Backflow Base / Tester certification / Maine
Backflow tester certification in Maine.
The state cross connection rule makes the water supplier run the program and keep device test records, but the rule names no tester certificate. Water districts set who they accept.
Last updated .
Who certifies
Maine CDC Drinking Water Program (Chapter 226 Cross Connection Rules)
There is no state tester certificate. Each water system decides which certificates it accepts.
What it takes
- Credential
- Not named in the state rule. Portland Water District accepts NEWWA, ABPA or ASSE certification; Kennebunk, Kennebunkport and Wells says a tester licensed in Maine.
Certificates from elsewhere
- AWWA: up to each water system. Portland Water District lists NEWWA.
- ABPA: up to each water system. Portland Water District lists ABPA.
- ASSE 5110: up to each water system. Portland Water District lists ASSE (page says American Society of Safety Engineers).
No other state's certificate is named as valid here. Ask the program before you rely on one.
Where to get certified
- New England Water Works Association (NEWWA)Holliston, MA · course and exam · in person. Trains in all six New England states. Accepted by Portland Water District.
Listed for convenience, not endorsed. Check that a course is on the state's approved list before you pay.
Free exam prep → Study questions, practice exams, device tests.
Test procedures for every assembly → The steps we recommend for the field exam.
Filing test reports
Portland Water District uses VEPO CrossConnex. Other districts publish tester lists and their own requirements.
Portals in use: VEPO CrossConnex
Largest water systems
Portland Water District
- Reports
- Tests entered in VEPO CrossConnex (vepocc.com). Customers get a letter and have 60 days to complete the inspection and repairs. Commercial devices annually.
- Testers
- Inspector must hold NEWWA, ABPA or ASSE certification. Publishes a certified inspector list.
Maine Water Company (Biddeford and Saco)
Kennebunk, Kennebunkport and Wells Water District
- Reports
- Page does not say how to submit reports.
- Testers
- Tester must be licensed to test backflow devices in Maine. Publishes an approved tester list.
Bangor Water District
- Contact
- 207-947-4516
Lewiston Water and Sewer Division
Sources
- Maine Chapter 226 Cross Connection Rules
- Portland Water District backflow inspection
- Kennebunk Kennebunkport Wells Water District approved testers
- NEWWA program information
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.