Backflow Base / Every state / Missouri
Backflow testing software for Missouri.
Booking, scheduling, the field test, and the report to the water system, for testing companies in Missouri.
Missouri water systems
Missouri has 1,406 active community water systems. Each test report goes to the one that serves the address. The largest:
- Mo American St Louis St Charles Counties1,111,000 people served
- Kansas City Pws553,295 people served
- St Louis City Pws304,709 people served
- City Utilities of Springfield210,898 people served
- City of Columbia Utilities126,254 people served
- Independence Pws120,000 people served
- St Charles County Pwsd 2100,587 people served
- Lees Summit Pws99,400 people served
- Mo American St Joseph89,171 people served
- St Charles Pws78,961 people served
Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.
Testing companies in Missouri
1,072 companies on the tester lists of 2 water systems, the most-listed first. The first 25:
- 360 Fire Protectionlisted by 2 systems
- Alpha Outdoorslisted by 2 systems
- American Turflisted by 2 systems
- Beyer Safe Waterlisted by 2 systems
- Botanico of the Ozarkslisted by 2 systems
- C&C Grouplisted by 2 systems
- Cintas Fire Protectionlisted by 2 systems
- CM Lawn LLClisted by 2 systems
- CR Designs LLClisted by 2 systems
- DNS Equipment LLClisted by 2 systems
- Farr Better Plumbinglisted by 2 systems
- Gabris Landscapinglisted by 2 systems
- Gold Mechanicallisted by 2 systems
- Hewitt Water Systemslisted by 2 systems
- Johnson Controlslisted by 2 systems
- KLM Irrigationlisted by 2 systems
- Living Waters Irrigationlisted by 2 systems
- Lorenz Plumbinglisted by 2 systems
- Mainline Fire Protectionlisted by 2 systems
- Marmic Fire & Safetylisted by 2 systems
- Maze Techlisted by 2 systems
- Multi-Craft Contractorslisted by 2 systems
- Nature's Rainlisted by 2 systems
- Premier Landscapes, LLClisted by 2 systems
- Quality Irrigationlisted by 2 systems
From Certified Backflow Prevention Assembly Testers (Missouri DNR, BackflowTesters dataset) (dated August 11, 2026), City Utilities of Springfield. Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.
Cities
- Kansas City →516,032 people
- St. Louis →279,695 people
- Springfield →170,596 people
- Columbia →130,900 people
- Independence →121,629 people
Testing in Missouri
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.