Backflow testing in Tennessee
1 utility list · 173 companies. Your utility decides which testers it accepts, so start from the utility that sent your notice.
Utility lists in Tennessee
| Utility list | Area | Companies | Testers | vs national median | National rank (by companies) |
|---|---|---|---|---|---|
| Memphis Light, Gas and Water, Cross Connection Program | Memphis | 173 | Company-level list | 3× | 4 of 33 |
Computed from the list of Memphis Light, Gas and Water, Cross Connection Program, as fetched 2026-11-04 (UTC). National median: 57 companies per list across the 33 utility lists we hold (n=33). National rank 1 = the list naming the most companies; equal counts share a rank. Testers: only lists that name each company's testers carry a count. Not in the company counts: 6 entries for an individual tester with no company named and 11 entries for companies named after a person; we count those but do not republish them.
How current each list is
| Utility list | Version as printed | Date and age | Fetched (UTC) | We re-check it every |
|---|---|---|---|---|
| Memphis Light, Gas and Water, Cross Connection Program | “undated (PDF created 13 Mar 2026)” | 2026-03-13 (PDF file created date; the list prints no full date), 236 days before we fetched it; 13 of 22 by recency | 2026-11-04 | 365 days |
Computed from the list of Memphis Light, Gas and Water, Cross Connection Program, as fetched 2026-11-04 (UTC). Median age at fetch across the 22 lists we hold that carry a date: 206 days (n=22); rank 1 = the most recently dated list. A month-only or two-digit version (for example “7.2026”) is shown as printed and not turned into a date.
Where the listed companies are based
173 companies on the Tennessee list print a town (173 of 173), spread over 28 towns. The most common:
- Memphis: 77 companies
- Cordova: 16 companies
- Collierville: 14 companies
- Bartlett: 12 companies
- Germantown: 9 companies
- Arlington: 6 companies
- Memphis Light, Gas and Water, Cross Connection Program: 77 of 173 companies with a printed town (45%) are in Memphis, the utility’s home city.
Based outside Tennessee: 17 companies in Mississippi, 1 company in Arkansas.
Computed from the list of Memphis Light, Gas and Water, Cross Connection Program, as fetched 2026-11-04 (UTC). Towns as each list prints them; a company named on two lists counts once.
What kind of businesses are on the lists
The biggest difference from all the lists we hold: “irrigation, lawn, landscape or sprinkler” appears in 30% of company names on the Tennessee list, against 10% across all of them.
| Company name contains | Companies (173) | Share | Share, all 2,590 companies we hold |
|---|---|---|---|
| Plumbing | 48 | 28% | 25% |
| Backflow or cross-connection | 12 | 7% | 24% |
| Fire | 9 | 5% | 17% |
| Irrigation, lawn, landscape or sprinkler | 52 | 30% | 10% |
| Mechanical, heating or air | 11 | 6% | 6% |
Computed from the list of Memphis Light, Gas and Water, Cross Connection Program, as fetched 2026-11-04 (UTC). A company named on two lists counts once. A name can match more than one row; 44 names here match none. The words say nothing about the quality of the work.
Not your utility? See all utility lists. Confirm with your utility before booking.