| Quick facts | Answer |
|---|---|
| Cost range | About $50 to $200 per device; RPZ and fire lines run higher |
| Time | Bixby is about 29 minutes from Tulsa; testing is typically annual |
| Who's qualified | Testers need ASSE or ABPA certification, often plus a plumbing license |
Bixby, OK: what's different here
Bixby sits about 18 miles and roughly 29 minutes by car from Tulsa via the main highway. The area's housing stock includes many slab foundations, and some properties mix crawlspace and slab types, which can affect where backflow assemblies and shutoffs are located. Local water authorities set their own tester approval rules, so commercial property owners should confirm requirements with their district.
How often is commercial backflow testing required in Bixby?
Most water authorities in Oklahoma require annual testing and reporting for all backflow prevention assemblies, including commercial systems. A certified tester runs the required differential-pressure tests and files compliance reports with the local water authority. Ask which report your water district requires when you get a quote.
Who is qualified to test commercial backflow assemblies in Bixby?
Oklahoma has no standalone statewide backflow tester license; cities and rural water districts approve their own testers, often requiring ABPA or ASSE certification plus a plumbing license. One common certification path is the 40-hour ASSE 5110 class, which requires 5 years of plumbing or related experience and ends with a 100-question exam. Ask the pro for proof of certification and insurance.
Why do RPZ assemblies cost more than double-check valves?
In Bixby, RPZ assemblies usually cost more than double-check valve assemblies, and commercial fire lines tend toward the higher end of the $50 to $250 Oklahoma range. Tulsa meter specifications also require a double check detector assembly with a minimum 150 psi design working pressure. The assembly type on your property drives the price.
When should Bixby businesses schedule testing and winterization?
Tulsa's mean first 28°F hard freeze is November 14 and the mean last one is March 17, leaving about 241 days between hard freezes. Schedule annual testing before the first freeze and plan irrigation winterization accordingly. The City of Tulsa says lawn irrigation backflow preventers should be tested annually by a qualified professional.
What to do next
- Find out which assembly type you have - RPZ, double-check valve, or fire line - since RPZ and fire lines price higher.
- Ask each tester for proof of ASSE or ABPA certification and a plumbing license, and check your water district's approved tester list.
- Request a written quote showing the per-device price, the differential-pressure test, and filing of the compliance report.
- Schedule the annual test before the mean first hard freeze around November 14.
- 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.
