Backflow Base / Every state / Michigan
Backflow testing software for Michigan.
Booking, scheduling, the field test, and the report to the water system, for testing companies in Michigan.
Michigan water systems
Michigan has 1,275 active community water systems. Each test report goes to the one that serves the address. The largest:
- City of Detroit633,218 people served
- Grand Rapids306,901 people served
- Kalamazoo192,992 people served
- Lansing Board of Water & Light166,000 people served
- City of Warren,134,056 people served
- City of Sterling Heights,127,000 people served
- Ann Arbor123,851 people served
- Dearborn109,976 people served
- Clinton Township100,513 people served
- Canton Township99,627 people served
Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.
Testing companies in Michigan
34 companies on the tester lists of 1 water system. The first 25:
- A and R Plumbing LLC
- Accutest of West MI
- Affordable Backflow Testing
- All-Flo Plumbing LLC
- Andres Etchen Plumbers Service Inc
- Anything Plumbing Anytime LLC
- Armock Mechanical
- Campbells Plumbing & Mechanical
- Carey Plumbing & Heating
- Clearwater Pool & Spa
- Den Ketelaar Plumbing
- Duff Plumbs
- Flashpoint Fire Protection
- Ford Plumbing & Mechanical
- FSS Technolgies
- Gilchrist Mechanical
- Godwin Plumbing
- JE Johnson Inc
- MI Mechanical Ventures LLC
- Mountaineer Plumbing
- Open Arms LLC
- Orchard Hill Mechanical
- Ottagan Plumbing
- Ottagon Plumbing
- Power Process Piping Inc
From Certified Backflow Tester Search (MPMCA). Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.
Cities
- Detroit →645,705 people
- Grand Rapids →200,117 people
- Warren →137,686 people
- Sterling Heights →134,342 people
- Ann Arbor →122,925 people
- Lansing →114,336 people
- Dearborn →106,377 people
Testing in Michigan
Who may test is set by the state, the water system, or both. Ask the water system you will test for which certifications it accepts before your first test.
The software
- Bookings from a booking page, your own website, and an AI receptionist on your phone.
- Schedule board and route for each tester.
- Field app that scores every test, even with no signal.
- Test reports sent to the water system that serves each address.
- Card payments to your own Stripe account, and yearly renewals that charge after the test.
- Client portal for HOAs, property managers and contractors.
- $50/month flat: no per-test fee, no cut of payments.
- Every feature →What the app does, part by part.
- Compare →Next to other backflow and field-service software.
- Start free →No card. $50/month or $500/year once you go live, 45 days free.
- Free exam prep →Study questions, practice exams, device tests, a VR wet lab.