BACKFLOW BASE

Backflow Base / Every state / Ohio

Backflow testing software for Ohio.

Booking, scheduling, the field test, and the report to the water system, for testing companies in Ohio.

Ohio water systems

Ohio has 1,059 active community water systems. Each test report goes to the one that serves the address. The largest:

Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.

Testing companies in Ohio

149 companies on the tester lists of 1 water system. The first 25:

From Columbus Division of Water (dated October 16, 2026). Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.

Cities

Testing in Ohio

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.

Tester certification in Ohio →

The software

Contact

hello@backflowbase.com