Backflow Base / Every state / Indiana
Backflow testing software for Indiana.
Booking, scheduling, the field test, and the report to the water system, for testing companies in Indiana.
Indiana water systems
Indiana has 706 active community water systems. Each test report goes to the one that serves the address. The largest:
- Citizens Water - Indianapolis880,345 people served
- Fort Wayne - 3 Rivers Filtration Plant269,994 people served
- Indiana American Water - Northwest210,510 people served
- South Bend Water Works115,000 people served
- Indiana American Water - S. Indiana104,445 people served
- Carmel Water Department99,927 people served
- Indiana American Water - Johnson County86,813 people served
- City of Bloomington Utilities83,000 people served
- Hammond Water Works Department78,384 people served
- Indiana American Water - Muncie74,030 people served
Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.
Testing companies in Indiana
425 companies on the tester lists of 1 water system. The first 25:
- (Employer) Benchmark Mechanical
- 10459 North
- 119 E Washington St Morgantown IN
- 1409 Jefferson Ave
- 3005 Ferguson RD
- 317 Outdoor Living
- 4 Tier Fire
- 451 Winston Ct Suite A Schererville In
- 6161 English Ave
- 8504 SR
- 941 S Meridian Rd
- A Plus Irrigation, Inc
- A. Hatersley & Sons
- A. Swaffords Backflow Service
- AAA Lawn Irrigation Inc
- Ace Fire Protection
- Acme Backflow Services Richard N Marinoff
- ACME Backflow Services serving Indiana/Kentucky
- Action Plumbing, Inc
- Affordable Backflow Company - ABC
- Aircon Engineering
- All Fire Solutions
- All-Pro Plumbing
- Allegiant Fire Protection
- Allied Mechanical, Inc
From Actively Certified Backflow Device Testers in All Indiana Counties (IDEM) (dated August 25, 2026). Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.
Cities
- Indianapolis →891,484 people
- Fort Wayne →273,203 people
- Evansville →115,395 people
- Fishers →103,986 people
- South Bend →103,713 people
- Carmel →103,606 people
Testing in Indiana
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.