Backflow Base / Every state / Colorado
Backflow testing software for Colorado.
Booking, scheduling, the field test, and the report to the water system, for testing companies in Colorado.
Colorado water systems
Colorado has 1,015 active community water systems. Each test report goes to the one that serves the address. The largest:
- Denver Water Board1,287,000 people served
- City of Aurora533,407 people served
- Colorado Springs Utilities464,111 people served
- City of Thornton226,465 people served
- City of Westminster202,078 people served
- City of Ft Collins179,901 people served
- City of Arvada171,610 people served
- City of Boulder166,080 people served
- City of Greeley132,310 people served
- Pueblo Board of Ww114,070 people served
Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.
Testing companies in Colorado
78 companies on the tester lists of 1 water system. The first 25:
- #1 Backflow Pros
- A Green Image
- A1 Backflow Testing Llc
- Aj's Legacy Backflow Testing Llc
- All About Backflow
- All Purpose Landscaping
- Allright Plumbing And Heating
- Alson Mechanical
- American Mechanical Services
- Andrew's Backflow Testing, Llc
- Andrews Bros Plumbing Inc.
- Arapahoe Fire
- B Peterson
- Backflow Consulting Testing & Repair
- Backflow Diagnostics, Inc.
- Backflow Services
- Backflow Testers LLC
- Baird & Sons Plumbing, Inc.
- Bermont Brickell
- Bills Plumbing And Drain Service
- Blaze Fire Safety Llc
- Braconier Plumbing And Heating Co
- Brightview Landscaping
- Brooks Plumbing And Heating, Inc.
- Bullseye Plumbing Heating & Air
From Colorado Springs Utilities. Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.
Cities
- Denver →729,019 people
- Colorado Springs →493,554 people
- Aurora →403,130 people
- Fort Collins →170,924 people
- Lakewood →156,868 people
- Thornton →146,689 people
- Arvada →121,873 people
- Westminster →115,302 people
- Greeley →114,363 people
- Pueblo →111,166 people
- Centennial →108,853 people
- Boulder →106,803 people
Testing in Colorado
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.