Backflow Base / Every state / South Dakota
Backflow testing software for South Dakota.
Booking, scheduling, the field test, and the report to the water system, for testing companies in South Dakota.
South Dakota water systems
South Dakota has 460 active community water systems. Each test report goes to the one that serves the address. The largest:
- Sioux Falls216,462 people served
- Rapid City72,009 people served
- Aberdeen27,989 people served
- Brookings Municipal Utilities23,377 people served
- Watertown Municipal Utilities23,230 people served
- Web Water Development Association20,750 people served
- Mitchell15,651 people served
- Yankton15,411 people served
- Huron14,263 people served
- Pierre14,091 people served
Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.
Testing companies in South Dakota
14 companies on the tester lists of 1 water system:
- Building Sprinkler, Inc.
- GM Mechanical
- Hander Plumbing & Heating
- Howe, Inc.
- Krier & Blain
- Krohmer Plumbing
- Midwestern Mechanical
- Payton Plumbing
- Prairie Sons
- Service First Fire Sprinkler
- Standard Sprinkler
- The Fire Group
- Total Fire Protection
- Xtreme Fire
From City of Sioux Falls. Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.
Cities
- Sioux Falls →209,289 people
- Rapid City →79,894 people
- Aberdeen →27,919 people
Testing in South Dakota
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.