow testing to protect the public water supply from contamination. Without functioning backflow preventers, contaminated water from irrigation systems, boilers, fire suppression systems, or chemical processes can flow backward into the drinking water supply during pressure drops. Most Texas cities require annual testing and impose fines or water shutoff for non-compliance.
Who needs backflow testing in Texas?
Any property with a backflow prevention device is required to have it tested annually. This typically includes commercial properties, homes with irrigation or sprinkler systems, properties with fire suppression systems, medical and dental offices, restaurants and food service establishments, and any property where the water utility has identified a cross-connection risk.
What happens if my backflow preventer fails the test?
If your backflow preventer fails, the certified tester will diagnose the issue and provide a repair estimate. Common failures include worn check discs, broken springs, or corroded relief valves. Most repairs can be completed on-site the same day. After repair, the device is retested and a passing report is filed. You typically have 30 days to complete repairs before the city follows up.
How often must backflow devices be tested in Texas?
Texas requires backflow prevention devices to be tested annually by a certified backflow tester. Your city or water utility sends a notice when testing is due, usually on the anniversary of the device's installation or the previous test. Some high-hazard facilities may require semi-annual testing. Failure to test can result in fines or disconnection from the water supply.
Can any plumber do backflow testing?
No, backflow testing must be performed by a tester certified by the Texas Commission on Environmental Quality. This requires completing an approved training course and passing a certification exam. Not all licensed plumbers hold this separate certification. All testers on TX24H who offer backflow services are verified to hold current TCEQ backflow testing certification.
Backflow Testing Service Areas in Texas
We connect you with verified backflow testing professionals in these neighborhoods and surrounding areas across Texas.
Houston
Dallas
San Antonio
Austin
Fort Worth
El Paso
Arlington
Plano
Corpus Christi
Lubbock
Frisco
McKinney
Round Rock
Georgetown
Cedar Park
Pflugerville
Denton
Waco
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