| Quick facts | Answer |
|---|---|
| Cost range | Typically $50 to $200 per device; up to $250 statewide |
| Time | Varies by device - confirm timing in your quote |
| Who's qualified | A certified backflow tester performs testing and compliance reporting |
Owasso, OK: what's different here
Owasso sits in Tulsa County, just north of Tulsa. More than half of Owasso's housing stock was built after 2000, so many homes are newer than Oklahoma's older housing. The city has a humid subtropical climate with about 39.5 inches of yearly precipitation, and winters bring hard freezes that matter for irrigation backflow assemblies.
What does annual backflow certification include in Tulsa-area cities?
A certified backflow tester performs the inspection, pressure testing, and compliance reporting for the local water authority. The test covers the backflow prevention assembly on your line. Results are reported to the water authority as part of the annual requirement.
Why is annual backflow testing required in Oklahoma?
Oklahoma's adopted plumbing code requires backflow prevention assemblies to be tested at installation, after repair or relocation, and at least once a year. Most Oklahoma water authorities also require annual testing and reporting. The goal is protecting the public water supply from contamination.
Do irrigation systems need annual backflow testing near Tulsa?
Yes. City of Tulsa guidance says a lawn irrigation system backflow preventer should be tested annually by a qualified professional. Irrigation double checks sit at the low end of the price range, while RPZ assemblies cost more.
What affects the price of backflow certification?
Price depends on the assembly type and the complexity of the job. A statewide Oklahoma cost guide puts most tests at $50 to $250, with irrigation double checks at the low end and RPZ or commercial lines priced higher. Ask for the assembly type in your quote.
What to do next
- Find out which assembly you have - an irrigation double check or an RPZ - since that drives your price.
- Get quotes that state the device type, the test fee, and whether compliance reporting to your water authority is included.
- Ask any pro for proof of license and insurance before scheduling the test.
- Schedule before the first hard freeze around mid-November if your backflow preventer serves irrigation.
- Call (918) 202-2068 or email [email protected] for a free quote from a licensed, insured local backflow testers.
Tulsa Backflow is a free referral service: an independent contractor does the work and may pay us a referral fee. You never pay us anything.




