Backflow Base / Every state / South Carolina / Charleston
Backflow testing software for Charleston, South Carolina.
For testing companies working Charleston's 157,665 people: booking, routes, the field test, and the report to the water system.
Water systems based in Charleston
- Charleston Water System278,771 people served
Households near Charleston may be served by another system; Backflow Base matches each address to its own. All 527 in South Carolina →
Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.
Testing companies in Charleston
165 companies on the tester lists of 1 water system. The first 25:
- 1 CALL BACKFLOW
- 1ST DUE BACKFLOW
- 1ST IN BACKFLOW SERVICE
- 5V TESTING & SERVICES
- A- ALLINBACKFLOWS
- A-1 BACKFLOW SPECIALTIES
- A.M. JACOBS INC
- A+ BACKFLOW TESTING
- AAA CAROLINAS
- ABBAPOOLA LANDSCAPING
- ABLES LANDSCAPES
- ABSOLUTE PLUMBING & BOILER
- ADAPTIVE SERVICES
- AFFORDABLE BACKFLOW SERVICES
- AFFORDABLE JO’S
- AFFORDABLE PLUMBING & BACKFLOWS
- AKINJOBI'S BACKFLOW TESTING
- ALL ABOUT IRRIGATION
- ALL FIRE SERVICES
- ANDERSON PLUMBING & INDUSTRIAL
- ANN'S BACKFLOW TESTING
- AQUA DOC IRRIGATION
- AQUA FLOW SC LLC
- ARMOR FIRE SERVICES
- ARTIGUES LANDSCAPING GROUP
From Charleston Water System (dated July 31, 2026). Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.
Other South Carolina cities
- Columbia →144,788 people
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.