Backflow testing in Utah
1 utility list · 35 companies. Your utility decides which testers it accepts, so start from the utility that sent your notice.
Utility lists in Utah
| Utility list | Area | Companies | Testers | vs national median | National rank (by companies) |
|---|---|---|---|---|---|
| Salt Lake City Public Utilities | Salt Lake City | 35 | Company-level list | 0.6× | 23 of 33 |
Computed from the list of Salt Lake City Public Utilities, 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: 3 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 |
|---|---|---|---|---|
| Salt Lake City Public Utilities | “undated (PDF created 1 Aug 2024)” | 2024-08-01 (PDF file created date; the list prints no full date), 825 days before we fetched it; 19 of 22 by recency | 2026-11-04 | 365 days |
Computed from the list of Salt Lake City Public Utilities, 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
35 companies on the Utah list print a town (35 of 35), spread over 15 towns. The most common:
- Salt Lake City: 17 companies
- Layton: 2 companies
- Murray: 2 companies
- Riverton: 2 companies
- West Valley City: 2 companies
- Centerville: 1 company
- Salt Lake City Public Utilities: 17 of 35 companies with a printed town (49%) are in Salt Lake City, the utility’s home city.
Computed from the list of Salt Lake City Public Utilities, 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: “fire” appears in 31% of company names on the Utah list, against 17% across all of them.
| Company name contains | Companies (35) | Share | Share, all 2,590 companies we hold |
|---|---|---|---|
| Plumbing | 9 | 26% | 25% |
| Backflow or cross-connection | 4 | 11% | 24% |
| Fire | 11 | 31% | 17% |
| Irrigation, lawn, landscape or sprinkler | 0 | 0% | 10% |
| Mechanical, heating or air | 2 | 6% | 6% |
Computed from the list of Salt Lake City Public Utilities, as fetched 2026-11-04 (UTC). A company named on two lists counts once. A name can match more than one row; 9 names here match none. The words say nothing about the quality of the work.
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