Cornett Service Group, Watauga, TN: Backflow Testing

Certification

✓ On Tennessee's certified backflow tester roster Phone matches its Google profile

Certified tester	Certificate	Expires
Marvin Anthony Cornett	5526	August 2028

From the Tennessee Department of Environment and Conservation (Fleming Training Center) roster, read October 6, 2026. The roster lists people, not companies; these are the certified testers it lists for this business. Ask which tester will do your test, and your utility may also require the tester to be registered with it.

Call (423) 547-3285 More testers in Tennessee

Where you will find Cornett Service Group

These are the city pages close enough for this business to appear on.

Other backflow testers nearby

Business	Services	Distance
Nor-Well Company, Inc.	Backflow Testing	4 mi
Allied Piping Company	Backflow Testing	7 mi
S.B. White Company, Inc.	Backflow Testing	8 mi
Gene Cox Mechanical Contractor, Inc.	Backflow Testing	8 mi
Comfort Systems USA	Backflow Testing	8 mi
Roto Rooter	Backflow Testing	9 mi

Questions about Cornett Service Group

Is Cornett Service Group licensed?

Yes. Tennessee records showed an active certificate (#5526) when we last checked in Oct 2026. Ask to see it before work starts, since a certificate can lapse between checks.

What does Cornett Service Group do?

Their listing covers backflow testing. Call to confirm the service you need, because offerings change.

What areas does Cornett Service Group serve?

They are based in Watauga, Tennessee, within driving distance of Johnson City, Blountville, Bristol, Kingsport. Service areas are set by the business, so confirm yours when you call.

How do I reach Cornett Service Group?

Call (423) 547-3285.

Is this your business?

Claim this listing free: add the utilities you file with, your service area and your residential test price, and get annual test-due requests from property owners.

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