Backflow Base / Tester certification / Oklahoma
Backflow tester certification in Oklahoma.
No state backflow tester certificate was found. DEQ rule OAC 252:626-5-15 covers cross-connection design only and names no tester credential. Cities set their own tester rules.
Last updated .
Who certifies
Each Oklahoma water system or city
There is no state tester certificate. Each water system decides which certificates it accepts.
What it takes
- Credential
- Set by each city or water system
Certificates from elsewhere
No other state's certificate is named as valid here. Ask the program before you rely on one.
Filing test reports
Reports go to the water system serving the property. No statewide form or portal found.
Largest water systems
Oklahoma City Water Utilities
City of Tulsa
Broken Arrow Municipal Authority
Norman Utilities Authority
City of Lawton
Sources
- OAC 252:626-5-15 Cross connections and interconnections
- Oklahoma Plumbing License Law of 1955 (Title 59)
Little of this could be confirmed from an official source. Call the program or the water system before you rely on it.
Checked 2026-10-19 against each state's own program pages and rules. Rules change; confirm with the program before you book an exam or a test. Spot something out of date? hello@backflowbase.com.
The software
- Bookings from a booking page, your own website, and an AI receptionist on your phone.
- Schedule board and route for each tester.
- Field app that scores every test, even with no signal.
- Test reports sent to the water system that serves each address.
- Card payments to your own Stripe account, and yearly renewals that charge after the test.
- Client portal for HOAs, property managers and contractors.
- $50/month flat: no per-test fee, no cut of payments.
- Every feature →What the app does, part by part.
- Compare →Next to other backflow and field-service software.
- Start free →No card. $50/month or $500/year once you go live, 45 days free.
- Free exam prep →Study questions, practice exams, device tests, a VR wet lab.