| Quick facts | Answer |
|---|---|
| Cost range | About $50 to $200 per device; irrigation tests often at the low end |
| Time | A single device test is typically quick; annual testing required |
| Who's qualified | City-approved tester with ABPA or ASSE certification and a CIB plumbing license |
Owasso, OK: what's different here
Owasso sits about 14 miles from Tulsa, roughly a 19-minute drive north via US-169. The city shares the Tulsa metro climate, where hard freezes between November and March can damage backflow assemblies. That makes annual testing and winterization especially important for Owasso homes with irrigation systems.
How often does Owasso require backflow preventer inspection?
Oklahoma's plumbing code calls for testing at installation, after repair or relocation, and at least once a year. City of Tulsa guidance also says lawn irrigation system backflow preventers should be tested annually by a qualified professional. Owasso follows the same annual rhythm.
Who can perform backflow preventer inspection in Owasso?
Oklahoma has no statewide backflow tester license, so local cities and rural water districts approve testers. Many jurisdictions require ABPA or ASSE certification along with a CIB plumbing license. Tulsa meter specifications require a City-approved Back Flow Assembly Tester before acceptance.
Why does freeze season matter for backflow testing?
Tulsa's mean first 28°F hard freeze is November 14 and the mean last one is March 17. Backflow assemblies can fail or need repair after freezing conditions, so annual testing is especially relevant in the Owasso area. Winterization timing matters too.
What does the tester do during the inspection?
A certified backflow tester tests the assembly and files compliance reports with the local water authority. Irrigation assemblies often test at the low end of the price range, while RPZ or commercial assemblies cost more.
What to do next
- Ask the tester to verify ASSE or ABPA certification and a CIB plumbing license, since Owasso's water authority approves testers locally.
- Request a quote that states the per-device price, since irrigation tests often run at the low end and RPZ or commercial assemblies cost more.
- Schedule the test before the mean first hard freeze around November 14, since assemblies can fail after freezing conditions.
- Confirm the tester will file the compliance report with the local water authority after the inspection.
- 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.
