Backflow Testing in Tennessee
Backflow Testing across Tennessee: the 291 ZIP codes and 202 cities we route calls in, and who licenses plumbers in the state.
Free to homeowners in Tennessee — the contractor pays us for the introduction, you never do.
Who has to test
Our backflow testing coverage in Tennessee runs to 291 ZIP codes in 202 cities. In a state that mixes large systems with small ones, a testing duty that is routine on one side of a county line can be unknown on the other, and the deadline a premises is held to is whichever its own water supplier sets.
Source: coverage area as published by our call partner; place and county names from the US Census Bureau.
We route backflow testing calls in 291 ZIP codes across 202 Tennessee cities, in 52 counties.
What this site is
CrossConnect is a referral service, not a contractor. We connect property owners and managers with independent contractors. Backflow assembly testing is normally restricted to testers holding a specific certification and using calibrated equipment, and the report usually has to reach your water purveyor — ask to see the certification and ask who files the report. We carry out no testing, we certify nobody, we do not set prices, and we never charge callers anything. Nothing here selects a device for any installation or states that any assembly is passing.Checking a credential in Tennessee
Tennessee licenses are issued by the Tennessee Board for Licensing Contractors, Department of Commerce and Insurance, which publishes a public search you can use before work begins.
18 of the 52 Tennessee counties we cover, from the top of the alphabet
- Anderson County 8 ZIP codes
Clinton, Oak Ridge, Andersonville, Briceville, Norris, Rocky Top - Bedford County 4 ZIP codes
Bell Buckle, Shelbyville, Unionville, Wartrace - Bledsoe County 2 ZIP codes
Graysville, Pikeville - Blount County 11 ZIP codes
Maryville, Alcoa, Friendsville, Louisville, Rockford, Tallassee, Townsend, Walland - Bradley County 7 ZIP codes
Cleveland, Charleston, McDonald - Campbell County 3 ZIP codes
Caryville, Jacksboro, La Follette - Cannon County 1 ZIP code
Woodbury - Cheatham County 3 ZIP codes
Ashland City, Chapmansboro, Pleasant View - Claiborne County 1 ZIP code
New Tazewell - Clay County 2 ZIP codes
Celina, Moss - Cocke County 2 ZIP codes
Newport - Coffee County 1 ZIP code
Beechgrove - Cumberland County 7 ZIP codes
Crossville, Crab Orchard, Pleasant Hill - Davidson County 7 ZIP codes
Nashville, Goodlettsville, Hermitage, Joelton, Old Hickory, Whites Creek - DeKalb County 1 ZIP code
Alexandria - Dekalb County 1 ZIP code
Smithville - Dickson County 1 ZIP code
Charlotte - Fentress County 3 ZIP codes
Clarkrange, Grimsley, Wilder
34 more Tennessee counties are inside the coverage area and are not listed here. If your ZIP code is in Tennessee, the call reaches a contractor.
What that coverage looks like
The 52 counties in our Tennessee footprint are served by many separate water suppliers, and each one decides which premises must test and how often. Knox County, with 35 covered ZIP codes, is the largest single block of them; Knoxville alone holds 30.
How a backflow testing job goes
A backflow test is a scheduled job that ends in a document. The assembly is isolated, the differential across it is measured, the result is written down, and the report goes to whoever requires it. A failed test means a repair or a rebuild and then a re-test; it does not mean the premises closes that day.
What the call asks about backflow testing
- What kind of premises it is and what is connected to the supply — irrigation, a boiler, a fire line, a commercial kitchen.
- Who is asking for the test: a water supplier, a health department, or a landlord.
- Whether there is an existing assembly with a serial number on it, and when it was last tested.
Every Tennessee city we route in
34 cities, ordered by the share of buildings with twenty or more units. Containment assemblies are required building by building, and that is where the buildings are. Each page carries that city’s own numbers and the ZIP codes we route there.
- Hermitage 16%
- Chattanooga 12%
- Knoxville 9%
- Murfreesboro 9%
- Oak Ridge 8%
- Alcoa 7%
- Smyrna 7%
- Johnson City 6%
- Ooltewah 6%
- Hixson 6%
- Goodlettsville 6%
- Ashland City 5%
- Old Hickory 5%
- Mount Juliet 5%
- Nashville 4%
- Lebanon 4%
- Rockwood 4%
- Sevierville 4%
- Clarksville 4%
- Signal Mountain 4%
- Maryville 3%
- Kingsport 3%
- Cleveland 3%
- Morristown 3%
- Clinton 3%
- Cookeville 3%
- Powell 3%
- Loudon 2%
- Athens 2%
- Lenoir City 2%
- Harriman 2%
- Hartsville 2%
- Jacksboro 2%
- Piney Flats 2%
Before you call
A test is a scheduled job with a report at the end of it, not a repair. What the report has to show, and who it goes to, are on the pages above.
