Backflow Base / Every state / Montana
Backflow testing software for Montana.
Booking, scheduling, the field test, and the report to the water system, for testing companies in Montana.
Montana water systems
Montana has 764 active community water systems. Each test report goes to the one that serves the address. The largest:
- City of Billings114,000 people served
- Missoula Water68,200 people served
- City of Great Falls60,000 people served
- City of Bozeman56,000 people served
- Butte Silverbow Water Dept33,000 people served
- Helena Water System32,091 people served
- Kalispell Public Works25,000 people served
- Billings Heights Co Water District of12,000 people served
- City of Belgrade10,460 people served
- City of Whitefish10,418 people served
Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.
Testing companies in Montana
38 companies on the tester lists of 2 water systems, the most-listed first. The first 25:
- Summit Fire & Securitylisted by 2 systems
- Western States Fire Protectionlisted by 2 systems
- AAA Plumbing & Heatinglisted by 1 system
- Air Controls Plumbinglisted by 1 system
- Allied Plumbinglisted by 1 system
- Altitude Flow Dynamicslisted by 1 system
- Apex Plumbing & Heatinglisted by 1 system
- Ashby Fire Pro, Inc.listed by 1 system
- Big Mountain Plumbing LLClisted by 1 system
- Big Sky Backflow Services, LLClisted by 1 system
- Billings Pipe Trades JATC (Local 30)listed by 1 system
- D2 Fire Sprinkler Co., LLClisted by 1 system
- Dirtman Sprinkler Co., LLClisted by 1 system
- Dutton Plumbing and Heatinglisted by 1 system
- G&T Plumbinglisted by 1 system
- Garden City Plumbing & Heatinglisted by 1 system
- Hertz Plumbinglisted by 1 system
- Hiller Firelisted by 1 system
- Hometown Mechanicallisted by 1 system
- JJ Mechanicallisted by 1 system
- Johnson Controls Fire Protectionlisted by 1 system
- KMR Water Tech (Kohler)listed by 1 system
- Mickelson Plumbing & Heatinglisted by 1 system
- Monaco Plumbing Colisted by 1 system
- Montana Plumbing Co.listed by 1 system
From City of Billings, Missoula Water. Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.
Cities
- Billings →121,483 people
- Missoula →78,204 people
- Great Falls →60,013 people
Testing in Montana
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.