Home / Backflow testers / Michigan

Holland backflow testing

29 companies on Holland Board of Public Works's tester list · company-level list (no tester count) · list version undated (PDF created 18 Feb 2026)

About this list

Utility
Holland Board of Public Works
List title
“State of Michigan Certified Backflow Device Testers” (as printed)
Version
undated (PDF created 18 Feb 2026)
Fetched
2026-11-04 (UTC)
Format
PDF
Testers
Company-level list (no tester count). 1 entry on this list is a personal name with no company. We do not list individuals.
Gaps
Our copy of Holland Board of Public Works's list (version undated (PDF created 18 Feb 2026)), fetched 2026-11-04, has no town or ZIP code for any of the 29 companies. Those cards leave the field out.

On Holland Board of Public Works's approved list, version undated (PDF created 18 Feb 2026) · fetched 2026-11-04

Every company below is on this list; each card says “On this utility's approved list”. The list is the utility’s, not ours: we copy company names, addresses and phone numbers from it, sort them A to Z and do not rank or endorse anyone. Confirm with your utility before booking.

On the list as ofundated (PDF created 18 Feb 2026)

State of Michigan Certified Backflow Device Testers. Fetched 2026-11-04 (UTC).

Open the utility’s own list
The utility’s backflow program page
How we handle listings (correct or remove a listing)

Confirm with your utility before booking.

Companies on the list (29)

Alphabetical. Company-level list (no tester count): the utility lists companies, not individual testers.

Guides: How much does a backflow test cost? Tester prices, plus what your utility adds, Failed backflow test: what failed, your repair deadline, and when to replace the device, What is a backflow test? What the tester measures, what passes, and what you have to do, Irrigation backflow testing: which device your sprinkler system needs, when it is tested, and how to winterize it.