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Superior Backflow Services tests backflow prevention devices. The company says its technicians are certified by the New England Water Works Association to test backflow assembly devices throughout Maine, and its website lists a service area running from Auburn and Augusta to Bangor, Brewer, Bar Harbor, Calais and Caribou. A 2025 customer wrote that Jeff was servicing five of their locations, from Augusta to Ellsworth, for backflow testing. A 2022 customer said Jeff handled a backflow prevention test for them and fixed a leak the same day. In a 2023 review, a customer said Jeff was on time and completed the project as expected, and recommended him for a back flow inspection. A 2023 customer called Jeff timely and very affordable, and said he was able to address a few issues with the plumbing, leaks among them, that the customer did not know were issues.
Jeff services 5 of my locations from Augusta to Ellsworth. He's great to work with for all your backflow testing needs!
Prompt, professional service. Thanks
I can’t stay enough good things about Jeff - reliable trustworthy and efficient!
Very easy to schedule despite there being delays on our end, thanks so much
Very experienced and prompt service.
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2 changes recorded — last scanned Oct 31, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from Superior Backflow Services, LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$240 – $590
Typical plumbing job around $420
Seasonal home opening and closing4.7
Burst water tank fixed by noon4.5
Customers who have used them for years4.3
Emergency boiler motor repair3.5
Full plumbing installed in a new home3.8
Well pump cycling issue resolved3.7
